#!/usr/bin/env python
#
-# Copyright (C) 2002-2003 Cluster File Systems, Inc.
-# Authors: Robert Read <rread@clusterfs.com>
-# Mike Shaver <shaver@clusterfs.com>
-# This file is part of Lustre, http://www.lustre.org.
+# GPL HEADER START
#
-# Lustre is free software; you can redistribute it and/or
-# modify it under the terms of version 2 of the GNU General Public
-# License as published by the Free Software Foundation.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
-# Lustre is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 only,
+# as published by the Free Software Foundation.
#
-# You should have received a copy of the GNU General Public License
-# along with Lustre; if not, write to the Free Software
-# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License version 2 for more details (a copy is included
+# in the LICENSE file that accompanied this code).
+#
+# You should have received a copy of the GNU General Public License
+# version 2 along with this program; If not, see
+# http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+# copy of GPLv2].
+#
+# Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+# CA 95054 USA or visit www.sun.com if you need additional information or
+# have any questions.
+#
+# GPL HEADER END
+#
+
+#
+# Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# This file is part of Lustre, http://www.lustre.org/
+# Lustre is a trademark of Sun Microsystems, Inc.
+#
+# Author: Robert Read <rread@clusterfs.com>
+# Author: Mike Shaver <shaver@clusterfs.com>
#
# lconf - lustre configuration tool
#
# lconf is the main driver script for starting and stopping
# lustre filesystem services.
#
-# Based in part on the XML obdctl modifications done by Brian Behlendorf
+# Based in part on the XML obdctl modifications done by Brian Behlendorf
-import sys, getopt, types
+import sys, getopt, types, errno
import string, os, stat, popen2, socket, time, random, fcntl, select
import re, exceptions, signal, traceback
import xml.dom.minidom
else:
from fcntl import F_GETFL, F_SETFL
-PYMOD_DIR = "/usr/lib/lustre/python"
+PYMOD_DIR = ["/usr/lib64/lustre/python", "/usr/lib/lustre/python"]
+PLATFORM = ''
+KEXTPATH = ''
+if string.find(sys.platform, 'linux') != -1:
+ PLATFORM='LINUX'
+elif string.find(sys.platform, 'darwin') != -1:
+ PLATFORM='DARWIN'
+ KEXTPATH='/System/Library/Extensions/'
+else:
+ PLATFORM='Unsupported'
def development_mode():
base = os.path.dirname(sys.argv[0])
- if os.access(base+"/Makefile.am", os.R_OK):
+ if os.access(base+"/Makefile", os.R_OK):
return 1
return 0
-if not development_mode():
- sys.path.append(PYMOD_DIR)
+if development_mode():
+ sys.path.append('../utils')
+else:
+ sys.path.extend(PYMOD_DIR)
import Lustre
# Global parameters
-MAXTCPBUF = 1048576
-DEFAULT_TCPBUF = 1048576
+MAXTCPBUF = 16777216
#
# Maximum number of devices to search for.
# (the /dev/loop* nodes need to be created beforehand)
MAX_LOOP_DEVICES = 256
-PORTALS_DIR = 'portals'
+PORTALS_DIR = '../lnet'
+# Needed to call lconf --record
+CONFIG_FILE = ""
-# Please keep these in sync with the values in portals/kp30.h
-ptldebug_names = {
+# Please keep these in sync with the values in lnet/include/libcfs/libcfs.h
+ptldebug_names = {
"trace" : (1 << 0),
"inode" : (1 << 1),
"super" : (1 << 2),
"buffs" : (1 << 11),
"other" : (1 << 12),
"dentry" : (1 << 13),
- "portals" : (1 << 14),
+ "portals" : (1 << 14), # deprecated
+ "lnet" : (1 << 14),
"page" : (1 << 15),
"dlmtrace" : (1 << 16),
"error" : (1 << 17),
"ha" : (1 << 19),
"rpctrace" : (1 << 20),
"vfstrace" : (1 << 21),
+ "reada" : (1 << 22),
+ "mmap" : (1 << 23),
+ "config" : (1 << 24),
+ "console" : (1 << 25),
+ "quota" : (1 << 26),
+ "sec" : (1 << 27),
}
subsystem_names = {
- "undefined" : (0 << 24),
- "mdc" : (1 << 24),
- "mds" : (2 << 24),
- "osc" : (3 << 24),
- "ost" : (4 << 24),
- "class" : (5 << 24),
- "obdfs" : (6 << 24),
- "llite" : (7 << 24),
- "rpc" : (8 << 24),
- "ext2obd" : (9 << 24),
- "portals" : (10 << 24),
- "socknal" : (11 << 24),
- "qswnal" : (12 << 24),
- "pinger" : (13 << 24),
- "filter" : (14 << 24),
- "trace" : (15 << 24),
- "echo" : (16 << 24),
- "ldlm" : (17 << 24),
- "lov" : (18 << 24),
- "gmnal" : (19 << 24),
- "ptlrouter" : (20 << 24),
- "cobd" : (21 << 24),
- "ptlbd" : (22 << 24),
- "log" : (23 << 24),
- "mgmt" : (24 << 24),
+ "undefined" : (1 << 0),
+ "mdc" : (1 << 1),
+ "mds" : (1 << 2),
+ "osc" : (1 << 3),
+ "ost" : (1 << 4),
+ "class" : (1 << 5),
+ "log" : (1 << 6),
+ "llite" : (1 << 7),
+ "rpc" : (1 << 8),
+ "lnet" : (1 << 10),
+ "portals" : (1 << 10), # deprecated
+ "lnd" : (1 << 11),
+ "nal" : (1 << 11), # deprecated
+ "pinger" : (1 << 12),
+ "filter" : (1 << 13),
+ "ptlbd" : (1 << 14), # deprecated
+ "echo" : (1 << 15),
+ "ldlm" : (1 << 16),
+ "lov" : (1 << 17),
+ "ptlrouter" : (1 << 18), # deprecated
+ "cobd" : (1 << 19),
+ "sm" : (1 << 20),
+ "asobd" : (1 << 21),
+ "confobd" : (1 << 22), # deprecated
+ "lmv" : (1 << 23),
+ "cmobd" : (1 << 24),
+ "sec" : (1 << 25),
+ "sec" : (1 << 26),
+ "gss" : (1 << 27),
+ "gks" : (1 << 28),
+ "mgc" : (1 << 29),
+ "mgs" : (1 << 30),
}
if not first_cleanup_error:
first_cleanup_error = rc
-# ============================================================
+# ============================================================
# debugging and error funcs
def fixme(msg = "this feature"):
- raise Lustre.LconfError, msg + ' not implmemented yet.'
+ raise Lustre.LconfError, msg + ' not implemented yet.'
def panic(*args):
msg = string.join(map(str,args))
print string.strip(s)
def debug(*args):
+ # apparently, (non)execution of the following line affects mds device
+ # startup order (e.g. two mds's using loopback devices), so always do it.
+ msg = string.join(map(str,args))
if config.verbose:
- msg = string.join(map(str,args))
print msg
# ack, python's builtin int() does not support '0x123' syntax.
# eval can do it, although what a hack!
def my_int(s):
+ import types
+ if type(s) is types.IntType:
+ return s
try:
- if s[0:2] == '0x':
+ if (s[0:2] == '0x') or (s[0:1] == '0'):
return eval(s, {}, {})
else:
return int(s)
except SyntaxError, e:
raise ValueError("not a number")
+ except TypeError, e:
+ raise ValueError("not a number")
except NameError, e:
raise ValueError("not a number")
else:
print self.cmd_err
-
-# ============================================================
-# handle daemons, like the acceptor
-class DaemonHandler:
- """ Manage starting and stopping a daemon. Assumes daemon manages
- it's own pid file. """
-
- def __init__(self, cmd):
- self.command = cmd
- self.path =""
-
- def start(self):
- if self.running():
- log(self.command, "already running.")
- if not self.path:
- self.path = find_prog(self.command)
- if not self.path:
- panic(self.command, "not found.")
- ret, out = runcmd(self.path +' '+ self.command_line())
- if ret:
- raise CommandError(self.path, out, ret)
-
- def stop(self):
- if self.running():
- pid = self.read_pidfile()
- try:
- log ("killing process", pid)
- os.kill(pid, 15)
- #time.sleep(1) # let daemon die
- except OSError, e:
- log("unable to kill", self.command, e)
- if self.running():
- log("unable to kill", self.command)
-
- def running(self):
- pid = self.read_pidfile()
- if pid:
- try:
- os.kill(pid, 0)
- except OSError:
- self.clean_pidfile()
- else:
- return 1
- return 0
-
- def read_pidfile(self):
- try:
- fp = open(self.pidfile(), 'r')
- pid = int(fp.read())
- fp.close()
- return pid
- except IOError:
- return 0
-
- def clean_pidfile(self):
- """ Remove a stale pidfile """
- log("removing stale pidfile:", self.pidfile())
- try:
- os.unlink(self.pidfile())
- except OSError, e:
- log(self.pidfile(), e)
-
-class AcceptorHandler(DaemonHandler):
- def __init__(self, port, net_type, send_mem, recv_mem, irq_aff, nid_xchg):
- DaemonHandler.__init__(self, "acceptor")
- self.port = port
- self.flags = ''
- self.send_mem = send_mem
- self.recv_mem = recv_mem
-
- if net_type == 'toe':
- self.flags = self.flags + ' -N 4'
- if irq_aff:
- self.flags = self.flags + ' -i'
- if nid_xchg:
- self.flags = self.flags + ' -x'
-
- def pidfile(self):
- return "/var/run/%s-%d.pid" % (self.command, self.port)
-
- def command_line(self):
- return string.join(map(str,('-s', self.send_mem, '-r', self.recv_mem, self.flags, self.port)))
-
-acceptors = {}
-
-# start the acceptors
-def run_acceptors():
- for port in acceptors.keys():
- daemon = acceptors[port]
- if not daemon.running():
- daemon.start()
-
-def run_one_acceptor(port):
- if acceptors.has_key(port):
- daemon = acceptors[port]
- if not daemon.running():
- daemon.start()
- else:
- panic("run_one_acceptor: No acceptor defined for port:", port)
-
-def stop_acceptor(port):
- if acceptors.has_key(port):
- daemon = acceptors[port]
- if daemon.running():
- daemon.stop()
-
-
# ============================================================
# handle lctl interface
class LCTLInterface:
"""
self.lctl = find_prog(cmd)
self.save_file = ''
+ self.record_device = ''
if not self.lctl:
if config.noexec:
debug('! lctl not found')
def use_save_file(self, file):
self.save_file = file
-
+
+ def record(self, dev_name, logname):
+ log("Recording log", logname, "on", dev_name)
+ self.record_device = dev_name
+ self.record_log = logname
+
+ def end_record(self):
+ log("End recording log", self.record_log, "on", self.record_device)
+ self.record_device = None
+ self.record_log = None
+
def set_nonblock(self, fd):
fl = fcntl.fcntl(fd, F_GETFL)
fcntl.fcntl(fd, F_SETFL, fl | os.O_NDELAY)
"""
cmd_line = self.lctl
if self.save_file:
- cmds = '\n dump ' + self.save_file + cmds
+ cmds = '\n dump ' + self.save_file + '\n' + cmds
+ elif self.record_device:
+ cmds = """
+ device $%s
+ record %s
+ %s""" % (self.record_device, self.record_log, cmds)
debug("+", cmd_line, cmds)
if config.noexec: return (0, [])
child = popen2.Popen3(cmd_line, 1) # Capture stdout and stderr from command
- child.tochild.write(cmds + "\n")
+ child.tochild.write(cmds + "\nq\n")
child.tochild.close()
# From "Python Cookbook" from O'Reilly
raise CommandError(self.lctl, out, rc)
return rc, out
-
- def network(self, net, nid):
- """ initialized network and add "self" """
+ def unconfigure_network(self):
+ """get lnet to unreference itself"""
+ cmds = """
+ network unconfigure"""
+ self.run(cmds)
+
+ def clear_log(self, dev, log):
+ """ clear an existing log """
cmds = """
- network %s
- mynid %s
- quit """ % (net, nid)
+ device $%s
+ probe
+ clear_log %s
+ quit """ % (dev, log)
self.run(cmds)
# create a new connection
- def connect(self, srv):
- cmds = "\n add_uuid %s %s %s" % (srv.uuid, srv.nid, srv.net_type)
- if srv.net_type in ('tcp', 'toe') and not config.lctl_dump:
- flags = 's'
- if srv.irq_affinity:
- flags = flags + 'i'
- if srv.nid_exchange:
- flags = flags + 'x'
- cmds = """%s
- network %s
- send_mem %d
- recv_mem %d
- add_autoconn %s %s %d %s""" % (cmds, srv.net_type,
- srv.send_mem,
- srv.recv_mem,
- srv.nid, srv.hostaddr, srv.port, flags )
-
- cmds = cmds + "\n quit"
+ def add_uuid(self, net_type, uuid, nid):
+ if net_type != 'lnet' and string.find(nid,'@') < 0:
+ nidstr = nid + "@" + net_type
+ else:
+ nidstr = nid
+ cmds = "\n add_uuid %s %s" %(uuid, nidstr)
self.run(cmds)
+ def connect(self, srv):
+ if not srv.nid_uuid:
+ panic('nid_uuid not set for ', srv.net_type, srv.nid)
+ hostaddr = srv.db.get_hostaddr()
+ if len(hostaddr) > 1:
+ panic('multiple --hostaddr for ', srv.nid_uuid, ' not supported')
+ elif len(hostaddr) == 1 and hostaddr[0] != srv.nid:
+ panic('different --hostaddr and --nid for ', srv.nid_uuid, ' not supported')
+ else:
+ self.add_uuid(srv.net_type, srv.nid_uuid, srv.nid)
+
# Recover a device
def recover(self, dev_name, new_conn):
cmds = """
device $%s
- probe
recover %s""" %(dev_name, new_conn)
self.run(cmds)
-
- # add a route to a range
- def add_route(self, net, gw, lo, hi):
- cmds = """
- network %s
- add_route %s %s %s
- quit """ % (net,
- gw, lo, hi)
- try:
- self.run(cmds)
- except CommandError, e:
- log ("ignore: ")
- e.dump()
-
- def del_route(self, net, gw, lo, hi):
- cmds = """
- ignore_errors
- network %s
- del_route %s %s %s
- quit """ % (net, gw, lo, hi)
- self.run(cmds)
- # add a route to a host
- def add_route_host(self, net, uuid, gw, tgt):
- cmds = """
- network %s
- add_uuid %s %s %s
- add_route %s %s
- quit """ % (net,
- uuid, tgt, net,
- gw, tgt)
- try:
- self.run(cmds)
- except CommandError, e:
- log ("ignore: ")
- e.dump()
+ # disconnect one connection
+ def disconnect(self, srv):
+ if not srv.nid_uuid:
+ panic('nid_uuid not set for ', srv.net_type, srv.nid)
+ self.del_uuid(srv.nid_uuid)
- # add a route to a range
- def del_route_host(self, net, uuid, gw, tgt):
+ def del_uuid(self, uuid):
cmds = """
ignore_errors
- network %s
del_uuid %s
- del_route %s %s
- quit """ % (net, uuid, gw, tgt)
+ quit""" % (uuid,)
self.run(cmds)
- # disconnect one connection
- def disconnect(self, srv):
- cmds = " ignore_errors\n del_uuid %s" % (srv.uuid)
- if srv.net_type in ('tcp', 'toe') and not config.lctl_dump:
- cmds = """%s
- network %s
- del_autoconn %s %s s""" % (cmds,
- srv.net_type,
- srv.nid, srv.hostaddr)
- cmds = cmds + "\n quit"
-
+ def attach(self, type, name, uuid):
+ cmds = """
+ attach %s %s %s
+ quit""" % (type, name, uuid)
self.run(cmds)
- def del_uuid(self, servuuid):
- cmds = """
- ignore_errors
- del_uuid %s
- quit""" % (servuuid,)
+ def setup(self, name, setup = ""):
+ cmds = """
+ cfg_device %s
+ setup %s
+ quit""" % (name, setup)
self.run(cmds)
- # disconnect all
- def disconnectAll(self, net):
- cmds = """
+ def abort_recovery(self, name):
+ cmds = """
ignore_errors
- network %s
- disconnect
- quit""" % (net)
+ device $%s
+ abort_recovery
+ quit""" % (name)
self.run(cmds)
- # create a new device with lctl
- def newdev(self, attach, setup = ""):
+ def add_conn(self, name, conn_uuid):
cmds = """
- newdev
- attach %s
- setup %s
- quit""" % (attach, setup)
+ cfg_device %s
+ add_conn %s
+ quit""" % (name, conn_uuid)
self.run(cmds)
+ # create a new device with lctl
+ def newdev(self, type, name, uuid, setup = ""):
+ self.attach(type, name, uuid);
+ try:
+ self.setup(name, setup)
+ except CommandError, e:
+ self.cleanup(name, uuid, 0)
+ raise e
+ if (config.abort_recovery):
+ if (type == 'obdfilter' or type == 'mds'):
+ self.abort_recovery(name)
+
# cleanup a device
def cleanup(self, name, uuid, force, failover = 0):
if failover: force = 1
cmds = """
ignore_errors
- device $%s
+ cfg_device $%s
cleanup %s %s
detach
quit""" % (name, ('', 'force')[force],
self.run(cmds)
# create an lov
- def lov_setconfig(self, uuid, mdsuuid, stripe_cnt, stripe_sz, stripe_off,
- pattern, devlist):
+ def lov_setup(self, name, uuid, desc_uuid, mdsuuid, stripe_cnt,
+ stripe_sz, stripe_off, pattern):
cmds = """
- device $%s
- probe
- lov_setconfig %s %d %d %d %s %s
- quit""" % (mdsuuid, uuid, stripe_cnt, stripe_sz, stripe_off, pattern, devlist)
+ attach lov %s %s
+ lov_setup %s %d %d %d %s
+ quit""" % (name, uuid, desc_uuid, stripe_cnt, stripe_sz, stripe_off, pattern)
+ self.run(cmds)
+
+ # add an OBD to a LOV
+ def lov_add_obd(self, name, uuid, obd_uuid, index, gen):
+ cmds = """
+ cfg_device %s
+ lov_modify_tgts add %s %s %s %s
+ quit""" % (name, name, obd_uuid, index, gen)
+ self.run(cmds)
+
+ # delete an OBD from a LOV
+ def lov_del_obd(self, name, uuid, obd_uuid, index, gen):
+ cmds = """
+ cfg_device %s
+ lov_modify_tgts del %s %s %s %s
+ quit""" % (name, name, obd_uuid, index, gen)
+ self.run(cmds)
+
+ # deactivate an OBD
+ def deactivate(self, name):
+ cmds = """
+ cfg_device %s
+ deactivate
+ quit""" % (name)
self.run(cmds)
# dump the log file
# get list of devices
def device_list(self):
- try:
- rc, out = self.runcmd('device_list')
- except CommandError, e:
- if config.cleanup:
- out = []
- else:
- raise e
- return out
+ ret = []
+ if PLATFORM == 'LINUX':
+ devices = '/proc/fs/lustre/devices'
+ if os.access(devices, os.R_OK):
+ try:
+ fp = open(devices, 'r')
+ ret = fp.readlines()
+ fp.close()
+ except IOError, e:
+ log(e)
+ elif PLATFORM == 'DARWIN':
+ rc, out = self.run("device_list")
+ ret = out.split("\n")
+ if len(ret) == 0:
+ return ret
+ tail = ret[-1]
+ if not tail:
+ # remove the last empty line
+ ret = ret[:-1]
+ return ret
# get lustre version
def lustre_version(self):
return out
# dump mount options
- def mount_option(self, option):
+ def mount_option(self, profile, osc, mdc):
+ cmds = """
+ mount_option %s %s %s
+ quit""" % (profile, osc, mdc)
+ self.run(cmds)
+
+ # delete mount options
+ def del_mount_option(self, profile):
cmds = """
- mount_option %s
- quit""" % (option)
+ del_mount_option %s
+ quit""" % (profile,)
+ self.run(cmds)
+
+ def set_timeout(self, timeout):
+ cmds = """
+ set_timeout %s
+ quit""" % (timeout,)
+ self.run(cmds)
+
+ # set lustre upcall
+ def set_lustre_upcall(self, upcall):
+ cmds = """
+ set_lustre_upcall %s
+ quit""" % (upcall,)
self.run(cmds)
# ============================================================
# Various system-level functions
return module
def find_module(src_dir, dev_dir, modname):
- mod = '%s.o' % (modname)
- module = src_dir +'/'+ dev_dir +'/'+ mod
- try:
- if os.access(module, os.R_OK):
- return module
- except OSError:
- pass
+ modbase = src_dir +'/'+ dev_dir +'/'+ modname
+ for modext in '.ko', '.o':
+ module = modbase + modext
+ try:
+ if os.access(module, os.R_OK):
+ return module
+ except OSError:
+ pass
return None
# is the path a block device?
return 0
return stat.S_ISBLK(s[stat.ST_MODE])
+def my_realpath(path):
+ try:
+ if os.path.islink(path):
+ # get the realpath of the mount point path
+ if 'realpath' in dir(os.path):
+ real_path = os.path.realpath(path)
+ else:
+ real_path = path
+ link_count = 0
+ while os.path.islink(real_path) and (link_count < 20):
+ link_count = link_count + 1
+ path_link = os.readlink(real_path)
+ if os.path.isabs(path_link):
+ real_path = path_link
+ else:
+ real_path = os.path.join(os.path.dirname(real_path), path_link)
+ if link_count > 19:
+ panic("Encountered too many symbolic links resolving path:", path)
+ else:
+ real_path = path
+
+ return real_path
+ except:
+ panic("Fatal error realpath()ing path:", path)
+
+
# build fs according to type
# fixme: dangerous
-def mkfs(dev, devsize, fstype,jsize):
+def mkfs(dev, devsize, fstype, jsize, isize, mkfsoptions, isblock=1):
block_cnt = ''
jopt = ''
+ iopt = ''
if devsize:
if devsize < 8000:
panic("size of filesystem on '%s' must be larger than 8MB, but is set to %s"%
# devsize is in 1k, and fs block count is in 4k
block_cnt = devsize/4
- if fstype in ('ext3', 'extN'):
+ if fstype in ('ext3', 'ldiskfs'):
# ext3 journal size is in megabytes
+ if jsize == 0:
+ if devsize == 0:
+ if not is_block(dev):
+ ret, out = runcmd("ls -l %s" %dev)
+ devsize = int(string.split(out[0])[4]) / 1024
+ else:
+ # sfdisk works for symlink, hardlink, and realdev
+ ret, out = runcmd("sfdisk -s %s" %dev)
+ if not ret:
+ devsize = int(out[0])
+ else:
+ # sfdisk -s will fail for too large block device,
+ # then, read the size of partition from /proc/partitions
+
+ # get the realpath of the device
+ # it may be the real device, such as /dev/hda7
+ # or the hardlink created via mknod for a device
+ real_dev = my_realpath(dev)
+
+ # get the major and minor number of the realpath via ls
+ # it seems python(os.stat) does not return
+ # the st_rdev member of the stat structure
+ ret, out = runcmd("ls -l %s" %real_dev)
+ major = string.split(string.split(out[0])[4], ",")[0]
+ minor = string.split(out[0])[5]
+
+ # get the devsize from /proc/partitions with the major and minor number
+ ret, out = runcmd("cat /proc/partitions")
+ for line in out:
+ if len(line) > 1:
+ if string.split(line)[0] == major and string.split(line)[1] == minor:
+ devsize = int(string.split(line)[2])
+ break
+
+ if devsize > 1024 * 1024:
+ jsize = ((devsize / 102400) * 4)
+ if jsize > 400:
+ jsize = 400
if jsize: jopt = "-J size=%d" %(jsize,)
- mkfs = 'mkfs.ext2 -j -b 4096 -F '
+ if isize: iopt = "-I %d" %(isize,)
+ mkfs = 'mkfs.ext2 -j -b 4096 '
+ if not isblock or config.force:
+ mkfs = mkfs + ' -F '
elif fstype == 'reiserfs':
# reiserfs journal size is in blocks
if jsize: jopt = "--journal_size %d" %(jsize,)
mkfs = 'mkreiserfs -ff'
else:
- print 'unsupported fs type: ', fstype
+ panic('unsupported fs type: ', fstype)
- (ret, out) = run (mkfs, jopt, dev, block_cnt)
+ if config.mkfsoptions != None:
+ mkfs = mkfs + ' ' + config.mkfsoptions
+ if mkfsoptions != None:
+ mkfs = mkfs + ' ' + mkfsoptions
+ (ret, out) = run (mkfs, jopt, iopt, dev, block_cnt)
if ret:
panic("Unable to build fs:", dev, string.join(out))
# enable hash tree indexing on fsswe
- if fstype in ('ext3', 'extN'):
- htree = 'echo "feature FEATURE_C5" | debugfs -w'
+ if fstype in ('ext3', 'ldiskfs'):
+ htree = 'tune2fs -O dir_index'
(ret, out) = run (htree, dev)
if ret:
panic("Unable to enable htree:", dev)
if not os.access(loop + str(0), os.R_OK):
loop = loop + '/'
if not os.access(loop + str(0), os.R_OK):
- panic ("can't access loop devices")
+ loop='/dev/loop'
return loop
-
-# find loop device assigned to thefile
+
+# find loop device assigned to the file
def find_loop(file):
loop = loop_base()
for n in xrange(0, MAX_LOOP_DEVICES):
return ''
# create file if necessary and assign the first free loop device
-def init_loop(file, size, fstype, journal_size):
+def init_loop(file, size, fstype, journal_size, inode_size, mkfsoptions, reformat):
dev = find_loop(file)
if dev:
print 'WARNING file:', file, 'already mapped to', dev
return dev
- if config.reformat or not os.access(file, os.R_OK | os.W_OK):
+ if reformat or not os.access(file, os.R_OK | os.W_OK):
if size < 8000:
panic("size of loopback file '%s' must be larger than 8MB, but is set to %s" % (file,size))
(ret, out) = run("dd if=/dev/zero bs=1k count=0 seek=%d of=%s" %(size,
file))
if ret:
panic("Unable to create backing store:", file)
- mkfs(file, size, fstype, journal_size)
+ mkfs(file, size, fstype, journal_size, inode_size, mkfsoptions, isblock=0)
loop = loop_base()
# find next free loop
if os.access(dev, os.R_OK):
(stat, out) = run('losetup', dev)
if stat:
- run('losetup', dev, file)
+ (stat, out) = run('losetup', dev, file)
+ if stat:
+ panic("losetup failed: (%s) %s" % (stat, out[0].strip()))
return dev
else:
print "out of loop devices"
# determine if dev is formatted as a <fstype> filesystem
def need_format(fstype, dev):
- # FIXME don't know how to implement this
+ # FIXME don't know how to implement this
return 0
# initialize a block device if needed
-def block_dev(dev, size, fstype, format, journal_size):
+def block_dev(dev, size, fstype, reformat, autoformat, journal_size,
+ inode_size, mkfsoptions):
if config.noexec: return dev
if not is_block(dev):
- dev = init_loop(dev, size, fstype, journal_size)
- elif config.reformat or (need_format(fstype, dev) and format == 'yes'):
- mkfs(dev, size, fstype, journal_size)
-
+ dev = init_loop(dev, size, fstype, journal_size, inode_size,
+ mkfsoptions, reformat)
+ elif reformat or (need_format(fstype, dev) and autoformat == 'yes'):
+ mkfs(dev, size, fstype, journal_size, inode_size, mkfsoptions,
+ isblock=0)
# else:
# panic("device:", dev,
# "not prepared, and autoformat is not set.\n",
# "Rerun with --reformat option to format ALL filesystems")
-
return dev
def if2addr(iface):
ip = string.split(addr, ':')[1]
return ip
-def sys_get_local_nid(net_type, wildcard, cluster_id):
- """Return the local nid."""
- local = ""
- if os.access('/proc/elan/device0/position', os.R_OK):
- local = sys_get_local_address('elan', '*', cluster_id)
- else:
- local = sys_get_local_address(net_type, wildcard, cluster_id)
- return local
+def def_mount_options(fstype, target, blkdev):
+ """returns deafult mount options for passed fstype and target (mds, ost)"""
+ if fstype == 'ext3' or fstype == 'ldiskfs':
+ mountfsoptions = "errors=remount-ro"
+ if target == 'ost':
+ if sys_get_branch() == '2.4':
+ mountfsoptions = "%s,asyncdel" % (mountfsoptions)
+ #else:
+ # mountfsoptions = "%s,extents,mballoc" % (mountfsoptions)
+ elif target == 'mds':
+ if config.user_xattr:
+ mountfsoptions = "%s,user_xattr" % (mountfsoptions)
+ if config.acl:
+ mountfsoptions = "%s,acl" % (mountfsoptions)
+
+ if blkdev:
+ # grab superblock info
+ dumpe2fs="dumpe2fs -f -h"
+ (ret, sb) = run(dumpe2fs, blkdev)
+ if ret:
+ panic("unable to get superblock for ", blkdev)
+
+ # extract journal UUID
+ journal_UUID=''
+ journal_DEV=''
+ for line in sb:
+ lst = string.split(line, ":")
+ if lst[0] == 'Journal UUID':
+ if len(lst[1]) < 3:
+ panic("cannot retrieve journal UUID for ", blkdev)
+ if string.split(lst[1])[0] != '<none>':
+ journal_UUID = string.split(lst[1])[0]
+ debug(blkdev, 'has journal UUID', journal_UUID)
+ if lst[0] == 'Journal device':
+ if len(lst[1]) < 3:
+ panic("cannot retrieve journal device for ", blkdev)
+ if string.split(lst[1])[0] != '0x0000':
+ journal_DEV = string.split(lst[1])[0]
+ debug(blkdev, 'has journal device', journal_DEV)
+ break
+
+ if len(journal_UUID) == 0 or len(journal_DEV) == 0:
+ debug('no external journal found for', blkdev)
+ # use internal journal
+ return mountfsoptions
-def sys_get_local_address(net_type, wildcard, cluster_id):
- """Return the local address for the network type."""
- local = ""
- if net_type in ('tcp', 'toe'):
- if ':' in wildcard:
- iface, star = string.split(wildcard, ':')
- local = if2addr(iface)
- if not local:
- panic ("unable to determine ip for:", wildcard)
- else:
- host = socket.gethostname()
- local = socket.gethostbyname(host)
- elif net_type == 'elan':
- # awk '/NodeId/ { print $2 }' '/proc/elan/device0/position'
+ # run blkid, lookup highest-priority device with matching UUID
+ blkid = "blkid -o device -l -t UUID='%s'" % (journal_UUID)
+ (ret, devname) = run(blkid)
+ if ret or len(devname) == 0:
+ panic("cannot find external journal for ", blkdev)
+ debug('found', blkdev, 'journal UUID', journal_UUID, 'on',
+ string.replace(devname[0], '\n', ''))
+
+ try: # sigh, python 1.5 does not support os.stat().st_rdev
+ jdevpath = my_realpath(string.replace(devname[0], '\n', ''))
+ ret, out = runcmd("ls -l %s" %jdevpath)
+ debug('ls -l:', out)
+ major = int(string.split(string.split(out[0])[4], ',')[0])
+ minor = int(string.split(out[0])[5])
+ debug('major', major, 'minor', minor)
+ rdev = major << 8 | minor
+ except OSError:
+ panic("cannot stat ", devname[0])
+
+ debug('found', blkdev, 'journal UUID', journal_UUID, 'on',
+ jdevpath, 'rdev', rdev)
+
+ # add mount option
+ if string.atoi(journal_DEV, 0) != rdev:
+ mountfsoptions = "%s,journal_dev=%#x" % (mountfsoptions,rdev)
+
+ return mountfsoptions
+ return ""
+
+def sys_get_branch():
+ """Returns kernel release"""
+ return os.uname()[2][:3]
+
+def mod_loaded(modname):
+ """Check if a module is already loaded. Look in /proc/modules for it."""
+ if PLATFORM == 'LINUX':
try:
- fp = open('/proc/elan/device0/position', 'r')
+ fp = open('/proc/modules')
lines = fp.readlines()
fp.close()
- for l in lines:
- a = string.split(l)
- if a[0] == 'NodeId':
- elan_id = a[1]
- break
- try:
- nid = my_int(cluster_id) + my_int(elan_id)
- local = "%d" % (nid)
- except ValueError, e:
- local = elan_id
- except IOError, e:
- log(e)
- elif net_type == 'gm':
- fixme("automatic local address for GM")
- elif net_type == 'scimac':
- scinode="/opt/scali/sbin/scinode"
- if os.path.exists(scinode):
- (rc,local) = run(scinode)
+ # please forgive my tired fingers for this one
+ ret = filter(lambda word, mod=modname: word == mod,
+ map(lambda line: string.split(line)[0], lines))
+ return ret
+ except Exception, e:
+ return 0
+ elif PLATFORM == 'DARWIN':
+ ret, out = run('/usr/sbin/kextstat | /usr/bin/grep', modname)
+ if ret == 0:
+ return 1
else:
- panic (scinode, " not found on node with scimac networking")
- if rc:
- panic (scinode, " failed")
- local=string.rstrip(local[0])
-
- return local
+ return 0
+ else:
+ return 0
# XXX: instead of device_list, ask for $name and see what we get
def is_prepared(name):
"""Return true if a device exists for the name"""
if config.lctl_dump:
return 0
- if config.noexec and config.cleanup:
+ if (config.noexec or config.record) and config.cleanup:
return 1
try:
# expect this format:
return 0
def is_network_prepared():
- """If the LDLM device exists, then assume that all networking
+ """If the any device exists, then assume that all networking
has been configured"""
- return is_prepared('ldlm')
-
+ out = lctl.device_list()
+ return len(out) > 0
+
def fs_is_mounted(path):
"""Return true if path is a mounted lustre filesystem"""
try:
+ real_path = my_realpath(path)
+
fp = open('/proc/mounts')
lines = fp.readlines()
fp.close()
for l in lines:
a = string.split(l)
- if a[1] == path and a[2] == 'lustre_lite':
+ if a[1] == real_path and a[2] == 'lustre_lite':
return 1
except IOError, e:
log(e)
return 0
-
+
+class kmod:
+ """Manage kernel modules"""
+ def __init__(self, lustre_dir, portals_dir):
+ self.lustre_dir = lustre_dir
+ self.portals_dir = portals_dir
+ self.kmodule_list = []
+
+ def add_portals_module(self, dev_dir, modname):
+ """Append a module to list of modules to load."""
+ self.kmodule_list.append((self.portals_dir, dev_dir, modname))
+
+ def add_lustre_module(self, dev_dir, modname):
+ """Append a module to list of modules to load."""
+ self.kmodule_list.append((self.lustre_dir, dev_dir, modname))
+
+ def load_module(self):
+ """Load all the modules in the list in the order they appear."""
+ for src_dir, dev_dir, mod in self.kmodule_list:
+ if mod_loaded(mod) and not config.noexec:
+ continue
+ log ('loading module:', mod, 'srcdir', src_dir, 'devdir', dev_dir)
+ if PLATFORM == 'LINUX':
+ options = ''
+ if mod == 'lnet':
+ #For LNET we really need modprobe to load defined LNDs
+ run('/sbin/modprobe lnet')
+ #But if that fails, try insmod anyhow with dev option
+ #accept=all for dev liblustre testing
+ options = 'accept=all'
+ if src_dir:
+ module = find_module(src_dir, dev_dir, mod)
+ if not module:
+ panic('module not found:', mod)
+ (rc, out) = run('/sbin/insmod', module, options)
+ if rc and not mod_loaded(mod):
+ if rc == 1:
+ print("Bad module options? Check dmesg.")
+ raise CommandError('insmod', out, rc)
+ else:
+ (rc, out) = run('/sbin/modprobe', mod)
+ if rc and not mod_loaded(mod):
+ if rc == 1:
+ print("Bad module options? Check dmesg.")
+ raise CommandError('modprobe', out, rc)
+ elif PLATFORM == 'DARWIN':
+ run('/sbin/kextload', KEXTPATH + mod + '.kext');
+
+ def cleanup_module(self):
+ """Unload the modules in the list in reverse order."""
+
+ rev = self.kmodule_list[:] # make *copy* of list
+ rev.reverse()
+ for src_dir, dev_dir, mod in rev:
+ if not mod_loaded(mod) and not config.noexec:
+ continue
+ if mod == 'ksocklnd' and not config.noexec:
+ # Ignore ksocklnd in module list (lnet will remove)
+ continue
+ log('unloading module:', mod)
+ if mod == 'lnet' and not config.noexec:
+ # remove any self-ref portals created
+ lctl.unconfigure_network()
+ if config.dump:
+ debug('dumping debug log to', config.dump)
+ # debug hack
+ lctl.dump(config.dump)
+ log('unloading the network')
+ lctl.unconfigure_network()
+ if mod_loaded("ksocklnd"):
+ if PLATFORM == 'LINUX':
+ run('/sbin/rmmod ksocklnd')
+ elif PLATFORM == 'DARWIN':
+ run('/sbin/kextunload', KEXTPATH+'ksocklnd.kext')
+ if mod_loaded("kqswlnd"):
+ run('/sbin/rmmod kqswlnd')
+ if mod_loaded("kgmlnd"):
+ run('/sbin/rmmod kgmlnd')
+ if mod_loaded("kopeniblnd"):
+ run('/sbin/rmmod kopeniblnd')
+ if mod_loaded("kiiblnd"):
+ run('/sbin/rmmod kiiblnd')
+ if mod_loaded("kviblnd"):
+ run('/sbin/rmmod kviblnd')
+ if mod_loaded("kciblnd"):
+ run('/sbin/rmmod kciblnd')
+ if mod_loaded("ko2iblnd"):
+ run('/sbin/rmmod ko2iblnd')
+ if mod_loaded("kralnd"):
+ run('/sbin/rmmod kralnd')
+ if mod_loaded("kptllnd"):
+ run('/sbin/rmmod kptllnd')
+ if PLATFORM == 'LINUX':
+ (rc, out) = run('/sbin/rmmod', mod)
+ elif PLATFORM == 'DARWIN':
+ (rc, out) = run('/sbin/kextunload', KEXTPATH+mod+'.kext');
+ if rc:
+ log('! unable to unload module:', mod)
+ logall(out)
+
# ============================================================
# Classes to prepare and cleanup the various objects
self.module_name = module_name
self.name = self.db.getName()
self.uuid = self.db.getUUID()
- self.kmodule_list = []
self._server = None
self._connected = 0
-
+ self.kmod = kmod(config.lustre, config.portals)
+
def info(self, *args):
msg = string.join(map(str,args))
- print self.module_name + ":", self.name, self.uuid, msg
+ log (self.module_name + ":", self.name, self.uuid, msg)
def cleanup(self):
""" default cleanup, used for most modules """
log(self.module_name, "cleanup failed: ", self.name)
e.dump()
cleanup_error(e.rc)
-
+
def add_portals_module(self, dev_dir, modname):
"""Append a module to list of modules to load."""
- self.kmodule_list.append((config.portals, dev_dir, modname))
+ self.kmod.add_portals_module(dev_dir, modname)
def add_lustre_module(self, dev_dir, modname):
"""Append a module to list of modules to load."""
- self.kmodule_list.append((config.lustre, dev_dir, modname))
-
- def mod_loaded(self, modname):
- """Check if a module is already loaded. Look in /proc/modules for it."""
- fp = open('/proc/modules')
- lines = fp.readlines()
- fp.close()
- # please forgive my tired fingers for this one
- ret = filter(lambda word, mod=modname: word == mod,
- map(lambda line: string.split(line)[0], lines))
- return ret
+ self.kmod.add_lustre_module(dev_dir, modname)
def load_module(self):
"""Load all the modules in the list in the order they appear."""
- for src_dir, dev_dir, mod in self.kmodule_list:
- # (rc, out) = run ('/sbin/lsmod | grep -s', mod)
- if self.mod_loaded(mod) and not config.noexec:
- continue
- log ('loading module:', mod, 'srcdir', src_dir, 'devdir', dev_dir)
- if src_dir:
- module = find_module(src_dir, dev_dir, mod)
- if not module:
- panic('module not found:', mod)
- (rc, out) = run('/sbin/insmod', module)
- if rc:
- raise CommandError('insmod', out, rc)
- else:
- (rc, out) = run('/sbin/modprobe', mod)
- if rc:
- raise CommandError('modprobe', out, rc)
-
+ self.kmod.load_module()
+
def cleanup_module(self):
"""Unload the modules in the list in reverse order."""
- if not self.safe_to_clean():
- return
- rev = self.kmodule_list
- rev.reverse()
- for src_dir, dev_dir, mod in rev:
- if not self.mod_loaded(mod) and not config.noexec:
- continue
- # debug hack
- if mod == 'portals' and config.dump:
- lctl.dump(config.dump)
- log('unloading module:', mod)
- (rc, out) = run('/sbin/rmmod', mod)
- if rc:
- log('! unable to unload module:', mod)
- logall(out)
+ if self.safe_to_clean():
+ self.kmod.cleanup_module()
def safe_to_clean(self):
return 1
-
+
def safe_to_clean_modules(self):
return self.safe_to_clean()
-
+
class Network(Module):
- def __init__(self,db):
+ def __init__(self,db,nid_uuid=0):
Module.__init__(self, 'NETWORK', db)
self.net_type = self.db.get_val('nettype')
self.nid = self.db.get_val('nid', '*')
self.cluster_id = self.db.get_val('clusterid', "0")
self.port = self.db.get_val_int('port', 0)
- self.send_mem = self.db.get_val_int('sendmem', DEFAULT_TCPBUF)
- self.recv_mem = self.db.get_val_int('recvmem', DEFAULT_TCPBUF)
- self.irq_affinity = self.db.get_val_int('irqaffinity', 0)
- self.nid_exchange = self.db.get_val_int('nidexchange', 0)
-
- if '*' in self.nid:
- if self.nid_exchange:
- self.nid = sys_get_local_nid(self.net_type, self.nid, self.cluster_id)
- else:
- self.nid = sys_get_local_address(self.net_type, self.nid, self.cluster_id)
- if not self.nid:
- panic("unable to set nid for", self.net_type, self.nid, cluster_id)
- debug("nid:", self.nid)
-
- self.hostaddr = self.db.get_val('hostaddr', self.nid)
- if '*' in self.hostaddr:
- self.hostaddr = sys_get_local_address(self.net_type, self.hostaddr, self.cluster_id)
- if not self.hostaddr:
- panic("unable to set hostaddr for", self.net_type, self.hostaddr, self.cluster_id)
- debug("hostaddr:", self.hostaddr)
-
- self.add_portals_module("libcfs", 'portals')
- if node_needs_router():
- self.add_portals_module("router", 'kptlrouter')
- if self.net_type == 'tcp':
- self.add_portals_module("knals/socknal", 'ksocknal')
- if self.net_type == 'toe':
- self.add_portals_module("knals/toenal", 'ktoenal')
- if self.net_type == 'elan':
- self.add_portals_module("knals/qswnal", 'kqswnal')
- if self.net_type == 'gm':
- self.add_portals_module("knals/gmnal", 'kgmnal')
- if self.net_type == 'scimac':
- self.add_portals_module("knals/scimacnal", 'kscimacnal')
-
- def prepare(self):
- if is_network_prepared():
- return
- self.info(self.net_type, self.nid, self.port)
- lctl.network(self.net_type, self.nid)
- if self.port and node_is_router():
- run_one_acceptor(self.port)
- self.connect_peer_gateways()
-
- def connect_peer_gateways(self):
- for router in self.db.lookup_class('node'):
- if router.get_val_int('router', 0):
- for netuuid in router.get_networks():
- net = self.db.lookup(netuuid)
- gw = Network(net)
- if (gw.cluster_id == self.cluster_id and
- gw.net_type == self.net_type):
- if gw.nid != self.nid:
- lctl.connect(gw)
-
- def disconnect_peer_gateways(self):
- for router in self.db.lookup_class('node'):
- if router.get_val_int('router', 0):
- for netuuid in router.get_networks():
- net = self.db.lookup(netuuid)
- gw = Network(net)
- if (gw.cluster_id == self.cluster_id and
- gw.net_type == self.net_type):
- if gw.nid != self.nid:
- try:
- lctl.disconnect(gw)
- except CommandError, e:
- print "disconnect failed: ", self.name
- e.dump()
- cleanup_error(e.rc)
-
- def safe_to_clean(self):
- return not is_network_prepared()
+ self.nid_uuid = nid_uuid
+ self.add_portals_module('libcfs', 'libcfs')
+ self.add_portals_module('lnet', 'lnet')
+ # Add the socklnd for developers without modprobe.conf (umls)
+ self.add_portals_module('klnds/socklnd', 'ksocklnd')
- def cleanup(self):
- self.info(self.net_type, self.nid, self.port)
- if self.port:
- stop_acceptor(self.port)
- if node_is_router():
- self.disconnect_peer_gateways()
-
- try:
- lctl.disconnectAll(self.net_type)
- except CommandError, e:
- print "disconnectAll failed: ", self.name
- e.dump()
- cleanup_error(e.rc)
-
-class RouteTable(Module):
- def __init__(self,db):
- Module.__init__(self, 'ROUTES', db)
-
- def server_for_route(self, net_type, gw, gw_cluster_id, tgt_cluster_id, lo, hi):
- # only setup connections for tcp NALs
- srvdb = None
- if not net_type in ('tcp', 'toe'):
- return None
-
- # connect to target if route is to single node and this node is the gw
- if lo == hi and local_interface(net_type, gw_cluster_id, gw):
- if not local_cluster(net_type, tgt_cluster_id):
- panic("target", lo, " not on the local cluster")
- srvdb = self.db.nid2server(lo, net_type)
- # connect to gateway if this node is not the gw
- elif (local_cluster(net_type, gw_cluster_id)
- and not local_interface(net_type, gw_cluster_id, gw)):
- srvdb = self.db.nid2server(gw, net_type)
- else:
- return None
-
- if not srvdb:
- panic("no server for nid", lo)
- return None
-
- return Network(srvdb)
-
def prepare(self):
if is_network_prepared():
return
- self.info()
- for net_type, gw, gw_cluster_id, tgt_cluster_id, lo, hi in self.db.get_route_tbl():
- lctl.add_route(net_type, gw, lo, hi)
- srv = self.server_for_route(net_type, gw, gw_cluster_id, tgt_cluster_id, lo, hi)
- if srv:
- lctl.connect(srv)
-
- def safe_to_clean(self):
- return not is_network_prepared()
-
- def cleanup(self):
- if is_network_prepared():
- # the network is still being used, don't clean it up
- return
- for net_type, gw, gw_cluster_id, tgt_cluster_id, lo, hi in self.db.get_route_tbl():
- srv = self.server_for_route(net_type, gw, gw_cluster_id, tgt_cluster_id, lo, hi)
- if srv:
- try:
- lctl.disconnect(srv)
- except CommandError, e:
- print "disconnect failed: ", self.name
- e.dump()
- cleanup_error(e.rc)
-
- try:
- lctl.del_route(net_type, gw, lo, hi)
- except CommandError, e:
- print "del_route failed: ", self.name
- e.dump()
- cleanup_error(e.rc)
-
-class Management(Module):
- def __init__(self, db):
- Module.__init__(self, 'MGMT', db)
- self.add_lustre_module('obdclass', 'obdclass')
- self.add_lustre_module('ptlrpc', 'ptlrpc')
- self.add_lustre_module('ldlm', 'ldlm')
- self.add_lustre_module('mgmt', 'mgmt_svc')
-
- def prepare(self):
- if is_prepared(self.name):
- return
- self.info()
- lctl.newdev(attach="mgmt %s %s" % (self.name, self.uuid))
+ self.info(self.net_type, self.nid)
+ if self.net_type == 'tcp':
+ sys_tweak_socknal()
+ if self.net_type == 'elan':
+ sys_optimize_elan()
def safe_to_clean(self):
+ if PLATFORM == 'LINUX':
+ return not is_network_prepared()
+ elif PLATFORM == 'DARWIN':
+ # XXX always assume it's safe to clean
+ return 1
return 1
def cleanup(self):
- if is_prepared(self.name):
- Module.cleanup(self)
+ self.info(self.net_type, self.nid)
+# This is only needed to load the modules; the LDLM device
+# is now created automatically.
class LDLM(Module):
def __init__(self,db):
Module.__init__(self, 'LDLM', db)
+ self.add_lustre_module('lvfs', 'lvfs')
self.add_lustre_module('obdclass', 'obdclass')
self.add_lustre_module('ptlrpc', 'ptlrpc')
- self.add_lustre_module('ldlm', 'ldlm')
+ self.add_lustre_module('ptlrpc/gss', 'ptlrpc_gss')
def prepare(self):
- if is_prepared(self.name):
- return
- self.info()
- lctl.newdev(attach="ldlm %s %s" % ('ldlm', 'ldlm_UUID'))
-
- def safe_to_clean(self):
- out = lctl.device_list()
- return len(out) <= 1
+ return
def cleanup(self):
- if is_prepared(self.name):
- Module.cleanup(self)
+ return
class LOV(Module):
- def __init__(self, db, uuid, fs_name):
+ def __init__(self, db, uuid, fs_name, name_override = None, config_only = None):
Module.__init__(self, 'LOV', db)
- self.add_lustre_module('mdc', 'mdc')
+ if name_override != None:
+ self.name = "lov_%s" % name_override
self.add_lustre_module('lov', 'lov')
self.mds_uuid = self.db.get_first_ref('mds')
- mds= self.db.lookup(self.mds_uuid)
- self.mds_name = mds.getName()
- self.stripe_sz = self.db.get_val_int('stripesize', 65536)
+ self.stripe_sz = self.db.get_val_int('stripesize', 1048576)
self.stripe_off = self.db.get_val_int('stripeoffset', 0)
self.pattern = self.db.get_val_int('stripepattern', 0)
- self.devlist = self.db.get_refs('obd')
- self.stripe_cnt = self.db.get_val_int('stripecount', len(self.devlist))
+ self.devlist = []
+ self.stripe_cnt = self.db.get_val_int('stripecount', 1)
self.osclist = []
- self.client_uuid = generate_client_uuid(self.name)
+ self.desc_uuid = self.uuid
+ self.uuid = generate_client_uuid(self.name)
self.fs_name = fs_name
- self.mdc_name = ''
- self.mdc = get_mdc(db, self.client_uuid, fs_name, self.mds_uuid)
- for obd_uuid in self.devlist:
+ # settings below here won't be seen by the MDSDEV code!
+ if config_only:
+ self.config_only = 1
+ return
+ self.config_only = None
+ mds = self.db.lookup(self.mds_uuid)
+ self.mds_name = mds.getName()
+ self.devlist = self.db.get_lov_tgts('lov_tgt')
+ for (obd_uuid, index, gen, active) in self.devlist:
+ if obd_uuid == '':
+ continue
obd = self.db.lookup(obd_uuid)
- osc = get_osc(obd, self.client_uuid, fs_name)
+ osc = get_osc(obd, self.uuid, fs_name)
if osc:
- self.osclist.append(osc)
+ self.osclist.append((osc, index, gen, active))
else:
panic('osc not found:', obd_uuid)
-
+ if self.osclist == []:
+ debug("get_lov_tgts failed, using get_refs");
+ index = 0
+ self.devlist = self.db.get_refs('obd')
+ for obd_uuid in self.devlist:
+ obd = self.db.lookup(obd_uuid)
+ osc = get_osc(obd, self.uuid, fs_name)
+ if osc:
+ self.osclist.append((osc, index, 1, 1))
+ else:
+ panic('osc not found:', obd_uuid)
+ index = index + 1
+ if self.osclist == []:
+ panic('No OSCs configured for LOV')
+ debug('dbg LOV __init__:', self.osclist, self.devlist, self.stripe_cnt)
+
def prepare(self):
+ debug('dbg LOV prepare')
if is_prepared(self.name):
return
- for osc in self.osclist:
+ debug('dbg LOV prepare:', self.osclist, self.devlist)
+ self.info(self.mds_uuid, self.stripe_cnt, self.stripe_sz,
+ self.stripe_off, self.pattern, self.devlist,
+ self.mds_name)
+ lctl.lov_setup(self.name, self.uuid,
+ self.desc_uuid, self.mds_name, self.stripe_cnt,
+ self.stripe_sz, self.stripe_off, self.pattern)
+ if self.osclist == []:
+ panic('No OSCs configured for LOV?')
+ for (osc, index, gen, active) in self.osclist:
+ target_uuid = osc.target_uuid
try:
# Only ignore connect failures with --force, which
# isn't implemented here yet.
+ osc.active = active
osc.prepare(ignore_connect_failure=0)
except CommandError, e:
print "Error preparing OSC %s\n" % osc.uuid
raise e
- self.mdc.prepare()
- self.mdc_name = self.mdc.name
- self.info(self.mds_uuid, self.stripe_cnt, self.stripe_sz,
- self.stripe_off, self.pattern, self.devlist, self.mds_name)
- lctl.newdev(attach="lov %s %s" % (self.name, self.uuid),
- setup ="%s" % (self.mdc_name))
+ lctl.lov_add_obd(self.name, self.uuid, target_uuid, index, gen)
def cleanup(self):
if is_prepared(self.name):
Module.cleanup(self)
- for osc in self.osclist:
+ for (osc, index, gen, active) in self.osclist:
osc.cleanup()
- mdc = get_mdc(self.db, self.client_uuid, self.fs_name, self.mds_uuid)
- mdc.cleanup()
+ if self.config_only:
+ panic("Can't clean up config_only LOV ", self.name)
def load_module(self):
- for osc in self.osclist:
+ if self.config_only:
+ panic("Can't load modules for config_only LOV ", self.name)
+ for (osc, index, gen, active) in self.osclist:
osc.load_module()
break
Module.load_module(self)
def cleanup_module(self):
+ if self.config_only:
+ panic("Can't cleanup modules for config_only LOV ", self.name)
Module.cleanup_module(self)
- for osc in self.osclist:
- osc.cleanup_module()
+ for (osc, index, gen, active) in self.osclist:
+ if active:
+ osc.cleanup_module()
break
-class LOVConfig(Module):
- def __init__(self, db):
- Module.__init__(self, 'LOVConfig', db)
-
- self.lov_uuid = self.db.get_first_ref('lov')
- l = self.db.lookup(self.lov_uuid)
- self.lov = LOV(l, "YOU_SHOULD_NEVER_SEE_THIS_UUID", '')
-
- def prepare(self):
- lov = self.lov
- self.info(lov.mds_uuid, lov.stripe_cnt, lov.stripe_sz, lov.stripe_off,
- lov.pattern, lov.devlist, lov.mds_name)
- lctl.lov_setconfig(lov.uuid, lov.mds_name, lov.stripe_cnt,
- lov.stripe_sz, lov.stripe_off, lov.pattern,
- string.join(lov.devlist))
-
- def cleanup(self):
- #nothing to do here
- pass
-
class MDSDEV(Module):
def __init__(self,db):
Module.__init__(self, 'MDSDEV', db)
self.devpath = self.db.get_val('devpath','')
self.size = self.db.get_val_int('devsize', 0)
self.journal_size = self.db.get_val_int('journalsize', 0)
+
self.fstype = self.db.get_val('fstype', '')
+ if sys_get_branch() == '2.4' and self.fstype == 'ldiskfs':
+ self.fstype = 'ext3'
+ elif sys_get_branch() == '2.6' and self.fstype == 'ext3':
+ self.fstype = 'ldiskfs'
+
self.nspath = self.db.get_val('nspath', '')
+ self.mkfsoptions = '-i 4096 ' + self.db.get_val('mkfsoptions', '')
+ self.mountfsoptions = self.db.get_val('mountfsoptions', '')
+ if config.quota:
+ self.quota = config.quota
+ else:
+ self.quota = self.db.get_val('quota', '')
# overwrite the orignal MDSDEV name and uuid with the MDS name and uuid
target_uuid = self.db.get_first_ref('target')
mds = self.db.lookup(target_uuid)
self.name = mds.getName()
- self.lovconfig_uuids = mds.get_refs('lovconfig')
self.filesystem_uuids = mds.get_refs('filesystem')
# FIXME: if fstype not set, then determine based on kernel version
self.format = self.db.get_val('autoformat', "no")
- if mds.get_val('failover', 0):
+ if mds.get_val('failover', '1') != '0':
self.failover_mds = 'f'
else:
self.failover_mds = 'n'
self.active = 1
else:
self.active = 0
- if self.active and config.group and config.group != ost.get_val('group'):
+ if self.active and config.group and config.group != mds.get_val('group', mds.get_val('name')):
self.active = 0
+ self.inode_size = self.db.get_val_int('inodesize', 0)
+ debug('original inode_size ', self.inode_size)
+ if self.inode_size == 0:
+ # find the LOV for this MDS
+ lovconfig_uuid = mds.get_first_ref('lovconfig')
+ if not lovconfig_uuid:
+ panic("No LOV config found for MDS ", mds.name)
+ lovconfig = mds.lookup(lovconfig_uuid)
+ lov_uuid = lovconfig.get_first_ref('lov')
+ if not lov_uuid:
+ panic("No LOV found for lovconfig ", lovconfig.name)
+ lov = LOV(self.db.lookup(lov_uuid), lov_uuid, 'FS_name', config_only = 1)
+
+ # default stripe count controls default inode_size
+ if (lov.stripe_cnt > 0):
+ stripe_count = lov.stripe_cnt
+ else:
+ stripe_count = 1
+ if stripe_count > 77:
+ self.inode_size = 512
+ elif stripe_count > 34:
+ self.inode_size = 2048
+ elif stripe_count > 13:
+ self.inode_size = 1024
+ #elif stripe_count < 3:
+ # self.inode_size = 256
+ else:
+ self.inode_size = 512
+ debug('stripe_count ', stripe_count,' inode_size ',self.inode_size)
+
self.target_dev_uuid = self.uuid
self.uuid = target_uuid
- # modules
+
+ # loading modules
+ if self.quota:
+ self.add_lustre_module('quota', 'lquota')
+ self.add_lustre_module('mdc', 'mdc')
+ self.add_lustre_module('osc', 'osc')
+ self.add_lustre_module('lov', 'lov')
self.add_lustre_module('mds', 'mds')
+ if self.fstype == 'ldiskfs':
+ self.add_lustre_module('ldiskfs', 'ldiskfs')
if self.fstype:
- self.add_lustre_module('obdclass', 'fsfilt_%s' % (self.fstype))
+ self.add_lustre_module('lvfs', 'fsfilt_%s' % (self.fstype))
def load_module(self):
if self.active:
Module.load_module(self)
-
+
def prepare(self):
if is_prepared(self.name):
return
if not self.active:
debug(self.uuid, "not active")
return
- self.info(self.devpath, self.fstype, self.format)
- run_acceptors()
- blkdev = block_dev(self.devpath, self.size, self.fstype, self.format,
- self.journal_size)
+ if config.reformat:
+ # run write_conf automatically, if --reformat used
+ self.write_conf()
+ self.info(self.devpath, self.fstype, self.size, self.format)
+ # never reformat here
+ blkdev = block_dev(self.devpath, self.size, self.fstype, 0,
+ self.format, self.journal_size, self.inode_size,
+ self.mkfsoptions)
if not is_prepared('MDT'):
- lctl.newdev(attach="mdt %s %s" % ('MDT', 'MDT_UUID'),
- setup ="")
- if self.nspath:
- run ("mkdir", self.nspath)
- lctl.newdev(attach="mds %s %s" % (self.name, self.uuid),
- setup ="%s %s %s" %(blkdev, self.fstype, self.nspath))
- for uuid in self.lovconfig_uuids:
- db = self.db.lookup(uuid)
- lovconfig = LOVConfig(db)
- lovconfig.prepare()
- if config.mds_ost_conn:
- for uuid in self.filesystem_uuids:
- log("open clients for filesystem:", uuid)
- fs = self.db.lookup(uuid)
- obd_uuid = fs.get_first_ref('obd')
- client_uuid = generate_client_uuid(self.name)
- client = VOSC(client_uuid, self.db.lookup(obd_uuid), self.name)
- client.prepare()
-
-
- def msd_remaining(self):
+ lctl.newdev("mdt", 'MDT', 'MDT_UUID', setup ="")
+ try:
+ mountfsoptions = def_mount_options(self.fstype, 'mds', blkdev)
+
+ if config.mountfsoptions:
+ if mountfsoptions:
+ mountfsoptions = mountfsoptions + ',' + config.mountfsoptions
+ else:
+ mountfsoptions = config.mountfsoptions
+ if self.mountfsoptions:
+ mountfsoptions = mountfsoptions + ',' + self.mountfsoptions
+ else:
+ if self.mountfsoptions:
+ if mountfsoptions:
+ mountfsoptions = mountfsoptions + ',' + self.mountfsoptions
+ else:
+ mountfsoptions = self.mountfsoptions
+
+ print 'MDS mount options: ' + mountfsoptions
+
+ lctl.newdev("mds", self.name, self.uuid,
+ setup ="%s %s %s %s %s" %(blkdev, self.fstype, self.name,
+ mountfsoptions, self.quota))
+ self.group_upcall = self.db.get_val('group_upcall','')
+ sys_set_group_upcall(self.name, self.group_upcall)
+
+ except CommandError, e:
+ if e.rc == 2:
+ panic("MDS failed to start. Check the syslog for details." +
+ " (May need to run lconf --write-conf)")
+ else:
+ raise e
+
+ def write_conf(self):
+ if is_prepared(self.name):
+ return
+ self.info(self.devpath, self.fstype, self.format)
+ blkdev = block_dev(self.devpath, self.size, self.fstype,
+ config.reformat, self.format, self.journal_size,
+ self.inode_size, self.mkfsoptions)
+ lctl.newdev("mds", self.name, self.uuid,
+ setup ="%s %s" %(blkdev, self.fstype))
+
+ # record logs for the MDS lov
+ for uuid in self.filesystem_uuids:
+ log("recording clients for filesystem:", uuid)
+ fs = self.db.lookup(uuid)
+ obd_uuid = fs.get_first_ref('obd')
+ client_uuid = generate_client_uuid(self.name)
+ client = VOSC(self.db.lookup(obd_uuid), client_uuid, self.name,
+ self.name)
+ config.record = 1
+ lctl.clear_log(self.name, self.name)
+ lctl.record(self.name, self.name)
+ client.prepare()
+ lctl.mount_option(self.name, client.get_name(), "")
+ lctl.end_record()
+ config.record = 0
+
+ # record logs for each client
+ if config.ldapurl:
+ config_options = "--ldapurl " + config.ldapurl + " --config " + config.config
+ else:
+ config_options = CONFIG_FILE
+
+ for node_db in self.db.lookup_class('node'):
+ client_name = node_db.getName()
+ for prof_uuid in node_db.get_refs('profile'):
+ prof_db = node_db.lookup(prof_uuid)
+ # refactor this into a funtion to test "clientness" of a node.
+ for ref_class, ref_uuid in prof_db.get_all_refs():
+ if ref_class in ('mountpoint','echoclient'):
+ thing = self.db.lookup(ref_uuid);
+ fs_uuid = thing.get_first_ref('filesystem')
+ if not fs_uuid in self.filesystem_uuids:
+ continue;
+
+ log("Recording log", client_name, "on", self.name)
+ old_noexec = config.noexec
+ config.noexec = 0
+ noexec_opt = ('', '-n')
+ ret, out = run (sys.argv[0],
+ noexec_opt[old_noexec == 1],
+ " -v --record --nomod --old_conf",
+ "--record_log", client_name,
+ "--record_device", self.name,
+ "--node", client_name,
+ config_options)
+ if ret:
+ lctl.clear_log(self.name, client_name)
+ print out
+ self.cleanup()
+ panic("Record client log %s on %s failed" %(
+ client_name, self.name))
+ if config.verbose:
+ for s in out: log("record> ", string.strip(s))
+ config.noexec = old_noexec
+ try:
+ lctl.cleanup(self.name, self.uuid, config.force, config.failover)
+ except CommandError, e:
+ log(self.module_name, "cleanup failed: ", self.name)
+ e.dump()
+ cleanup_error(e.rc)
+ Module.cleanup(self)
+ clean_loop(self.devpath)
+
+ #change the mtime of LLOG to match the XML creation time
+ if toplustreDB.get_mtime():
+ mtime = toplustreDB.get_mtime()
+ debug("changing mtime of LOGS to %s" %mtime)
+ ret, mktemp = runcmd("mktemp /tmp/lustre-cmd.XXXXXXXX")
+ if ret:
+ log(self.module_name, "create mtime LOGS cmdfile failed: ", self.name)
+ else:
+ mtimecmdfile = string.split(mktemp[0])[0]
+ fd = os.open(mtimecmdfile, os.O_RDWR | os.O_CREAT)
+ os.write(fd, "\n\n\n\n\n%s\n\n" %mtime)
+ os.close(fd)
+ cmd = "debugfs -w -R \"mi /LOGS\" <%s %s" %(mtimecmdfile, self.devpath)
+ ret, outs = runcmd(cmd)
+ os.remove(mtimecmdfile)
+ if ret:
+ print "Can not change mtime of LOGS by debugfs."
+
+ def mds_remaining(self):
out = lctl.device_list()
for s in out:
if string.split(s)[2] in ('mds',):
+ if string.split(s)[1] in ('ST',):
+ return 0
return 1
def safe_to_clean(self):
return self.active
def safe_to_clean_modules(self):
- return not self.msd_remaining()
+ return not self.mds_remaining()
def cleanup(self):
if not self.active:
debug(self.uuid, "not active")
return
+ self.info()
if is_prepared(self.name):
- self.info()
try:
lctl.cleanup(self.name, self.uuid, config.force,
config.failover)
e.dump()
cleanup_error(e.rc)
Module.cleanup(self)
- if config.mds_ost_conn:
- for uuid in self.filesystem_uuids:
- log("clean clients for filesystem:", uuid)
- log("open clients for filesystem:", uuid)
- fs = self.db.lookup(uuid)
- obd_uuid = fs.get_first_ref('obd')
- client = VOSC(self.db.lookup(obd_uuid), self.name)
- client.cleanup()
- if not self.msd_remaining() and is_prepared('MDT'):
+ if not self.mds_remaining() and is_prepared('MDT'):
try:
lctl.cleanup("MDT", "MDT_UUID", config.force,
config.failover)
self.devpath = self.db.get_val('devpath', '')
self.size = self.db.get_val_int('devsize', 0)
self.journal_size = self.db.get_val_int('journalsize', 0)
+
+ # now as we store fids in EA on OST we need to make inode bigger
+ self.inode_size = self.db.get_val_int('inodesize', 0)
+ if self.inode_size == 0:
+ self.inode_size = 256
+ self.mkfsoptions = self.db.get_val('mkfsoptions', '')
+ # Allocate fewer inodes on large OST devices. Most filesystems
+ # can be much more aggressive than this, but by default we can't.
+ if self.size > 1000000:
+ self.mkfsoptions = '-i 16384 ' + self.mkfsoptions
+ self.mountfsoptions = self.db.get_val('mountfsoptions', '')
+ if config.quota:
+ self.quota = config.quota
+ else:
+ self.quota = self.db.get_val('quota', '')
+
self.fstype = self.db.get_val('fstype', '')
+ if sys_get_branch() == '2.4' and self.fstype == 'ldiskfs':
+ self.fstype = 'ext3'
+ elif sys_get_branch() == '2.6' and self.fstype == 'ext3':
+ self.fstype = 'ldiskfs'
+
self.nspath = self.db.get_val('nspath', '')
target_uuid = self.db.get_first_ref('target')
ost = self.db.lookup(target_uuid)
self.name = ost.getName()
self.format = self.db.get_val('autoformat', 'yes')
- if ost.get_val('failover', 0):
+ if ost.get_val('failover', '1') != '0':
self.failover_ost = 'f'
else:
self.failover_ost = 'n'
self.active = 1
else:
self.active = 0
- if self.active and config.group and config.group != ost.get_val('group'):
+ if self.active and config.group and config.group != ost.get_val('group', ost.get_val('name')):
self.active = 0
-
+
self.target_dev_uuid = self.uuid
self.uuid = target_uuid
# modules
+ if self.quota:
+ self.add_lustre_module('quota', 'lquota')
self.add_lustre_module('ost', 'ost')
- # FIXME: should we default to ext3 here?
+ # FIXME: should we default to ext3 here?
+ if self.fstype == 'ldiskfs':
+ self.add_lustre_module('ldiskfs', 'ldiskfs')
if self.fstype:
- self.add_lustre_module('obdclass' , 'fsfilt_%s' % (self.fstype))
+ self.add_lustre_module('lvfs' , 'fsfilt_%s' % (self.fstype))
self.add_lustre_module(self.osdtype, self.osdtype)
def load_module(self):
debug(self.uuid, "not active")
return
self.info(self.osdtype, self.devpath, self.size, self.fstype,
- self.format, self.journal_size)
- run_acceptors()
+ self.format, self.journal_size, self.inode_size)
if self.osdtype == 'obdecho':
blkdev = ''
else:
blkdev = block_dev(self.devpath, self.size, self.fstype,
- self.format, self.journal_size)
- if self.nspath:
- run ("mkdir", self.nspath)
- lctl.newdev(attach="%s %s %s" % (self.osdtype, self.name, self.uuid),
- setup ="%s %s %s %s" %(blkdev, self.fstype,
- self.failover_ost, self.nspath))
+ config.reformat, self.format, self.journal_size,
+ self.inode_size, self.mkfsoptions)
+
+ mountfsoptions = def_mount_options(self.fstype, 'ost', blkdev)
+
+ if config.mountfsoptions:
+ if mountfsoptions:
+ mountfsoptions = mountfsoptions + ',' + config.mountfsoptions
+ else:
+ mountfsoptions = config.mountfsoptions
+ if self.mountfsoptions:
+ mountfsoptions = mountfsoptions + ',' + self.mountfsoptions
+ else:
+ if self.mountfsoptions:
+ if mountfsoptions:
+ mountfsoptions = mountfsoptions + ',' + self.mountfsoptions
+ else:
+ mountfsoptions = self.mountfsoptions
+
+ print 'OST mount options: ' + mountfsoptions
+
+ lctl.newdev(self.osdtype, self.name, self.uuid,
+ setup ="%s %s %s %s %s" %(blkdev, self.fstype,
+ self.failover_ost, mountfsoptions,
+ self.quota))
if not is_prepared('OSS'):
- lctl.newdev(attach="ost %s %s" % ('OSS', 'OSS_UUID'),
- setup ="")
+ lctl.newdev("ost", 'OSS', 'OSS_UUID', setup ="")
def osd_remaining(self):
out = lctl.device_list()
if not self.osdtype == 'obdecho':
clean_loop(self.devpath)
-def mgmt_uuid_for_fs(mtpt_name):
- if not mtpt_name:
- return ''
- mtpt_db = toplevel.lookup_name(mtpt_name)
- fs_uuid = mtpt_db.get_first_ref('filesystem')
- fs = toplevel.lookup(fs_uuid)
- if not fs:
- return ''
- return fs.get_first_ref('mgmt')
-
# Generic client module, used by OSC and MDC
class Client(Module):
def __init__(self, tgtdb, uuid, module, fs_name, self_name=None,
self.target_name = tgtdb.getName()
self.target_uuid = tgtdb.getUUID()
self.db = tgtdb
+ self.backup_targets = []
self.tgt_dev_uuid = get_active_target(tgtdb)
if not self.tgt_dev_uuid:
panic("No target device found for target:", self.target_name)
-
- self.kmodule_list = []
+
+ self.kmod = kmod(config.lustre, config.portals)
self._server = None
self._connected = 0
self.name = self_name
self.uuid = uuid
self.lookup_server(self.tgt_dev_uuid)
- mgmt_uuid = mgmt_uuid_for_fs(fs_name)
- if mgmt_uuid:
- self.mgmt_name = mgmtcli_name_for_uuid(mgmt_uuid)
- else:
- self.mgmt_name = ''
+ self.lookup_backup_targets()
self.fs_name = fs_name
if not module_dir:
module_dir = module
""" Lookup a server's network information """
self._server_nets = get_ost_net(self.db, srv_uuid)
if len(self._server_nets) == 0:
- panic ("Unable to find a server for:", srv_uuid)
+ panic("Unable to find a server for:", srv_uuid)
def get_servers(self):
return self._server_nets
+ def lookup_backup_targets(self):
+ """ Lookup alternative network information """
+ prof_list = toplustreDB.get_refs('profile')
+ for prof_uuid in prof_list:
+ prof_db = toplustreDB.lookup(prof_uuid)
+ if not prof_db:
+ panic("profile:", prof_uuid, "not found.")
+ for ref_class, ref_uuid in prof_db.get_all_refs():
+ if ref_class in ('osd', 'mdsdev'):
+ devdb = toplustreDB.lookup(ref_uuid)
+ uuid = devdb.get_first_ref('target')
+ if self.target_uuid == uuid and self.tgt_dev_uuid != ref_uuid:
+ debug("add backup target", ref_uuid)
+ self.backup_targets.append(ref_uuid)
+
def prepare(self, ignore_connect_failure = 0):
self.info(self.target_uuid)
if is_prepared(self.name):
self.cleanup()
try:
- srv = choose_local_server(self.get_servers())
- if srv:
+ srv_list = self.get_servers()
+ debug('dbg CLIENT __prepare__:', self.target_uuid, srv_list)
+ for srv in srv_list:
lctl.connect(srv)
- else:
- srv, r = find_route(self.get_servers())
- if srv:
- lctl.add_route_host(r[0], srv.uuid, r[1], r[3])
- else:
- panic ("no route to", self.target_uuid)
+ if len(srv_list) == 0:
+ panic("no servers for ", self.target_uuid)
except CommandError, e:
if not ignore_connect_failure:
raise e
- if srv:
- lctl.newdev(attach="%s %s %s" % (self.module, self.name, self.uuid),
- setup ="%s %s %s" % (self.target_uuid, srv.uuid,
- self.mgmt_name))
+
+ if srv_list[0]:
+ srv = srv_list[0]
+ if self.target_uuid in config.inactive and self.permits_inactive():
+ debug("%s inactive" % self.target_uuid)
+ inactive_p = "inactive"
+ else:
+ debug("%s active" % self.target_uuid)
+ inactive_p = ""
+ lctl.newdev(self.module, self.name, self.uuid,
+ setup ="%s %s %s" % (self.target_uuid, srv.nid_uuid,
+ inactive_p))
+ else:
+ panic("Unable to create OSC for ", self.target_uuid)
+
+ for tgt_dev_uuid in self.backup_targets:
+ this_nets = get_ost_net(toplustreDB, tgt_dev_uuid)
+ if len(this_nets) == 0:
+ panic ("Unable to find a backup server for:", tgt_dev_uuid)
+ else:
+ for srv in this_nets:
+ lctl.connect(srv)
+ if srv:
+ lctl.add_conn(self.name, srv.nid_uuid);
+
def cleanup(self):
if is_prepared(self.name):
Module.cleanup(self)
- try:
- srv = choose_local_server(self.get_servers())
- if srv:
- lctl.disconnect(srv)
+ srv_list = self.get_servers()
+ for srv in srv_list:
+ lctl.disconnect(srv)
+ for tgt_dev_uuid in self.backup_targets:
+ this_nets = get_ost_net(toplustreDB, tgt_dev_uuid)
+ if len(this_nets) == 0:
+ panic ("Unable to find a backup server for:", tgt_dev_uuid)
else:
- srv, r = find_route(self.get_servers())
- if srv:
- lctl.del_route_host(r[0], srv.uuid, r[1], r[3])
- except CommandError, e:
- log(self.module_name, "cleanup failed: ", self.name)
- e.dump()
- cleanup_error(e.rc)
-
+ for srv in this_nets:
+ lctl.disconnect(srv)
class MDC(Client):
def __init__(self, db, uuid, fs_name):
Client.__init__(self, db, uuid, 'mdc', fs_name)
+ def permits_inactive(self):
+ return 0
class OSC(Client):
def __init__(self, db, uuid, fs_name):
Client.__init__(self, db, uuid, 'osc', fs_name)
-def mgmtcli_name_for_uuid(uuid):
- return 'MGMTCLI_%s' % uuid
+ def permits_inactive(self):
+ return 1
-class ManagementClient(Client):
- def __init__(self, db, uuid):
- Client.__init__(self, db, uuid, 'mgmt_cli', '',
- self_name = mgmtcli_name_for_uuid(db.getUUID()),
- module_dir = 'mgmt')
-
class COBD(Module):
def __init__(self, db):
Module.__init__(self, 'COBD', db)
if is_prepared(self.name):
return
self.info(self.real_uuid, self.cache_uuid)
- lctl.newdev(attach="cobd %s %s" % (self.name, self.uuid),
+ lctl.newdev("cobd", self.name, self.uuid,
setup ="%s %s" %(self.real_uuid, self.cache_uuid))
# virtual interface for OSC and LOV
class VOSC(Module):
- def __init__(self, db, uuid, fs_name):
+ def __init__(self, db, uuid, fs_name, name_override = None, quota = None):
Module.__init__(self, 'VOSC', db)
+ if quota:
+ self.add_lustre_module('quota', 'lquota')
if db.get_class() == 'lov':
- self.osc = LOV(db, uuid, fs_name)
+ self.osc = LOV(db, uuid, fs_name, name_override)
else:
self.osc = get_osc(db, uuid, fs_name)
def get_uuid(self):
def cleanup(self):
self.osc.cleanup()
def load_module(self):
+ Module.load_module(self)
self.osc.load_module()
def cleanup_module(self):
self.osc.cleanup_module()
- def need_mdc(self):
- return self.db.get_class() != 'lov'
- def get_mdc_name(self):
- if self.db.get_class() == 'lov':
- return self.osc.mdc_name
- return ''
+ Module.cleanup_module(self)
class ECHO_CLIENT(Module):
def prepare(self):
if is_prepared(self.name):
return
- run_acceptors()
self.osc.prepare() # XXX This is so cheating. -p
self.info(self.obd_uuid)
- lctl.newdev(attach="echo_client %s %s" % (self.name, self.uuid),
+ lctl.newdev("echo_client", self.name, self.uuid,
setup = self.osc.get_name())
def cleanup(self):
return client_uuid[:36]
+def my_rstrip(s, chars):
+ """my_rstrip(s, chars) -> strips any instances of the characters
+ found in chars from the right side of string s"""
+ # XXX required because python versions pre 2.2.3 don't allow
+ #string.rstrip() to take alternate char lists
+ import string
+ ns=s
+ try:
+ ns = string.rstrip(s, '/')
+ except TypeError, e:
+ for i in range(len(s) - 1, 0, -1):
+ if s[i] in chars:
+ continue
+ else:
+ ns = s[0:i+1]
+ break
+ return ns
+
+
class Mountpoint(Module):
def __init__(self,db):
Module.__init__(self, 'MTPT', db)
- self.path = self.db.get_val('path')
+ self.path = my_rstrip(self.db.get_val('path'), '/')
+ self.clientoptions = self.db.get_val('clientoptions', '')
self.fs_uuid = self.db.get_first_ref('filesystem')
fs = self.db.lookup(self.fs_uuid)
self.mds_uuid = fs.get_first_ref('mds')
+ mds_db = self.db.lookup(self.mds_uuid)
+ if config.quota:
+ quota = config.quota
+ else:
+ quota = mds_db.get_val('quota', config.quota)
self.obd_uuid = fs.get_first_ref('obd')
- self.mgmt_uuid = fs.get_first_ref('mgmt')
obd = self.db.lookup(self.obd_uuid)
client_uuid = generate_client_uuid(self.name)
- self.vosc = VOSC(obd, client_uuid, self.name)
- if self.vosc.need_mdc():
- self.add_lustre_module('mdc', 'mdc')
- self.mdc = get_mdc(db, client_uuid, self.name, self.mds_uuid)
+ self.vosc = VOSC(obd, client_uuid, self.name, quota=quota)
+ self.mdc = get_mdc(db, client_uuid, self.name, self.mds_uuid)
+
+ self.add_lustre_module('mdc', 'mdc')
self.add_lustre_module('llite', 'llite')
- if self.mgmt_uuid:
- self.mgmtcli = ManagementClient(db.lookup(self.mgmt_uuid),
- client_uuid)
- else:
- self.mgmtcli = None
def prepare(self):
if fs_is_mounted(self.path):
log(self.path, "already mounted.")
return
- run_acceptors()
- if self.mgmtcli:
- self.mgmtcli.prepare()
self.vosc.prepare()
- if self.vosc.need_mdc():
- self.mdc.prepare()
- mdc_name = self.mdc.name
- else:
- mdc_name = self.vosc.get_mdc_name()
- if not mdc_name:
- self.vosc.cleanup()
- panic("Unable to determine MDC name. Probably need to cleanup before re-mounting.")
+ self.mdc.prepare()
+ mdc_name = self.mdc.name
+
self.info(self.path, self.mds_uuid, self.obd_uuid)
- if config.lctl_dump:
- cmd = "osc=%s,mdc=%s" % (self.vosc.get_name(), mdc_name)
- lctl.mount_option(cmd)
+ if config.record or config.lctl_dump:
+ lctl.mount_option(local_node_name, self.vosc.get_name(), mdc_name)
return
- cmd = "mount -t lustre_lite -o osc=%s,mdc=%s %s %s" % \
- (self.vosc.get_name(), mdc_name, config.config, self.path)
+
+ if config.clientoptions:
+ if self.clientoptions:
+ self.clientoptions = self.clientoptions + ',' + config.clientoptions
+ else:
+ self.clientoptions = config.clientoptions
+ if self.clientoptions:
+ self.clientoptions = ',' + self.clientoptions
+ # Linux kernel will deal with async and not pass it to ll_fill_super,
+ # so replace it with Lustre async
+ self.clientoptions = string.replace(self.clientoptions, "async", "lasync")
+
+ cmd = "mount -t lustre_lite -o osc=%s,mdc=%s%s %s %s" % \
+ (self.vosc.get_name(), mdc_name, self.clientoptions, config.config, self.path)
run("mkdir", self.path)
ret, val = run(cmd)
if ret:
+ self.mdc.cleanup()
self.vosc.cleanup()
- if self.vosc.need_mdc():
- self.mdc.cleanup()
panic("mount failed:", self.path, ":", string.join(val))
def cleanup(self):
self.info(self.path, self.mds_uuid,self.obd_uuid)
- if fs_is_mounted(self.path):
- if config.force:
- (rc, out) = run("umount", "-f", self.path)
- else:
- (rc, out) = run("umount", self.path)
- if rc:
- raise CommandError('umount', out, rc)
- if fs_is_mounted(self.path):
- panic("fs is still mounted:", self.path)
+ if config.record or config.lctl_dump:
+ lctl.del_mount_option(local_node_name)
+ else:
+ if fs_is_mounted(self.path):
+ if config.force:
+ (rc, out) = run("umount", "-f", self.path)
+ else:
+ (rc, out) = run("umount", self.path)
+ if rc:
+ raise CommandError('umount', out, rc)
+ if fs_is_mounted(self.path):
+ panic("fs is still mounted:", self.path)
+
+ self.mdc.cleanup()
self.vosc.cleanup()
- if self.vosc.need_mdc():
- self.mdc.cleanup()
- if self.mgmtcli:
- self.mgmtcli.cleanup()
def load_module(self):
- if self.mgmtcli:
- self.mgmtcli.load_module()
self.vosc.load_module()
Module.load_module(self)
def cleanup_module(self):
Module.cleanup_module(self)
self.vosc.cleanup_module()
- if self.mgmtcli:
- self.mgmtcli.cleanup_module()
# ============================================================
" node_ref:", node_uuid)
for net_uuid in node.get_networks():
db = node.lookup(net_uuid)
- srv_list.append(Network(db))
+ net = Network(db, node_uuid)
+ srv_list.append(net)
return srv_list
-# the order of iniitailization is based on level.
+# the order of iniitailization is based on level.
def getServiceLevel(self):
type = self.get_class()
ret=0;
if type in ('network',):
ret = 5
- elif type in ('routetbl',):
- ret = 6
elif type in ('ldlm',):
ret = 20
- elif type in ('mgmt',):
- ret = 25
elif type in ('osd', 'cobd'):
ret = 30
elif type in ('mdsdev',):
panic("Unknown type: ", type)
if ret < config.minlevel or ret > config.maxlevel:
- ret = 0
+ ret = 0
return ret
#
# [(level, db_object),]
def getServices(self):
list = []
- for ref_class, ref_uuid in self.get_all_refs():
+ for ref_class, ref_uuid in self.get_all_refs():
servdb = self.lookup(ref_uuid)
if servdb:
level = getServiceLevel(servdb)
############################################################
-# MDC UUID hack -
+# MDC UUID hack -
# FIXME: clean this mess up!
#
# OSC is no longer in the xml, so we have to fake it.
mdc = MDC(mds_db, uuid, fs_name)
return mdc
-############################################################
-# routing ("rooting")
-
-# list of (nettype, cluster_id, nid)
-local_clusters = []
-
-def find_local_clusters(node_db):
- global local_clusters
- for netuuid in node_db.get_networks():
- net = node_db.lookup(netuuid)
- srv = Network(net)
- debug("add_local", netuuid)
- local_clusters.append((srv.net_type, srv.cluster_id, srv.nid))
- if srv.port > 0:
- if acceptors.has_key(srv.port):
- panic("duplicate port:", srv.port)
- acceptors[srv.port] = AcceptorHandler(srv.port, srv.net_type,
- srv.send_mem, srv.recv_mem,
- srv.irq_affinity,
- srv.nid_exchange)
-
-# This node is a gateway.
-is_router = 0
-def node_is_router():
- return is_router
-
-# If there are any routers found in the config, then this will be true
-# and all nodes will load kptlrouter.
-needs_router = 0
-def node_needs_router():
- return needs_router or is_router
-
-# list of (nettype, gw, tgt_cluster_id, lo, hi)
-# Currently, these local routes are only added to kptlrouter route
-# table if they are needed to connect to a specific server. This
-# should be changed so all available routes are loaded, and the
-# ptlrouter can make all the decisions.
-local_routes = []
-
-def find_local_routes(lustre):
- """ Scan the lustre config looking for routers . Build list of
- routes. """
- global local_routes, needs_router
- local_routes = []
- list = lustre.lookup_class('node')
- for router in list:
- if router.get_val_int('router', 0):
- needs_router = 1
- for (local_type, local_cluster_id, local_nid) in local_clusters:
- gw = None
- for netuuid in router.get_networks():
- db = router.lookup(netuuid)
- if (local_type == db.get_val('nettype') and
- local_cluster_id == db.get_val('clusterid')):
- gw = db.get_val('nid')
- break
- if gw:
- debug("find_local_routes: gw is", gw)
- for route in router.get_local_routes(local_type, gw):
- local_routes.append(route)
- debug("find_local_routes:", local_routes)
-
-
-def choose_local_server(srv_list):
- for srv in srv_list:
- if local_cluster(srv.net_type, srv.cluster_id):
- return srv
-
-def local_cluster(net_type, cluster_id):
- for cluster in local_clusters:
- if net_type == cluster[0] and cluster_id == cluster[1]:
- return 1
- return 0
-
-def local_interface(net_type, cluster_id, nid):
- for cluster in local_clusters:
- if (net_type == cluster[0] and cluster_id == cluster[1]
- and nid == cluster[2]):
- return 1
- return 0
-
-def find_route(srv_list):
- frm_type = local_clusters[0][0]
- for srv in srv_list:
- debug("find_route: srv:", srv.nid, "type: ", srv.net_type)
- to_type = srv.net_type
- to = srv.nid
- cluster_id = srv.cluster_id
- debug ('looking for route to', to_type, to)
- for r in local_routes:
- debug("find_route: ", r)
- if (r[3] <= to and to <= r[4]) and cluster_id == r[2]:
- return srv, r
- return None,None
-
def get_active_target(db):
target_uuid = db.getUUID()
target_name = db.getName()
tgt_dev_uuid = db.get_first_ref('active')
return tgt_dev_uuid
+def get_server_by_nid_uuid(db, nid_uuid):
+ for n in db.lookup_class("network"):
+ net = Network(n)
+ if net.nid_uuid == nid_uuid:
+ return net
+
############################################################
# lconf level logic
n = LOV(db, "YOU_SHOULD_NEVER_SEE_THIS_UUID")
elif type == 'network':
n = Network(db)
- elif type == 'routetbl':
- n = RouteTable(db)
elif type == 'osd':
n = OSD(db)
elif type == 'cobd':
n = Mountpoint(db)
elif type == 'echoclient':
n = ECHO_CLIENT(db)
- elif type == 'mgmt':
- n = Management(db)
else:
- panic ("unknown service type:", type)
+ panic("unknown service type:", type)
return n
#
# Prepare the system to run lustre using a particular profile
-# in a the configuration.
+# in a the configuration.
# * load & the modules
# * setup networking for the current node
# * make sure partitions are in place and prepared
for prof_uuid in prof_list:
prof_db = db.lookup(prof_uuid)
if not prof_db:
- panic("profile:", profile, "not found.")
+ panic("profile:", prof_uuid, "not found.")
services = getServices(prof_db)
operation(services)
-
+
+def doWriteconf(services):
+ if config.nosetup:
+ return
+ have_mds = 0
+ for s in services:
+ if s[1].get_class() == 'mdsdev':
+ n = newService(s[1])
+ n.write_conf()
+ have_mds = 1
+ if have_mds == 0:
+ panic("Cannot find mds device, please run --write_conf on the mds node.")
+
+
def doSetup(services):
if config.nosetup:
return
for s in services:
n = newService(s[1])
n.prepare()
-
+
def doModules(services):
if config.nomod:
return
if n.safe_to_clean_modules():
n.cleanup_module()
+def doMakeServiceScript(services):
+ if config.nosetup:
+ return
+ try:
+ os.makedirs(config.service_scripts)
+ except OSError, e:
+ if e[0] != errno.EEXIST:
+ panic("Couldn't create scripts dir " + config.service_scripts + ": " + e[1])
+
+ for s in services:
+ if s[1].get_class() != 'osd' and s[1].get_class() != 'mdsdev':
+ continue
+
+ target_uuid = s[1].get_first_ref('target')
+ target = toplustreDB.lookup(target_uuid)
+ target_symlink = config.service_scripts + "/" + target.getName()
+ if config.force:
+ try:
+ try:
+ os.unlink(target_symlink)
+ if config.verbose:
+ print "Removed " + target_symlink
+ except OSError, e:
+ if e[0] != errno.EISDIR:
+ raise e
+ os.rmdir(target_symlink)
+ if config.verbose:
+ print "Removed " + target_symlink
+ except OSError, e:
+ if e[0] != errno.ENOENT:
+ panic("Error removing " + target_symlink + ": " + e[1])
+
+ try:
+ os.symlink("/etc/init.d/lustre", target_symlink)
+ if config.verbose:
+ print "Created service link " + target_symlink + " to /etc/init.d/lustre"
+
+ except OSError, e:
+ if e[0] == errno.EEXIST:
+ extra_error = " (use --force option to remove existing files)"
+ else:
+ extra_error = ""
+ panic("Error creating " + target_symlink + ": " + e[1] + extra_error)
+
+# Check mtime of config logs
+def doCheckMtime(lustreDB, hosts):
+ for h in hosts:
+ node_db = lustreDB.lookup_name(h, 'node')
+ if node_db:
+ break
+ if not node_db:
+ return
+
+ mdsdb = 0
+ prof_list = node_db.get_refs('profile')
+ for prof_uuid in prof_list:
+ prof_db = node_db.lookup(prof_uuid)
+ if prof_db:
+ services = getServices(prof_db)
+ for s in services:
+ if s[1].get_class() == 'mdsdev':
+ mdsdb = s[1]
+ break
+
+ if mdsdb and lustreDB.get_mtime():
+ debug("Checking XML modification time")
+ devpath = mdsdb.get_val('devpath','')
+ xmtime = string.atol(lustreDB.get_mtime())
+ cmd = "debugfs -c -R 'stat /LOGS' %s 2>&1 | grep mtime" %devpath
+ ret, kmtimes = runcmd(cmd)
+ if ret:
+ log("Can not get mtime info of MDS LOGS directory")
+ else:
+ kmtime = string.atoi(string.split(kmtimes[0])[1], 0)
+ if xmtime > kmtime:
+ debug('xmtime ', xmtime, '> kmtime', kmtime)
+ if config.old_conf:
+ log("Warning: MDS startup logs are older than config %s."
+ " Please run --write_conf on stopped MDS to update."
+ %CONFIG_FILE)
+ else:
+ panic("Error: MDS startup logs are older than config %s."
+ " Please run --write_conf on stopped MDS to update."
+ " Use '--old_conf' to start anyways." %CONFIG_FILE)
+ return
+
#
-# Load profile for
+# Load profile for
def doHost(lustreDB, hosts):
- global is_router
+ global local_node_name, tgt_select
node_db = None
for h in hosts:
node_db = lustreDB.lookup_name(h, 'node')
if node_db:
+ if config.service:
+ tgt_select[config.service] = h
+ config.group = config.service
break
if not node_db:
- print 'No host entry found.'
- return
+ panic('No host entry found.')
- is_router = node_db.get_val_int('router', 0)
+ local_node_name = node_db.get_val('name', 0)
lustre_upcall = node_db.get_val('lustreUpcall', '')
portals_upcall = node_db.get_val('portalsUpcall', '')
timeout = node_db.get_val_int('timeout', 0)
-
- find_local_clusters(node_db)
- if not is_router:
- find_local_routes(lustreDB)
+ ptldebug = node_db.get_val('ptldebug', '')
+ subsystem = node_db.get_val('subsystem', '')
# Two step process: (1) load modules, (2) setup lustre
# if not cleaning, load modules first.
prof_list = node_db.get_refs('profile')
- if config.recover:
+ if config.make_service_scripts:
+ for_each_profile(node_db, prof_list, doMakeServiceScript)
+ return
+
+ elif config.write_conf:
+ for_each_profile(node_db, prof_list, doModules)
+ for_each_profile(node_db, prof_list, doWriteconf)
+ for_each_profile(node_db, prof_list, doUnloadModules)
+ lustreDB.close()
+
+ elif config.recover:
if not (config.tgt_uuid and config.client_uuid and config.conn_uuid):
raise Lustre.LconfError( "--recovery requires --tgt_uuid <UUID> " +
"--client_uuid <UUID> --conn_uuid <UUID>")
doRecovery(lustreDB, lctl, config.tgt_uuid, config.client_uuid,
config.conn_uuid)
elif config.cleanup:
- if config.force:
- # the command line can override this value
- timeout = 5
+ if not mod_loaded('lnet'):
+ return
+
# ugly hack, only need to run lctl commands for --dump
- if config.lctl_dump:
+ if config.lctl_dump or config.record:
for_each_profile(node_db, prof_list, doCleanup)
return
- sys_set_timeout(timeout)
- sys_set_ptldebug()
- sys_set_subsystem()
+ sys_set_ptldebug(ptldebug)
+ sys_set_subsystem(subsystem)
sys_set_lustre_upcall(lustre_upcall)
sys_set_portals_upcall(portals_upcall)
for_each_profile(node_db, prof_list, doCleanup)
for_each_profile(node_db, prof_list, doUnloadModules)
+ lustreDB.close()
else:
# ugly hack, only need to run lctl commands for --dump
- if config.lctl_dump:
+ if config.lctl_dump or config.record:
+ sys_set_timeout(timeout)
+ sys_set_lustre_upcall(lustre_upcall)
for_each_profile(node_db, prof_list, doSetup)
return
- sys_make_devices()
- sys_set_netmem_max('/proc/sys/net/core/rmem_max', MAXTCPBUF)
- sys_set_netmem_max('/proc/sys/net/core/wmem_max', MAXTCPBUF)
+ if PLATFORM == 'LINUX':
+ sys_set_netmem_max('/proc/sys/net/core/rmem_max', MAXTCPBUF)
+ sys_set_netmem_max('/proc/sys/net/core/wmem_max', MAXTCPBUF)
for_each_profile(node_db, prof_list, doModules)
- sys_set_debug_path()
- sys_set_ptldebug()
- sys_set_subsystem()
+ if PLATFORM == 'LINUX':
+ # XXX need to be fixed for Darwin
+ sys_set_debug_path()
+ sys_set_ptldebug(ptldebug)
+ sys_set_subsystem(subsystem)
script = config.gdb_script
run(lctl.lctl, ' modules >', script)
if config.gdb:
sys_set_portals_upcall(portals_upcall)
for_each_profile(node_db, prof_list, doSetup)
+ lustreDB.close()
+
+def add_clumanager_node(node_db, nodes, services):
+ new_services = []
+ node_name = node_db.getUUID()
+ nodes[node_name] = []
+
+ for prof_uuid in node_db.get_refs('profile'):
+ prof_db = toplustreDB.lookup(prof_uuid)
+ for ref_class, ref_uuid in prof_db.get_all_refs():
+ if ref_class not in ('osd', 'mdsdev'):
+ continue
+ devdb = toplustreDB.lookup(ref_uuid)
+ tgt_uuid = devdb.get_first_ref('target')
+
+ nodes[node_name].append(ref_uuid)
+
+ if not services.has_key(tgt_uuid):
+ if config.verbose:
+ print "New service: " + tgt_uuid + " (originally found on " + node_name + ")"
+ new_services.append(tgt_uuid)
+ services[tgt_uuid] = []
+ services[tgt_uuid].append(ref_uuid)
+
+ return new_services
+
+def add_clumanager_services(new_services, nodes, dev_list):
+ new_nodes = []
+ for devdb in dev_list:
+ tgt_uuid = devdb.get_first_ref('target')
+ if tgt_uuid in new_services:
+ node_uuid = devdb.get_first_ref('node')
+
+ if not (nodes.has_key(node_uuid) or node_uuid in new_nodes):
+ if config.verbose:
+ print "New node: " + node_uuid + " for service " + tgt_uuid
+ new_nodes.append(node_uuid)
+
+ return new_nodes
+
+def doClumanager(lustreDB, hosts):
+ nodes = {}
+ services = {}
-def doRecovery(db, lctl, tgt_uuid, client_uuid, conn_uuid):
- tgt = db.lookup(tgt_uuid)
+ dev_list = []
+
+ for dev_uuid in toplustreDB.get_refs('osd') + toplustreDB.get_refs('mdsdev'):
+ dev_list.append(lustreDB.lookup(dev_uuid))
+
+ node_db = None
+ for h in hosts:
+ node_db = lustreDB.lookup_name(h, 'node')
+ if node_db:
+ our_host = h
+ new_services = add_clumanager_node(node_db, nodes, services)
+ break
+
+ if not node_db:
+ panic('No host entry found.')
+
+ while 1:
+ if len(new_services) == 0:
+ break
+
+ new_nodes = add_clumanager_services(new_services, nodes, dev_list)
+ if len(new_nodes) == 0:
+ break
+
+ if len(new_nodes) + len(nodes.keys()) > 8:
+ panic("CluManager only supports 8 nodes per failover \"cluster.\"")
+
+ new_services = []
+ for node_uuid in new_nodes:
+ node_db = lustreDB.lookup(node_uuid)
+ if not node_db:
+ panic("No node entry for " + node_uuid + " was found.")
+
+ new_services.append(add_clumanager_node(node_db, nodes, services))
+
+ nodenames = []
+ for node in nodes.keys():
+ nodedb = lustreDB.lookup(node)
+ nodenames.append(nodedb.getName())
+ nodenames.sort()
+
+ print """<?xml version="1.0"?>
+<cluconfig version="3.0">
+ <clumembd broadcast="no" interval="750000" loglevel="5" multicast="yes" multicast_ipaddress="225.0.0.11" thread="yes" tko_count="20"/>
+ <cluquorumd loglevel="5" pinginterval="2"/>
+ <clurmtabd loglevel="5" pollinterval="4"/>
+ <clusvcmgrd loglevel="5"/>
+ <clulockd loglevel="5"/>
+ <cluster config_viewnumber="1" name="%s"/>
+ <sharedstate driver="libsharedraw.so" rawprimary="%s" rawshadow="%s" type="raw"/>
+ <members> """ % (string.join(nodenames), config.rawprimary, config.rawsecondary)
+
+
+ i = 0
+ for node in nodenames:
+ print " <member id=\"%d\" name=\"%s\" watchdog=\"yes\"/>" % (i, node)
+ i = i + 1
+
+ print " </members>\n <failoverdomains>"
+
+ servicekeys = services.keys()
+ servicekeys.sort()
+
+ i = 0
+ for service in servicekeys:
+ svcdb = lustreDB.lookup(service)
+ print " <failoverdomain id=\"%d\" name=\"%s\" ordered=\"yes\" restricted=\"yes\">" % (i, svcdb.getName())
+ i = i + 1
+
+ j = 0
+ active_uuid = get_active_target(svcdb)
+ for svc_uuid in [active_uuid] + services[service]:
+ if svc_uuid == active_uuid and j > 0:
+ continue
+ svcdb = lustreDB.lookup(svc_uuid)
+
+ svc_node_uuid = svcdb.get_first_ref('node')
+ svc_nodedb = lustreDB.lookup(svc_node_uuid)
+
+ print " <failoverdomainnode id=\"%d\" name=\"%s\"/>" % (j, svc_nodedb.getName())
+ j = j + 1
+
+ print " </failoverdomain>"
+
+ print " </failoverdomains>\n <services>"
+
+ i = 0
+ for service in servicekeys:
+ svcdb = lustreDB.lookup(service)
+ active_uuid = get_active_target(svcdb)
+ activedb = lustreDB.lookup(active_uuid)
+
+ svc_node_uuid = activedb.get_first_ref('node')
+ svc_nodedb = lustreDB.lookup(svc_node_uuid)
+
+ print " <service checkinterval=\"30\" failoverdomain=\"%s\" id=\"%d\" name=\"%s\" userscript=\"%s/%s\">" \
+ % ( svcdb.getName(), i, svcdb.getName(), config.service_scripts, svcdb.getName())
+ print " <service_ipaddresses/>\n </service>"
+ i = i + 1
+
+ print " </services>\n</cluconfig>"
+
+def doRecovery(lustreDB, lctl, tgt_uuid, client_uuid, nid_uuid):
+ tgt = lustreDB.lookup(tgt_uuid)
if not tgt:
raise Lustre.LconfError("doRecovery: "+ tgt_uuid +" not found.")
new_uuid = get_active_target(tgt)
if not new_uuid:
raise Lustre.LconfError("doRecovery: no active target found for: " +
tgt_uuid)
- net = choose_local_server(get_ost_net(db, new_uuid))
- if not net:
+ srv_list = find_local_servers(get_ost_net(lustreDB, new_uuid))
+ if not srv_list[0]:
raise Lustre.LconfError("Unable to find a connection to:" + new_uuid)
- # XXX, better to do a full disconnect here
- log("Reconnecting", tgt_uuid, " to ", net.uuid);
- lctl.del_uuid(conn_uuid)
- lctl.connect(net)
- lctl.recover(client_uuid, net.uuid)
+
+ oldsrv = get_server_by_nid_uuid(lustreDB, nid_uuid)
+ lustreDB.close()
+
+ for srv in srv_list:
+ if oldsrv.net_type != srv.net_type:
+ continue
+
+ log("Reconnecting", tgt_uuid, "to", srv.nid_uuid)
+
+ lctl.recover(client_uuid, srv.nid_uuid)
def setupModulePath(cmd, portals_dir = PORTALS_DIR):
base = os.path.dirname(cmd)
if development_mode():
if not config.lustre:
+ debug('using objdir module paths')
config.lustre = (os.path.join(base, ".."))
# normalize the portals dir, using command line arg if set
if config.portals:
debug('config.portals', config.portals)
elif config.lustre and config.portals:
# production mode
- # if --lustre and --portals, normalize portals
+ # if --lustre and --portals, normalize portals
# can ignore POTRALS_DIR here, since it is probly useless here
config.portals = os.path.join(config.lustre, config.portals)
debug('config.portals B', config.portals)
def sys_set_debug_path():
- sysctl('portals/debug_path', config.debug_path)
+ sysctl('lnet/debug_path', config.debug_path)
+
+def validate_upcall(upcall):
+ import os
+ if upcall in ('DEFAULT','NONE'):
+ pass
+ elif os.path.exists(upcall):
+ if not os.access(upcall, os.X_OK):
+ print "WARNING upcall script not executable: %s" % upcall
+ else:
+ print "WARNING invalid upcall script specified: %s" % upcall
def sys_set_lustre_upcall(upcall):
- # the command overrides the value in the node config
+ # the command line overrides the value in the node config
if config.lustre_upcall:
upcall = config.lustre_upcall
elif config.upcall:
upcall = config.upcall
if upcall:
- sysctl('lustre/upcall', upcall)
+ validate_upcall(upcall)
+ lctl.set_lustre_upcall(upcall)
def sys_set_portals_upcall(upcall):
- # the command overrides the value in the node config
+ # the command line overrides the value in the node config
if config.portals_upcall:
upcall = config.portals_upcall
elif config.upcall:
upcall = config.upcall
if upcall:
- sysctl('portals/upcall', upcall)
+ validate_upcall(upcall)
+ sysctl('lnet/upcall', upcall)
+
+def sys_set_group_upcall(mds, upcall):
+ if config.noexec:
+ return
+ # the command line overrides the value in the MDS config
+ if config.group_upcall:
+ upcall = config.group_upcall
+ if upcall:
+ validate_upcall(upcall)
+ debug("setting MDS", mds, "upcall to:", upcall)
+ path = "/proc/fs/lustre/mds/" + mds + "/group_upcall"
+ fp = open(path, 'w')
+ fp.write(upcall)
+ fp.close()
def sys_set_timeout(timeout):
# the command overrides the value in the node config
- if config.timeout > 0:
+ if config.timeout and config.timeout > 0:
timeout = config.timeout
if timeout != None and timeout > 0:
- sysctl('lustre/timeout', timeout)
-
-def sys_set_ptldebug():
- if config.ptldebug != None:
+ lctl.set_timeout(timeout)
+
+def sys_tweak_socknal ():
+ if config.single_socket:
+ sysctl("socknal/typed", 0)
+
+def sys_optimize_elan ():
+ procfiles = ["/proc/elan/config/eventint_punt_loops",
+ "/proc/qsnet/elan3/config/eventint_punt_loops",
+ "/proc/qsnet/elan4/config/elan4_mainint_punt_loops"]
+ for p in procfiles:
+ if os.access(p, os.W_OK):
+ run ("echo 1 > " + p)
+
+def sys_set_ptldebug(ptldebug):
+ if config.ptldebug:
+ ptldebug = config.ptldebug
+ if ptldebug:
try:
- val = eval(config.ptldebug, ptldebug_names)
- val = "0x%x" % (val,)
- sysctl('portals/debug', val)
+ val = eval(ptldebug, ptldebug_names)
+ val = "0x%x" % (val)
+ sysctl('lnet/debug', val)
except NameError, e:
panic(str(e))
-def sys_set_subsystem():
- if config.subsystem != None:
+def sys_set_subsystem(subsystem):
+ if config.subsystem:
+ subsystem = config.subsystem
+ if subsystem:
try:
- val = eval(config.subsystem, subsystem_names)
- val = "0x%x" % (val,)
- sysctl('portals/subsystem_debug', val)
+ val = eval(subsystem, subsystem_names)
+ val = "0x%x" % (val)
+ sysctl('lnet/subsystem_debug', val)
except NameError, e:
panic(str(e))
return
fp = open(path)
str = fp.readline()
- fp.close
+ fp.close()
cur = int(str)
if max > cur:
fp = open(path, 'w')
fp.write('%d\n' %(max))
fp.close()
-
-
-def sys_make_devices():
- if not os.access('/dev/portals', os.R_OK):
- run('mknod /dev/portals c 10 240')
- if not os.access('/dev/obd', os.R_OK):
- run('mknod /dev/obd c 10 241')
# Add dir to the global PATH, if not already there.
if new_dir in syspath:
return
os.environ['PATH'] = os.environ['PATH'] + ':' + new_dir
-
+
def default_debug_path():
path = '/tmp/lustre-log'
if os.path.isdir('/r'):
else:
return script
-
DEFAULT_PATH = ('/sbin', '/usr/sbin', '/bin', '/usr/bin')
# ensure basic elements are in the system path
def sanitise_path():
# global hack for the --select handling
tgt_select = {}
-def init_select(arg):
- # arg = "service=nodeA,service2=nodeB"
+def init_select(args):
+ # args = [service=nodeA,service2=nodeB service3=nodeC]
+ # --service <service> is analagous to:
+ # --group <service> --select <service>=<node>
+ # this is handled in doHost()
global tgt_select
- if arg:
+ for arg in args:
list = string.split(arg, ',')
for entry in list:
srv, node = string.split(entry, '=')
return None
+FLAG = Lustre.Options.FLAG
PARAM = Lustre.Options.PARAM
INTPARAM = Lustre.Options.INTPARAM
+PARAMLIST = Lustre.Options.PARAMLIST
lconf_options = [
('verbose,v', "Print system commands as they are run"),
('ldapurl',"LDAP server URL, eg. ldap://localhost", PARAM),
('config', "Cluster config name used for LDAP query", PARAM),
- ('select', "service=nodeA,service2=nodeB ", PARAM),
+ ('select', "service=nodeA,service2=nodeB ", PARAMLIST),
+ ('service', "shorthand for --group <service> --select <service>=<node>", PARAM),
('node', "Load config for <nodename>", PARAM),
('cleanup,d', "Cleans up config. (Shutdown)"),
('force,f', "Forced unmounting and/or obd detach during cleanup",
- Lustre.Options.FLAG, 0),
- ('mds_ost_conn', "Open connections to OSTs on the MDS"),
+ FLAG, 0),
+ ('single_socket', "socknal option: only use one socket instead of bundle",
+ FLAG, 0),
('failover',"""Used to shut down without saving state.
This will allow this node to "give up" a service to a
another node for failover purposes. This will not
be a clean shutdown.""",
- Lustre.Options.FLAG, 0),
+ FLAG, 0),
+ ('abort_recovery',"""Used to start a service when you know recovery
+ will not succeed. This will skip the recovery
+ timeout period."""),
('gdb', """Prints message after creating gdb module script
and sleeps for 5 seconds."""),
('noexec,n', """Prints the commands and steps that will be run for a
('nomod', "Skip load/unload module step."),
('nosetup', "Skip device setup/cleanup step."),
('reformat', "Reformat all devices (without question)"),
+ ('mkfsoptions', "Additional options for the mk*fs command line", PARAM),
+ ('mountfsoptions', "Additional options for mount fs command line", PARAM),
+ ('clientoptions', "Additional options for Lustre", PARAM),
('dump', "Dump the kernel debug log to file before portals is unloaded",
PARAM),
+ ('write_conf', "Save all the client config information on mds."),
+ ('old_conf', "Start up service even though config logs appear outdated."),
+ ('record', "Write config information on mds."),
+ ('record_log', "Name of config record log.", PARAM),
+ ('record_device', "MDS device name that will record the config commands",
+ PARAM),
('minlevel', "Minimum level of services to configure/cleanup",
INTPARAM, 0),
- ('maxlevel', """Maximum level of services to configure/cleanup
+ ('maxlevel', """Maximum level of services to configure/cleanup
Levels are aproximatly like:
10 - network
20 - device, ldlm
cause lconf to load modules from a source tree.""", PARAM),
('portals', """Portals source directory. If this is a relative path,
then it is assumed to be relative to lustre. """, PARAM),
- ('timeout', "Set recovery timeout", PARAM),
+ ('timeout', "Set recovery timeout", INTPARAM),
('upcall', "Set both portals and lustre upcall script", PARAM),
('lustre_upcall', "Set lustre upcall script", PARAM),
('portals_upcall', "Set portals upcall script", PARAM),
+ ('group_upcall', "Set supplementary group upcall program", PARAM),
('lctl_dump', "Save lctl ioctls to the dumpfile argument", PARAM),
('ptldebug', "Set the portals debug level", PARAM),
('subsystem', "Set the portals debug subsystem", PARAM),
('gdb_script', "Fullname of gdb debug script", PARAM, default_gdb_script()),
('debug_path', "Path to save debug dumps", PARAM, default_debug_path()),
+ ('allow_unprivileged_port', "Allow connections from unprivileged ports"),
+ ('clumanager', "Generate CluManager config file for this node's cluster"),
+ ('rawprimary', "For clumanager, device of the primary quorum", PARAM, "/dev/raw/raw1"),
+ ('rawsecondary', "For clumanager, device of the secondary quorum", PARAM, "/dev/raw/raw2"),
+ ('service_scripts', "For clumanager, directory containing per-service scripts", PARAM, "/etc/lustre/services"),
+ ('make_service_scripts', "Create per-service symlinks for use with clumanager"),
# Client recovery options
('recover', "Recover a device"),
- ('group', "The group of devices to configure or cleanup", PARAM),
+ ('group,g', "The group of devices to configure or cleanup", PARAM),
('tgt_uuid', "The failed target (required for recovery)", PARAM),
('client_uuid', "The failed client (required for recovery)", PARAM),
('conn_uuid', "The failed connection (required for recovery)", PARAM),
- ]
+
+ ('inactive', """The name of an inactive service, to be ignored during
+ mounting (currently OST-only). Can be repeated.""",
+ PARAMLIST),
+ ('user_xattr', """Enable user_xattr support on MDS""", FLAG, 0),
+ ('acl', """Enable ACL support on MDS""", FLAG, 0),
+ ('quota', "Enable quota support for client file system", PARAM),
+ ]
def main():
- global lctl, config, toplevel
+ global lctl, config, toplustreDB, CONFIG_FILE
# in the upcall this is set to SIG_IGN
signal.signal(signal.SIGCHLD, signal.SIG_DFL)
-
+
cl = Lustre.Options("lconf", "config.xml", lconf_options)
try:
config, args = cl.parse(sys.argv[1:])
random.seed(seed)
sanitise_path()
-
+
init_select(config.select)
if len(args) > 0:
- if not os.access(args[0], os.R_OK):
+ # allow config to be fetched via HTTP, but only with python2
+ if sys.version[0] != '1' and args[0].startswith('http://'):
+ import urllib2
+ try:
+ config_file = urllib2.urlopen(args[0])
+ except (urllib2.URLError, socket.error), err:
+ if hasattr(err, 'args'):
+ err = err.args[1]
+ print "Could not access '%s': %s" %(args[0], err)
+ sys.exit(1)
+ elif not os.access(args[0], os.R_OK):
print 'File not found or readable:', args[0]
sys.exit(1)
+ else:
+ # regular file
+ config_file = open(args[0], 'r')
try:
- dom = xml.dom.minidom.parse(args[0])
+ dom = xml.dom.minidom.parse(config_file)
except Exception:
panic("%s does not appear to be a config file." % (args[0]))
sys.exit(1) # make sure to die here, even in debug mode.
- db = Lustre.LustreDB_XML(dom.documentElement, dom.documentElement)
+ config_file.close()
+ CONFIG_FILE = args[0]
+ lustreDB = Lustre.LustreDB_XML(dom.documentElement, dom.documentElement)
if not config.config:
config.config = os.path.basename(args[0])# use full path?
if config.config[-4:] == '.xml':
if not config.config:
panic("--ldapurl requires --config name")
dn = "config=%s,fs=lustre" % (config.config)
- db = Lustre.LustreDB_LDAP('', {}, base=dn, url = config.ldapurl)
+ lustreDB = Lustre.LustreDB_LDAP('', {}, base=dn, url = config.ldapurl)
+ elif config.ptldebug or config.subsystem:
+ sys_set_ptldebug(None)
+ sys_set_subsystem(None)
+ sys.exit(0)
else:
print 'Missing config file or ldap URL.'
print 'see lconf --help for command summary'
sys.exit(1)
- toplevel = db
+ if config.reformat and config.cleanup:
+ panic("Options \"reformat\" and \"cleanup\" are incompatible. "+
+ "Please specify only one.")
+
+ toplustreDB = lustreDB
- ver = db.get_version()
+ ver = lustreDB.get_version()
if not ver:
panic("No version found in config data, please recreate.")
if ver != Lustre.CONFIG_VERSION:
else:
if len(host) > 0:
node_list.append(host)
- node_list.append('localhost')
+# node_list.append('localhost')
debug("configuring for host: ", node_list)
if config.lctl_dump:
lctl.use_save_file(config.lctl_dump)
- doHost(db, node_list)
+ if not (config.reformat or config.write_conf or config.cleanup):
+ doCheckMtime(lustreDB, node_list)
+
+ if config.record:
+ if not (config.record_device and config.record_log):
+ panic("When recording, both --record_log and --record_device must be specified.")
+ lctl.clear_log(config.record_device, config.record_log)
+ lctl.record(config.record_device, config.record_log)
+
+ if config.clumanager:
+ doClumanager(lustreDB, node_list)
+ else:
+ doHost(lustreDB, node_list)
+
+ if config.record:
+ lctl.end_record()
if __name__ == "__main__":
try:
sys.exit(1)
except CommandError, e:
e.dump()
- sys.exit(e.rc)
+ rc = e.rc
+ if rc == 0:
+ rc = 1
+ sys.exit(rc)
if first_cleanup_error:
sys.exit(first_cleanup_error)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff