/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2002 Cluster File Systems, Inc.
- * Author: Robert Read <rread@clusterfs.com>
- * Author: Nathan Rutman <nathan@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * 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.
+ * 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.
*
- * 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 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
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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
*
+ * 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 2008 Sun Microsystems, Inc. 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.
+ *
+ * lustre/utils/mount_lustre.c
+ *
+ * Author: Robert Read <rread@clusterfs.com>
+ * Author: Nathan Rutman <nathan@clusterfs.com>
*/
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE
+#endif
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/mount.h>
#include <mntent.h>
#include <getopt.h>
-#include <sys/utsname.h>
-
-#include <linux/lustre_disk.h>
-//#include <portals/ptlctl.h>
#include "obdctl.h"
-
-int verbose;
-int nomtab;
-int fake;
-int force;
-static char *progname = NULL;
+#include <lustre_ver.h>
+#include <glob.h>
+#include <ctype.h>
+#include <limits.h>
+#include "mount_utils.h"
+
+#define MAX_HW_SECTORS_KB_PATH "queue/max_hw_sectors_kb"
+#define MAX_SECTORS_KB_PATH "queue/max_sectors_kb"
+#define MAX_RETRIES 99
+
+int verbose = 0;
+int nomtab = 0;
+int fake = 0;
+int force = 0;
+int retry = 0;
+char *progname = NULL;
void usage(FILE *out)
{
- fprintf(out, "usage: %s <mdsnode>:/<mdsname>/<cfgname> <mountpt> "
- "[-fhnv] [-o mntopt]\n", progname);
- fprintf(out, "\t<mdsnode>: nid of MDS (config) node\n"
- "\t<mdsname>: name of MDS service (e.g. mds1)\n"
- "\t<cfgname>: name of client config (e.g. client)\n"
+ fprintf(out, "%s v"LUSTRE_VERSION_STRING"\n", progname);
+ fprintf(out, "\nThis mount helper should only be invoked via the "
+ "mount (8) command,\ne.g. mount -t lustre dev dir\n\n");
+ fprintf(out, "usage: %s [-fhnv] [-o <mntopt>] <device> <mountpt>\n",
+ progname);
+ fprintf(out,
+ "\t<device>: the disk device, or for a client:\n"
+ "\t\t<mgmtnid>[:<altmgtnid>...]:/<filesystem>-client\n"
+ "\t<filesystem>: name of the Lustre filesystem (e.g. lustre1)\n"
"\t<mountpt>: filesystem mountpoint (e.g. /mnt/lustre)\n"
"\t-f|--fake: fake mount (updates /etc/mtab)\n"
"\t--force: force mount even if already in /etc/mtab\n"
"\t-h|--help: print this usage message\n"
"\t-n|--nomtab: do not update /etc/mtab after mount\n"
- "\t-v|--verbose: print verbose config settings\n");
+ "\t-v|--verbose: print verbose config settings\n"
+ "\t<mntopt>: one or more comma separated of:\n"
+ "\t\t(no)flock,(no)user_xattr,(no)acl\n"
+ "\t\tnosvc: only start MGC/MGS obds\n"
+ "\t\tnomgs: only start target obds, using existing MGS\n"
+ "\t\texclude=<ostname>[:<ostname>] : colon-separated list of "
+ "inactive OSTs (e.g. lustre-OST0001)\n"
+ "\t\tretry=<num>: number of times mount is retried by client\n"
+ );
exit((out != stdout) ? EINVAL : 0);
}
-static int load_module(char *module_name)
-{
- char buf[256];
- int rc;
-
- if (verbose)
- printf("loading %s\n", module_name);
- sprintf(buf, "/sbin/modprobe %s", module_name);
- rc = system(buf);
- if (rc) {
- fprintf(stderr, "%s: failed to modprobe %s: %s\n",
- progname, module_name, strerror(errno));
- fprintf(stderr, "Check /etc/modules.conf\n");
- }
- return rc;
-}
-
-static int load_modules()
-{
- int rc = 0;
-
- rc = load_module("lustre");
- rc = load_module("mds");
- rc = load_module("ost");
- return rc;
-}
-
static int check_mtab_entry(char *spec, char *mtpt, char *type)
{
FILE *fp;
struct mntent *mnt;
- if (force)
- return (0);
-
fp = setmntent(MOUNTED, "r");
if (fp == NULL)
return(0);
if (strcmp(mnt->mnt_fsname, spec) == 0 &&
strcmp(mnt->mnt_dir, mtpt) == 0 &&
strcmp(mnt->mnt_type, type) == 0) {
- fprintf(stderr, "%s: according to %s %s is "
- "already mounted on %s\n",
- progname, MOUNTED, spec, mtpt);
- return(1); /* or should we return an error? */
+ endmntent(fp);
+ return(EEXIST);
}
}
endmntent(fp);
return rc;
}
+/* Get rid of symbolic hostnames for tcp, since kernel can't do lookups */
+#define MAXNIDSTR 1024
+static char *convert_hostnames(char *s1)
+{
+ char *converted, *s2 = 0, *c;
+ char sep;
+ int left = MAXNIDSTR;
+ lnet_nid_t nid;
+
+ converted = malloc(left);
+ if (converted == NULL) {
+ fprintf(stderr, "out of memory: needed %d bytes\n",
+ MAXNIDSTR);
+ return NULL;
+ }
+ c = converted;
+ while ((left > 0) && (*s1 != '/')) {
+ s2 = strpbrk(s1, ",:");
+ if (!s2)
+ goto out_free;
+ sep = *s2;
+ *s2 = '\0';
+ nid = libcfs_str2nid(s1);
+ *s2 = sep; /* back to original string */
+ if (nid == LNET_NID_ANY)
+ goto out_free;
+ c += snprintf(c, left, "%s%c", libcfs_nid2str(nid), sep);
+ left = converted + MAXNIDSTR - c;
+ s1 = s2 + 1;
+ }
+ snprintf(c, left, "%s", s1);
+ return converted;
+out_free:
+ fprintf(stderr, "%s: Can't parse NID '%s'\n", progname, s1);
+ free(converted);
+ return NULL;
+}
/*****************************************************************************
*
****************************************************************************/
struct opt_map {
const char *opt; /* option name */
- int skip; /* skip in mtab option string */
int inv; /* true if flag value should be inverted */
int mask; /* flag mask value */
};
-/* These flags are parsed by mount, not lustre */
static const struct opt_map opt_map[] = {
- { "defaults", 0, 0, 0 }, /* default options */
- { "rw", 1, 1, MS_RDONLY }, /* read-write */
- { "ro", 0, 0, MS_RDONLY }, /* read-only */
- { "exec", 0, 1, MS_NOEXEC }, /* permit execution of binaries */
- { "noexec", 0, 0, MS_NOEXEC }, /* don't execute binaries */
- { "suid", 0, 1, MS_NOSUID }, /* honor suid executables */
- { "nosuid", 0, 0, MS_NOSUID }, /* don't honor suid executables */
- { "dev", 0, 1, MS_NODEV }, /* interpret device files */
- { "nodev", 0, 0, MS_NODEV }, /* don't interpret devices */
- { "async", 0, 1, MS_SYNCHRONOUS}, /* asynchronous I/O */
- { "auto", 0, 0, 0 }, /* Can be mounted using -a */
- { "noauto", 0, 0, 0 }, /* Can only be mounted explicitly */
- { "nousers", 0, 1, 0 }, /* Forbid ordinary user to mount */
- { "nouser", 0, 1, 0 }, /* Forbid ordinary user to mount */
- { "noowner", 0, 1, 0 }, /* Device owner has no special privs */
- { "_netdev", 0, 0, 0 }, /* Device accessible only via network */
- { NULL, 0, 0, 0 }
+ /*"optname", inv,ms_mask */
+ /* These flags are parsed by mount, not lustre */
+ { "defaults", 0, 0 }, /* default options */
+ { "remount", 0, MS_REMOUNT}, /* remount with different options */
+ { "rw", 1, MS_RDONLY }, /* read-write */
+ { "ro", 0, MS_RDONLY }, /* read-only */
+ { "exec", 1, MS_NOEXEC }, /* permit execution of binaries */
+ { "noexec", 0, MS_NOEXEC }, /* don't execute binaries */
+ { "suid", 1, MS_NOSUID }, /* honor suid executables */
+ { "nosuid", 0, MS_NOSUID }, /* don't honor suid executables */
+ { "dev", 1, MS_NODEV }, /* interpret device files */
+ { "nodev", 0, MS_NODEV }, /* don't interpret devices */
+ { "sync", 0, MS_SYNCHRONOUS}, /* synchronous I/O */
+ { "async", 1, MS_SYNCHRONOUS}, /* asynchronous I/O */
+ { "atime", 1, MS_NOATIME }, /* set file access time on read */
+ { "noatime", 0, MS_NOATIME }, /* do not set file access time on read */
+#ifdef MS_NODIRATIME
+ { "diratime", 1, MS_NODIRATIME }, /* set file access time on read */
+ { "nodiratime",0,MS_NODIRATIME }, /* do not set file access time on read */
+#endif
+#ifdef MS_RELATIME
+ { "relatime", 0, MS_RELATIME }, /* set file access time on read */
+ { "norelatime",1,MS_RELATIME }, /* do not set file access time on read */
+#endif
+ { "auto", 0, 0 }, /* Can be mounted using -a */
+ { "noauto", 0, 0 }, /* Can only be mounted explicitly */
+ { "nousers", 1, 0 }, /* Forbid ordinary user to mount */
+ { "nouser", 1, 0 }, /* Forbid ordinary user to mount */
+ { "noowner", 1, 0 }, /* Device owner has no special privs */
+ { "_netdev", 0, 0 }, /* Device accessible only via network */
+ { NULL, 0, 0 }
};
/****************************************************************************/
+/* 1 = don't pass on to lustre
+ 0 = pass on to lustre */
static int parse_one_option(const char *check, int *flagp)
{
const struct opt_map *opt;
for (opt = &opt_map[0]; opt->opt != NULL; opt++) {
if (strncmp(check, opt->opt, strlen(opt->opt)) == 0) {
- if (opt->inv)
- *flagp &= ~(opt->mask);
- else
- *flagp |= opt->mask;
+ if (opt->mask) {
+ if (opt->inv)
+ *flagp &= ~(opt->mask);
+ else
+ *flagp |= opt->mask;
+ }
return 1;
}
}
+ /* Assume any unknown options are valid and pass them on. The mount
+ will fail if lmd_parse, ll_options or ldiskfs doesn't recognize it.*/
return 0;
}
+/* Replace options with subset of Lustre-specific options, and
+ fill in mount flags */
int parse_options(char *orig_options, int *flagp)
{
- int val;
- char *options, *opt, *opteq;
-
- options = malloc(strlen(orig_options) + 1);
- strcpy(options, orig_options);
+ char *options, *opt, *nextopt, *arg, *val;
+ options = calloc(strlen(orig_options) + 1, 1);
*flagp = 0;
- /* parsing ideas here taken from util-linux/mount/nfsmount.c */
- for (opt = strtok(options, ","); opt; opt = strtok(NULL, ",")) {
- if ((opteq = strchr(opt, '='))) {
- val = atoi(opteq + 1);
- *opteq = '\0';
- /* All the network options have gone :)) */
- fprintf(stderr, "%s: unknown option '%s'. "
- "Ignoring.\n", progname, opt);
- } else {
- if (parse_one_option(opt, flagp))
- continue;
-
- fprintf(stderr, "%s: unknown option '%s'\n",
- progname, opt);
+ nextopt = orig_options;
+ while ((opt = strsep(&nextopt, ","))) {
+ if (!*opt)
+ /* empty option */
+ continue;
+
+ /* Handle retries in a slightly different
+ * manner */
+ arg = opt;
+ val = strchr(opt, '=');
+ if (val != NULL && strncmp(arg, "retry", 5) == 0) {
+ retry = atoi(val + 1);
+ if (retry > MAX_RETRIES)
+ retry = MAX_RETRIES;
+ else if (retry < 0)
+ retry = 0;
+ }
+ else if (parse_one_option(opt, flagp) == 0) {
+ /* pass this on as an option */
+ if (*options)
+ strcat(options, ",");
+ strcat(options, opt);
}
}
+ strcpy(orig_options, options);
free(options);
return 0;
}
+int read_file(char *path, char *buf, int size)
+{
+ FILE *fd;
+
+ fd = fopen(path, "r");
+ if (fd == NULL)
+ return errno;
+
+ fgets(buf, size, fd);
+ fclose(fd);
+ return 0;
+}
+
+int write_file(char *path, char *buf)
+{
+ FILE *fd;
+
+ fd = fopen(path, "w");
+ if (fd == NULL)
+ return errno;
+
+ fputs(buf, fd);
+ fclose(fd);
+ return 0;
+}
+
+/* This is to tune the kernel for good SCSI performance.
+ * For that we set the value of /sys/block/{dev}/queue/max_sectors_kb
+ * to the value of /sys/block/{dev}/queue/max_hw_sectors_kb */
+int set_tunables(char *source, int src_len)
+{
+ glob_t glob_info;
+ struct stat stat_buf;
+ char *chk_major, *chk_minor;
+ char *savept, *dev;
+ char *ret_path;
+ char buf[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
+ char real_path[PATH_MAX] = {'\0'};
+ int i, rc = 0;
+ int major, minor;
+
+ if (!source)
+ return -EINVAL;
+
+ ret_path = realpath(source, real_path);
+ if (ret_path == NULL) {
+ if (verbose)
+ fprintf(stderr, "warning: %s: cannot resolve: %s\n",
+ source, strerror(errno));
+ return -EINVAL;
+ }
+
+ src_len = sizeof(real_path);
+
+ if (strncmp(real_path, "/dev/loop", 9) == 0)
+ return 0;
+
+ if ((real_path[0] != '/') && (strpbrk(real_path, ",:") != NULL))
+ return 0;
+
+ dev = real_path + src_len - 1;
+ while (dev > real_path && (*dev != '/')) {
+ if (isdigit(*dev))
+ *dev = 0;
+ dev--;
+ }
+ snprintf(path, sizeof(path), "/sys/block%s/%s", dev,
+ MAX_HW_SECTORS_KB_PATH);
+ rc = read_file(path, buf, sizeof(buf));
+ if (rc == 0 && (strlen(buf) - 1) > 0) {
+ snprintf(path, sizeof(path), "/sys/block%s/%s", dev,
+ MAX_SECTORS_KB_PATH);
+ rc = write_file(path, buf);
+ if (rc && verbose)
+ fprintf(stderr, "warning: opening %s: %s\n",
+ path, strerror(errno));
+ return rc;
+ }
+
+ if (rc != ENOENT)
+ return rc;
+
+ /* The name of the device say 'X' specified in /dev/X may not
+ * match any entry under /sys/block/. In that case we need to
+ * match the major/minor number to find the entry under
+ * sys/block corresponding to /dev/X */
+ dev = real_path + src_len - 1;
+ while (dev > real_path) {
+ if (isdigit(*dev))
+ *dev = 0;
+ dev--;
+ }
+
+ rc = stat(dev, &stat_buf);
+ if (rc) {
+ if (verbose)
+ fprintf(stderr, "warning: %s, device %s stat failed\n",
+ strerror(errno), dev);
+ return rc;
+ }
+
+ major = major(stat_buf.st_rdev);
+ minor = minor(stat_buf.st_rdev);
+ rc = glob("/sys/block/*", GLOB_NOSORT, NULL, &glob_info);
+ if (rc) {
+ if (verbose)
+ fprintf(stderr, "warning: failed to read entries under "
+ "/sys/block\n");
+ return rc;
+ }
+
+ for (i = 0; i < glob_info.gl_pathc; i++){
+ snprintf(path, sizeof(path), "%s/dev", glob_info.gl_pathv[i]);
+
+ rc = read_file(path, buf, sizeof(buf));
+ if (rc)
+ continue;
+
+ if (buf[strlen(buf) - 1] == '\n')
+ buf[strlen(buf) - 1] = '\0';
+
+ chk_major = strtok_r(buf, ":", &savept);
+ chk_minor = savept;
+ if (major == atoi(chk_major) &&minor == atoi(chk_minor))
+ break;
+ }
+
+ if (i == glob_info.gl_pathc) {
+ if (verbose)
+ fprintf(stderr,"warning: device %s does not match any "
+ "entry under /sys/block\n", real_path);
+ rc = -EINVAL;
+ goto out;
+ }
+
+ snprintf(path, sizeof(path), "%s/%s", glob_info.gl_pathv[i],
+ MAX_HW_SECTORS_KB_PATH);
+ rc = read_file(path, buf, sizeof(buf));
+ if (rc) {
+ if (verbose)
+ fprintf(stderr, "warning: opening %s: %s\n",
+ path, strerror(errno));
+ goto out;
+ }
+
+ if (strlen(buf) - 1 > 0) {
+ snprintf(path, sizeof(path), "%s/%s",
+ glob_info.gl_pathv[i], MAX_SECTORS_KB_PATH);
+ rc = write_file(path, buf);
+ if (rc && verbose)
+ fprintf(stderr, "warning: writing to %s: %s\n",
+ path, strerror(errno));
+ }
+
+out:
+ globfree(&glob_info);
+ return rc;
+}
+
int main(int argc, char *const argv[])
{
- char *source, *target, *options = "", *optcopy;
+ char default_options[] = "";
+ char *usource, *source, *target, *ptr;
+ char *options, *optcopy, *orig_options = default_options;
int i, nargs = 3, opt, rc, flags, optlen;
static struct option long_opt[] = {
{"fake", 0, 0, 'f'},
progname = strrchr(argv[0], '/');
progname = progname ? progname + 1 : argv[0];
- printf("starting %s\n", progname);
-
while ((opt = getopt_long(argc, argv, "fhno:v",
long_opt, NULL)) != EOF){
switch (opt) {
nargs++;
break;
case 'o':
- options = optarg;
+ orig_options = optarg;
nargs++;
break;
case 'v':
++verbose;
- printf("verbose: %d\n", verbose);
nargs++;
break;
default:
usage(stderr);
}
- source = argv[optind];
+ usource = argv[optind];
+ if (!usource) {
+ usage(stderr);
+ }
+
+ source = convert_hostnames(usource);
+ if (!source) {
+ usage(stderr);
+ }
+
target = argv[optind + 1];
+ ptr = target + strlen(target) - 1;
+ while ((ptr > target) && (*ptr == '/')) {
+ *ptr = 0;
+ ptr--;
+ }
if (verbose) {
for (i = 0; i < argc; i++)
printf("arg[%d] = %s\n", i, argv[i]);
- printf("source = %s, target = %s\n", source, target);
+ printf("source = %s (%s), target = %s\n", usource, source, target);
+ printf("options = %s\n", orig_options);
}
- if (!force && check_mtab_entry(source, target, "lustre"))
- return(EEXIST);
-
- rc = parse_options(options, &flags);
+ options = malloc(strlen(orig_options) + 1);
+ if (options == NULL) {
+ fprintf(stderr, "can't allocate memory for options\n");
+ return -1;
+ }
+ strcpy(options, orig_options);
+ rc = parse_options(options, &flags);
if (rc) {
fprintf(stderr, "%s: can't parse options: %s\n",
progname, options);
return(EINVAL);
}
+ if (!force) {
+ rc = check_mtab_entry(usource, target, "lustre");
+ if (rc && !(flags & MS_REMOUNT)) {
+ fprintf(stderr, "%s: according to %s %s is "
+ "already mounted on %s\n",
+ progname, MOUNTED, usource, target);
+ return(EEXIST);
+ }
+ if (!rc && (flags & MS_REMOUNT)) {
+ fprintf(stderr, "%s: according to %s %s is "
+ "not already mounted on %s\n",
+ progname, MOUNTED, usource, target);
+ return(ENOENT);
+ }
+ }
+ if (flags & MS_REMOUNT)
+ nomtab++;
+
rc = access(target, F_OK);
if (rc) {
rc = errno;
return rc;
}
- /* FIXME remove */
- if ((rc = load_modules())) {
- return rc;
- }
-
/* In Linux 2.4, the target device doesn't get passed to any of our
functions. So we'll stick it on the end of the options. */
- optlen = strlen(options) + strlen(",device=") + strlen(target);
+ optlen = strlen(options) + strlen(",device=") + strlen(source) + 1;
optcopy = malloc(optlen);
+ if (optcopy == NULL) {
+ fprintf(stderr, "can't allocate memory to optcopy\n");
+ return -1;
+ }
strcpy(optcopy, options);
- strcat(optcopy, ",device=");
+ if (*optcopy)
+ strcat(optcopy, ",");
+ strcat(optcopy, "device=");
strcat(optcopy, source);
- if (!fake)
- /* flags and target get to lustre_get_sb, but not
- lustre_fill_super. Lustre ignores the flags, but mount
+ if (verbose)
+ printf("mounting device %s at %s, flags=%#x options=%s\n",
+ source, target, flags, optcopy);
+
+ if (!strstr(usource, ":/") && set_tunables(source, strlen(source)) &&
+ verbose)
+ fprintf(stderr, "%s: unable to set tunables for %s"
+ " (may cause reduced IO performance)\n",
+ argv[0], source);
+
+ register_service_tags(usource, source, target);
+
+ if (!fake) {
+ /* flags and target get to lustre_get_sb, but not
+ lustre_fill_super. Lustre ignores the flags, but mount
does not. */
- rc = mount(source, target, "lustre", flags, (void *)optcopy);
+ for (i = 0, rc = -EAGAIN; i <= retry && rc != 0; i++) {
+ rc = mount(source, target, "lustre", flags,
+ (void *)optcopy);
+ if (rc) {
+ if (verbose) {
+ fprintf(stderr, "%s: mount %s at %s "
+ "failed: %s retries left: "
+ "%d\n", basename(progname),
+ usource, target,
+ strerror(errno), retry-i);
+ }
+
+ if (retry) {
+ sleep(1 << max((i/2), 5));
+ }
+ else {
+ rc = errno;
+ }
+ }
+ }
+ }
if (rc) {
- fprintf(stderr, "%s: mount(%s, %s) failed: %s\n", progname,
- source, target, strerror(errno));
+ char *cli;
+
+ rc = errno;
+
+ cli = strrchr(usource, ':');
+ if (cli && (strlen(cli) > 2))
+ cli += 2;
+ else
+ cli = NULL;
+
+ fprintf(stderr, "%s: mount %s at %s failed: %s\n", progname,
+ usource, target, strerror(errno));
if (errno == ENODEV)
fprintf(stderr, "Are the lustre modules loaded?\n"
- "Check /etc/modules.conf and /proc/filesystems\n");
- rc = 32;
+ "Check /etc/modprobe.conf and /proc/filesystems"
+ "\nNote 'alias lustre llite' should be removed"
+ " from modprobe.conf\n");
+ if (errno == ENOTBLK)
+ fprintf(stderr, "Do you need -o loop?\n");
+ if (errno == ENOMEDIUM)
+ fprintf(stderr,
+ "This filesystem needs at least 1 OST\n");
+ if (errno == ENOENT) {
+ fprintf(stderr, "Is the MGS specification correct?\n");
+ fprintf(stderr, "Is the filesystem name correct?\n");
+ fprintf(stderr, "If upgrading, is the copied client log"
+ " valid? (see upgrade docs)\n");
+ }
+ if (errno == EALREADY)
+ fprintf(stderr, "The target service is already running."
+ " (%s)\n", usource);
+ if (errno == ENXIO)
+ fprintf(stderr, "The target service failed to start "
+ "(bad config log?) (%s). "
+ "See /var/log/messages.\n", usource);
+ if (errno == EIO)
+ fprintf(stderr, "Is the MGS running?\n");
+ if (errno == EADDRINUSE)
+ fprintf(stderr, "The target service's index is already "
+ "in use. (%s)\n", usource);
+ if (errno == EINVAL) {
+ fprintf(stderr, "This may have multiple causes.\n");
+ if (cli)
+ fprintf(stderr, "Is '%s' the correct filesystem"
+ " name?\n", cli);
+ fprintf(stderr, "Are the mount options correct?\n");
+ fprintf(stderr, "Check the syslog for more info.\n");
+ }
+
+ /* May as well try to clean up loop devs */
+ if (strncmp(usource, "/dev/loop", 9) == 0) {
+ char cmd[256];
+ sprintf(cmd, "/sbin/losetup -d %s", usource);
+ system(cmd);
+ }
+
} else if (!nomtab) {
- rc = update_mtab_entry(source, target, "lustre", options,0,0,0);
+ rc = update_mtab_entry(usource, target, "lustre", orig_options,
+ 0,0,0);
}
free(optcopy);
+ free(source);
return rc;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff