-#!/bin/sh
+#!/bin/bash
+# vim:expandtab:shiftwidth=4:softtabstop=4:tabstop=4:
+trap 'echo "test-framework exiting on error"' ERR
set -e
+#set -x
-export REFORMAT=""
+
+export REFORMAT=${REFORMAT:-""}
export VERBOSE=false
+export GMNALNID=${GMNALNID:-/usr/sbin/gmlndnid}
+export CATASTROPHE=${CATASTROPHE:-/proc/sys/lnet/catastrophe}
+#export PDSH="pdsh -S -Rssh -w"
# eg, assert_env LUSTRE MDSNODES OSTNODES CLIENTS
assert_env() {
local failed=""
for name in $@; do
- if [ -z "${!name}" ]; then
- echo "$0: $name must be set"
- failed=1
- fi
+ if [ -z "${!name}" ]; then
+ echo "$0: $name must be set"
+ failed=1
+ fi
done
[ $failed ] && exit 1 || true
}
init_test_env() {
export LUSTRE=`absolute_path $LUSTRE`
export TESTSUITE=`basename $0 .sh`
- export XMLCONFIG=${XMLCONFIG:-${TESTSUITE}.xml}
export LTESTDIR=${LTESTDIR:-$LUSTRE/../ltest}
- [ -d /r ] && export ROOT=/r
+ [ -d /r ] && export ROOT=${ROOT:-/r}
export TMP=${TMP:-$ROOT/tmp}
+ export TESTSUITELOG=${TMP}/${TESTSUITE}.log
- export PATH=:$PATH:$LUSTRE/utils:$LUSTRE/tests
- export LLMOUNT=${LLMOUNT:-"llmount"}
- export LCONF=${LCONF:-"lconf"}
- export LMC=${LMC:-"lmc"}
+ export PATH=:$PATH:$LUSTRE/utils:$LUSTRE/utils/gss:$LUSTRE/tests
export LCTL=${LCTL:-"$LUSTRE/utils/lctl"}
- export CHECKSTAT="${CHECKSTAT:-checkstat} "
- export FSYTPE=${FSTYPE:-"ext3"}
+ export LFS=${LFS:-"$LUSTRE/utils/lfs"}
+ [ ! -f "$LCTL" ] && export LCTL=$(which lctl)
+ export LFS=${LFS:-"$LUSTRE/utils/lfs"}
+ [ ! -f "$LFS" ] && export LFS=$(which lfs)
+ export MKFS=${MKFS:-"$LUSTRE/utils/mkfs.lustre"}
+ [ ! -f "$MKFS" ] && export MKFS=$(which mkfs.lustre)
+ export TUNEFS=${TUNEFS:-"$LUSTRE/utils/tunefs.lustre"}
+ [ ! -f "$TUNEFS" ] && export TUNEFS=$(which tunefs.lustre)
+ export CHECKSTAT="${CHECKSTAT:-"checkstat -v"} "
+ export FSYTPE=${FSTYPE:-"ldiskfs"}
+ export NAME=${NAME:-local}
+ export LPROC=/proc/fs/lustre
+ export LGSSD=${LGSSD:-"$LUSTRE/utils/gss/lgssd"}
+ export LSVCGSSD=${LSVCGSSD:-"$LUSTRE/utils/gss/lsvcgssd"}
+ export KRB5DIR=${KRB5DIR:-"/usr/kerberos"}
+ export DIR2
+
+ if [ "$ACCEPTOR_PORT" ]; then
+ export PORT_OPT="--port $ACCEPTOR_PORT"
+ fi
+
+ case "x$SEC" in
+ xkrb5*)
+ echo "Using GSS/krb5 ptlrpc security flavor"
+ export USING_KRB5="y"
+ ;;
+ esac
# Paths on remote nodes, if different
export RLUSTRE=${RLUSTRE:-$LUSTRE}
export RPWD=${RPWD:-$PWD}
+ export I_MOUNTED=${I_MOUNTED:-"no"}
# command line
while getopts "rvf:" opt $*; do
- case $opt in
- f) CONFIG=$OPTARG;;
- r) REFORMAT=--reformat;;
- v) VERBOSE=true;;
- \?) usage;;
- esac
+ case $opt in
+ f) CONFIG=$OPTARG;;
+ r) REFORMAT=--reformat;;
+ v) VERBOSE=true;;
+ \?) usage;;
+ esac
done
-
- # save the name of the config file for the upcall
- echo "XMLCONFIG=$LUSTRE/tests/$XMLCONFIG" > $LUSTRE/tests/XMLCONFIG
-# echo "CONFIG=`canonical_path $CONFIG`" > $LUSTRE/tests/CONFIG
+
+ shift $((OPTIND - 1))
+ ONLY=${ONLY:-$*}
+
+ [ "$TESTSUITELOG" ] && rm -f $TESTSUITELOG || true
+
+}
+
+load_module() {
+ EXT=".ko"
+ module=$1
+ shift
+ BASE=`basename $module $EXT`
+ lsmod | grep -q ${BASE} || \
+ if [ -f ${LUSTRE}/${module}${EXT} ]; then
+ insmod ${LUSTRE}/${module}${EXT} $@
+ else
+ # must be testing a "make install" or "rpm" installation
+ # note failed to load ptlrpc_gss is considered not fatal
+ if [ "$BASE" == "ptlrpc_gss" ]; then
+ modprobe $BASE $@ || echo "gss/krb5 is not supported"
+ else
+ modprobe $BASE $@
+ fi
+ fi
+}
+
+load_modules() {
+ if [ -n "$MODPROBE" ]; then
+ # use modprobe
+ return 0
+ fi
+ if [ "$HAVE_MODULES" = true ]; then
+ # we already loaded
+ return 0
+ fi
+ HAVE_MODULES=true
+
+ echo Loading modules from $LUSTRE
+ load_module ../lnet/libcfs/libcfs
+ [ -z "$LNETOPTS" ] && \
+ LNETOPTS=$(awk '/^options lnet/ { print $0}' /etc/modprobe.conf | sed 's/^options lnet //g')
+ echo "lnet options: '$LNETOPTS'"
+ # note that insmod will ignore anything in modprobe.conf
+ load_module ../lnet/lnet/lnet $LNETOPTS
+ LNETLND=${LNETLND:-"socklnd/ksocklnd"}
+ load_module ../lnet/klnds/$LNETLND
+ [ "$FSTYPE" = "ldiskfs" ] && load_module ../ldiskfs/ldiskfs/ldiskfs
+ load_module lvfs/lvfs
+ load_module obdclass/obdclass
+ load_module lvfs/fsfilt_$FSTYPE
+ load_module ptlrpc/ptlrpc
+ load_module ptlrpc/gss/ptlrpc_gss
+ # Now, some modules depend on lquota without USE_QUOTA check,
+ # will fix later. Disable check "$USE_QUOTA" = "yes" temporary.
+ #[ "$USE_QUOTA" = "yes" ] && load_module quota/lquota
+ load_module quota/lquota
+ load_module fid/fid
+ load_module fld/fld
+ load_module lmv/lmv
+ load_module mdc/mdc
+ load_module osc/osc
+ load_module lov/lov
+ load_module mds/mds
+ load_module mdd/mdd
+ load_module mdt/mdt
+ load_module cmm/cmm
+ load_module osd/osd
+ load_module ost/ost
+ load_module obdfilter/obdfilter
+ load_module llite/lustre
+ load_module mgc/mgc
+ load_module mgs/mgs
+ rm -f $TMP/ogdb-`hostname`
+ $LCTL modules > $TMP/ogdb-`hostname`
+ # 'mount' doesn't look in $PATH, just sbin
+ [ -f $LUSTRE/utils/mount.lustre ] && cp $LUSTRE/utils/mount.lustre /sbin/. || true
+}
+
+RMMOD=rmmod
+if [ `uname -r | cut -c 3` -eq 4 ]; then
+ RMMOD="modprobe -r"
+fi
+
+wait_for_lnet() {
+ local UNLOADED=0
+ local WAIT=0
+ local MAX=60
+ MODULES=$($LCTL modules | awk '{ print $2 }')
+ while [ -n "$MODULES" ]; do
+ sleep 5
+ $RMMOD $MODULES > /dev/null 2>&1 || true
+ MODULES=$($LCTL modules | awk '{ print $2 }')
+ if [ -z "$MODULES" ]; then
+ return 0
+ else
+ WAIT=$((WAIT + 5))
+ echo "waiting, $((MAX - WAIT)) secs left"
+ fi
+ if [ $WAIT -eq $MAX ]; then
+ echo "LNET modules $MODULES will not unload"
+ lsmod
+ return 3
+ fi
+ done
+}
+
+unload_modules() {
+ lsmod | grep lnet > /dev/null && $LCTL dl && $LCTL dk $TMP/debug
+ local MODULES=$($LCTL modules | awk '{ print $2 }')
+ $RMMOD $MODULES > /dev/null 2>&1 || true
+ # do it again, in case we tried to unload ksocklnd too early
+ MODULES=$($LCTL modules | awk '{ print $2 }')
+ [ -n "$MODULES" ] && $RMMOD $MODULES > /dev/null 2>&1 || true
+ MODULES=$($LCTL modules | awk '{ print $2 }')
+ if [ -n "$MODULES" ]; then
+ echo "Modules still loaded: "
+ echo $MODULES
+ if [ -e $LPROC ]; then
+ echo "Lustre still loaded"
+ cat $LPROC/devices || true
+ lsmod
+ return 2
+ else
+ echo "Lustre stopped but LNET is still loaded, waiting..."
+ wait_for_lnet || return 3
+ fi
+ fi
+ HAVE_MODULES=false
+
+ LEAK_LUSTRE=$(dmesg | tail -n 30 | grep "obd mem.*leaked" || true)
+ LEAK_PORTALS=$(dmesg | tail -n 20 | grep "Portals memory leaked" || true)
+ if [ "$LEAK_LUSTRE" -o "$LEAK_PORTALS" ]; then
+ echo "$LEAK_LUSTRE" 1>&2
+ echo "$LEAK_PORTALS" 1>&2
+ mv $TMP/debug $TMP/debug-leak.`date +%s` || true
+ echo "Memory leaks detected"
+ return 254
+ fi
+ echo "modules unloaded."
+ return 0
+}
+
+check_gss_daemon_facet() {
+ facet=$1
+ dname=$2
+
+ num=`do_facet $facet ps -o cmd -C $dname | grep $dname | wc -l`
+ if [ $num -ne 1 ]; then
+ echo "$num instance of $dname on $facet"
+ return 1
+ fi
+ return 0
+}
+
+send_sigint() {
+ local facet=$1
+ shift
+ do_facet $facet "killall -2 $@ 2>/dev/null || true"
+}
+
+start_gss_daemons() {
+ # starting on MDT
+ for num in `seq $MDSCOUNT`; do
+ do_facet mds$num "$LSVCGSSD -v"
+ if [ "x$GSS_PIPEFS" == "xy" ]; then
+ do_facet mds$num "$LGSSD -v"
+ fi
+ done
+ # starting on OSTs
+ for num in `seq $OSTCOUNT`; do
+ do_facet ost$num "$LSVCGSSD -v"
+ done
+ # starting on client
+ # FIXME: is "client" the right facet name?
+ if [ "x$GSS_PIPEFS" == "xy" ]; then
+ do_facet client "$LGSSD -v"
+ fi
+
+ # wait daemons entering "stable" status
+ sleep 5
+
+ #
+ # check daemons are running
+ #
+ for num in `seq $MDSCOUNT`; do
+ check_gss_daemon_facet mds$num lsvcgssd
+ if [ "x$GSS_PIPEFS" == "xy" ]; then
+ check_gss_daemon_facet mds$num lgssd
+ fi
+ done
+ for num in `seq $OSTCOUNT`; do
+ check_gss_daemon_facet ost$num lsvcgssd
+ done
+ if [ "x$GSS_PIPEFS" == "xy" ]; then
+ check_gss_daemon_facet client lgssd
+ fi
+}
+
+stop_gss_daemons() {
+ for num in `seq $MDSCOUNT`; do
+ send_sigint mds$num lsvcgssd lgssd
+ done
+ for num in `seq $OSTCOUNT`; do
+ send_sigint ost$num lsvcgssd
+ done
+ send_sigint client lgssd
+}
+
+init_krb5_env() {
+ if [ ! -z $SEC ]; then
+ MDS_MOUNT_OPTS=$MDS_MOUNT_OPTS,sec=$SEC
+ OST_MOUNT_OPTS=$OST_MOUNT_OPTS,sec=$SEC
+ fi
+
+ if [ ! -z $USING_KRB5 ]; then
+ start_gss_daemons
+ fi
+}
+
+cleanup_krb5_env() {
+ if [ ! -z $USING_KRB5 ]; then
+ stop_gss_daemons
+ # maybe cleanup credential cache?
+ fi
+}
+
+mdsdevlabel() {
+ local num=$1
+ local device=`mdsdevname $num`
+ local label=`do_facet mds$num "e2label ${device}" | grep -v "CMD: "`
+ echo -n $label
+}
+
+ostdevlabel() {
+ local num=$1
+ local device=`ostdevname $num`
+ local label=`do_facet ost$num "e2label ${device}" | grep -v "CMD: "`
+ echo -n $label
}
# Facet functions
+# start facet device options
start() {
facet=$1
shift
- active=`facet_active $facet`
- do_facet $facet $LCONF --select ${facet}_svc=${active}_facet \
- --node ${active}_facet --ptldebug $PTLDEBUG --subsystem $SUBSYSTEM \
- $@ $XMLCONFIG
+ device=$1
+ shift
+ echo "Starting ${facet}: $@ ${device} ${MOUNT%/*}/${facet}"
+ do_facet ${facet} mkdir -p ${MOUNT%/*}/${facet}
+ do_facet ${facet} mount -t lustre $@ ${device} ${MOUNT%/*}/${facet}
+ RC=${PIPESTATUS[0]}
+ if [ $RC -ne 0 ]; then
+ echo mount -t lustre $@ ${device} ${MOUNT%/*}/${facet}
+ echo Start of ${device} on ${facet} failed ${RC}
+ else
+ do_facet ${facet} sync
+ label=$(do_facet ${facet} "e2label ${device}")
+ [ -z "$label" ] && echo no label for ${device} && exit 1
+ eval export ${facet}_svc=${label}
+ eval export ${facet}_dev=${device}
+ eval export ${facet}_opt=\"$@\"
+ echo Started ${label}
+ fi
+ return $RC
}
stop() {
+ local running
facet=$1
- active=`facet_active $facet`
shift
- do_facet $facet $LCONF --select ${facet}_svc=${active}_facet \
- --node ${active}_facet --ptldebug $PTLDEBUG --subsystem $SUBSYSTEM \
- $@ --cleanup $XMLCONFIG
-}
+ HOST=`facet_active_host $facet`
+ [ -z $HOST ] && echo stop: no host for $facet && return 0
-zconf_mount() {
- client=$1
- mnt=$2
+ running=$(do_facet ${facet} "grep -c ${MOUNT%/*}/${facet}' ' /proc/mounts") || true
+ if [ ${running} -ne 0 ]; then
+ echo "Stopping ${MOUNT%/*}/${facet} (opts:$@)"
+ do_facet ${facet} umount -d $@ ${MOUNT%/*}/${facet}
+ fi
- do_node $client mkdir $mnt 2> /dev/null || :
+ # umount should block, but we should wait for unrelated obd's
+ # like the MGS or MGC to also stop.
+ local WAIT=0
+ local INTERVAL=1
+ # conf-sanity 31 takes a long time cleanup
+ while [ $WAIT -lt 300 ]; do
+ running=$(do_facet ${facet} "[ -e $LPROC ] && grep ST' ' $LPROC/devices") || true
+ if [ -z "${running}" ]; then
+ return 0
+ fi
+ echo "waited $WAIT for${running}"
+ if [ $INTERVAL -lt 64 ]; then
+ INTERVAL=$((INTERVAL + INTERVAL))
+ fi
+ sleep $INTERVAL
+ WAIT=$((WAIT + INTERVAL))
+ done
+ echo "service didn't stop after $WAIT seconds. Still running:"
+ echo ${running}
+ exit 1
+}
- if [ -x /sbin/mount.lustre ] ; then
- do_node $client mount -t lustre -o nettype=$NETTYPE `facet_active_host mds1`:/mds1_svc/client_facet $mnt || return 1
- else
- # this is so cheating
- do_node $client $LCONF --nosetup --node client_facet $XMLCONFIG > /dev/null || return 2
- $LCONF --nosetup --node client_facet $XMLCONFIG
- do_node $client $LLMOUNT `facet_active_host mds1`:/mds1_svc/client_facet $mnt -o nettype=$NETTYPE|| return 4
+zconf_mount() {
+ local OPTIONS
+ local client=$1
+ local mnt=$2
+ # Only supply -o to mount if we have options
+ if [ -n "$MOUNTOPT" ]; then
+ OPTIONS="-o $MOUNTOPT"
fi
+ local device=$MGSNID:/$FSNAME
+ if [ -z "$mnt" -o -z "$FSNAME" ]; then
+ echo Bad zconf mount command: opt=$OPTIONS dev=$device mnt=$mnt
+ exit 1
+ fi
+
+ echo "Starting client: $OPTIONS $device $mnt"
+ do_node $client mkdir -p $mnt
+ do_node $client mount -t lustre $OPTIONS $device $mnt || return 1
+ do_node $client "sysctl -w lnet.debug=$PTLDEBUG; sysctl -w lnet.subsystem_debug=${SUBSYSTEM# }"
[ -d /r ] && $LCTL modules > /r/tmp/ogdb-`hostname`
return 0
}
client=$1
mnt=$2
[ "$3" ] && force=-f
- do_node $client umount $force $mnt || :
- do_node $client $LCONF --cleanup --nosetup --node client_facet $XMLCONFIG > /dev/null || :
+ local running=$(do_node $client "grep -c $mnt' ' /proc/mounts") || true
+ if [ $running -ne 0 ]; then
+ echo "Stopping client $mnt (opts:$force)"
+ do_node $client umount $force $mnt
+ fi
}
shutdown_facet() {
facet=$1
if [ "$FAILURE_MODE" = HARD ]; then
- $POWER_DOWN `facet_active_host $facet`
- sleep 2
+ $POWER_DOWN `facet_active_host $facet`
+ sleep 2
elif [ "$FAILURE_MODE" = SOFT ]; then
- stop $facet --force --failover --nomod
+ stop $facet
fi
}
reboot_facet() {
facet=$1
if [ "$FAILURE_MODE" = HARD ]; then
- $POWER_UP `facet_active_host $facet`
+ $POWER_UP `facet_active_host $facet`
+ else
+ sleep 10
fi
}
+# verify that lustre actually cleaned up properly
+cleanup_check() {
+ [ -f $CATASTROPHE ] && [ `cat $CATASTROPHE` -ne 0 ] && \
+ error "LBUG/LASSERT detected"
+ BUSY=`dmesg | grep -i destruct || true`
+ if [ "$BUSY" ]; then
+ echo "$BUSY" 1>&2
+ [ -e $TMP/debug ] && mv $TMP/debug $TMP/debug-busy.`date +%s`
+ exit 205
+ fi
+ LEAK_LUSTRE=`dmesg | tail -n 30 | grep "obd mem.*leaked" || true`
+ LEAK_PORTALS=`dmesg | tail -n 20 | grep "Portals memory leaked" || true`
+ if [ "$LEAK_LUSTRE" -o "$LEAK_PORTALS" ]; then
+ echo "$0: $LEAK_LUSTRE" 1>&2
+ echo "$0: $LEAK_PORTALS" 1>&2
+ echo "$0: Memory leak(s) detected..." 1>&2
+ mv $TMP/debug $TMP/debug-leak.`date +%s`
+ exit 204
+ fi
+
+ [ "`lctl dl 2> /dev/null | wc -l`" -gt 0 ] && lctl dl && \
+ echo "$0: lustre didn't clean up..." 1>&2 && return 202 || true
+
+ if [ "`/sbin/lsmod 2>&1 | egrep 'lnet|libcfs'`" ]; then
+ echo "$0: modules still loaded..." 1>&2
+ /sbin/lsmod 1>&2
+ return 203
+ fi
+ return 0
+}
+
wait_for_host() {
- HOST=$1
- check_network $HOST 900
- while ! do_node $HOST "ls -d $LUSTRE " > /dev/null; do sleep 5; done
+ HOST=$1
+ check_network "$HOST" 900
+ while ! do_node $HOST "ls -d $LUSTRE " > /dev/null; do sleep 5; done
}
wait_for() {
- facet=$1
- HOST=`facet_active_host $facet`
- wait_for_host $HOST
+ facet=$1
+ HOST=`facet_active_host $facet`
+ wait_for_host $HOST
}
client_df() {
# not every config has many clients
if [ ! -z "$CLIENTS" ]; then
- $PDSH $CLIENTS "df $MOUNT" > /dev/null
+ $PDSH $CLIENTS "df $MOUNT" > /dev/null
fi
}
+client_reconnect() {
+ uname -n >> $MOUNT/recon
+ if [ ! -z "$CLIENTS" ]; then
+ $PDSH $CLIENTS "df $MOUNT; uname -n >> $MOUNT/recon" > /dev/null
+ fi
+ echo Connected clients:
+ cat $MOUNT/recon
+ ls -l $MOUNT/recon > /dev/null
+ rm $MOUNT/recon
+}
+
facet_failover() {
facet=$1
- echo "Failing $facet node `facet_active_host $facet`"
+ echo "Failing $facet on node `facet_active_host $facet`"
shutdown_facet $facet
reboot_facet $facet
client_df &
TO=`facet_active_host $facet`
echo "Failover $facet to $TO"
wait_for $facet
- start $facet
+ local dev=${facet}_dev
+ local opt=${facet}_opt
+ start $facet ${!dev} ${!opt} || error "Restart of $facet failed"
+}
+
+obd_name() {
+ local facet=$1
}
replay_barrier() {
local facet=$1
do_facet $facet sync
df $MOUNT
- do_facet $facet $LCTL --device %${facet}_svc readonly
- do_facet $facet $LCTL --device %${facet}_svc notransno
- do_facet $facet $LCTL mark "REPLAY BARRIER"
- $LCTL mark "REPLAY BARRIER"
+ local svc=${facet}_svc
+ do_facet $facet $LCTL --device %${!svc} readonly
+ do_facet $facet $LCTL --device %${!svc} notransno
+ do_facet $facet $LCTL mark "$facet REPLAY BARRIER on ${!svc}"
+ $LCTL mark "local REPLAY BARRIER on ${!svc}"
+}
+
+replay_barrier_nodf() {
+ local facet=$1 echo running=${running}
+ do_facet $facet sync
+ local svc=${facet}_svc
+ echo Replay barrier on ${!svc}
+ do_facet $facet $LCTL --device %${!svc} readonly
+ do_facet $facet $LCTL --device %${!svc} notransno
+ do_facet $facet $LCTL mark "$facet REPLAY BARRIER on ${!svc}"
+ $LCTL mark "local REPLAY BARRIER on ${!svc}"
}
mds_evict_client() {
- UUID=`cat /proc/fs/lustre/mdc/*_MNT_*/uuid`
- do_facet mds "echo $UUID > /proc/fs/lustre/mds/mds1_svc/evict_client"
+ UUID=`cat /proc/fs/lustre/mdc/${mds1_svc}-mdc-*/uuid`
+ do_facet mds1 "echo $UUID > /proc/fs/lustre/mdt/${mds1_svc}/evict_client"
+}
+
+ost_evict_client() {
+ UUID=`grep ${ost1_svc}-osc- $LPROC/devices | egrep -v 'MDT' | awk '{print $5}'`
+ do_facet ost1 "echo $UUID > /proc/fs/lustre/obdfilter/${ost1_svc}/evict_client"
}
fail() {
- local facet=$1
- facet_failover $facet
+ facet_failover $* || error "failover: $?"
df $MOUNT || error "post-failover df: $?"
}
fail_abort() {
local facet=$1
- stop $facet --force --failover --nomod
+ stop $facet
change_active $facet
- start $facet
- do_facet $facet lctl --device %${facet}_svc abort_recovery
+ local svc=${facet}_svc
+ local dev=${facet}_dev
+ local opt=${facet}_opt
+ start $facet ${!dev} ${!opt}
+ do_facet $facet lctl --device %${!svc} abort_recovery
df $MOUNT || echo "first df failed: $?"
+ sleep 1
df $MOUNT || error "post-failover df: $?"
}
do_lmc() {
- $LMC -m ${XMLCONFIG} $@
+ echo There is no lmc. This is mountconf, baby.
+ exit 1
}
h2gm () {
- if [ "$1" = "client" ]; then echo \'*\'; else
- $PDSH $1 $GMNALNID -l | cut -d\ -f2
+ if [ "$1" = "client" -o "$1" = "'*'" ]; then echo \'*\'; else
+ ID=`$PDSH $1 $GMNALNID -l | cut -d\ -f2`
+ echo $ID"@gm"
+ fi
+}
+
+h2name_or_ip() {
+ if [ "$1" = "client" -o "$1" = "'*'" ]; then echo \'*\'; else
+ echo $1"@$2"
+ fi
+}
+
+h2ptl() {
+ if [ "$1" = "client" -o "$1" = "'*'" ]; then echo \'*\'; else
+ ID=`xtprocadmin -n $1 2>/dev/null | egrep -v 'NID' | awk '{print $1}'`
+ if [ -z "$ID" ]; then
+ echo "Could not get a ptl id for $1..."
+ exit 1
+ fi
+ echo $ID"@ptl"
fi
}
+declare -fx h2ptl
h2tcp() {
- if [ "$1" = "client" ]; then echo \'*\'; else
- echo $1
- fi
+ h2name_or_ip "$1" "tcp"
}
declare -fx h2tcp
h2elan() {
- if [ "$1" = "client" ]; then echo \'*\'; else
- echo $1 | sed 's/[^0-9]*//g'
- fi
+ if [ "$1" = "client" -o "$1" = "'*'" ]; then echo \'*\'; else
+ if type __h2elan >/dev/null 2>&1; then
+ ID=$(__h2elan $1)
+ else
+ ID=`echo $1 | sed 's/[^0-9]*//g'`
+ fi
+ echo $ID"@elan"
+ fi
}
declare -fx h2elan
-facet_host() {
- local facet=$1
- varname=${facet}_HOST
- echo -n ${!varname}
+h2openib() {
+ h2name_or_ip "$1" "openib"
}
+declare -fx h2openib
-facet_nid() {
- facet=$1
- HOST=`facet_host $facet`
- if [ -z "$HOST" ]; then
- echo "The env variable ${facet}_HOST must be set."
- exit 1
- fi
- echo `h2$NETTYPE $HOST`
+h2o2ib() {
+ h2name_or_ip "$1" "o2ib"
+}
+declare -fx h2o2ib
+
+facet_host() {
+ local facet=$1
+ varname=${facet}_HOST
+ if [ -z "${!varname}" ]; then
+ if [ "${facet:0:3}" == "ost" ]; then
+ eval ${facet}_HOST=${ost_HOST}
+ fi
+ fi
+ echo -n ${!varname}
}
facet_active() {
local facet=$1
local activevar=${facet}active
+
+ if [ -f ./${facet}active ] ; then
+ source ./${facet}active
+ fi
+
active=${!activevar}
if [ -z "$active" ] ; then
- echo -n ${facet}
+ echo -n ${facet}
else
- echo -n ${active}
+ echo -n ${active}
fi
}
local facet=$1
local active=`facet_active $facet`
if [ "$facet" == client ]; then
- hostname
+ hostname
else
- echo `facet_host $active`
+ echo `facet_host $active`
fi
}
do_node() {
HOST=$1
shift
-
+ local myPDSH=$PDSH
+ if [ "$HOST" = "$(hostname)" ]; then
+ myPDSH="no_dsh"
+ fi
if $VERBOSE; then
- echo "CMD: $HOST $@"
- $PDSH $HOST $LCTL mark "$@" > /dev/null 2>&1 || :
+ echo "CMD: $HOST $@" >&2
+ $myPDSH $HOST $LCTL mark "$@" > /dev/null 2>&1 || :
fi
- $PDSH $HOST "(PATH=\$PATH:$RLUSTRE/utils:$RLUSTRE/tests; cd $RPWD; sh -c \"$@\")"
+ $myPDSH $HOST "(PATH=\$PATH:$RLUSTRE/utils:$RLUSTRE/tests:/sbin:/usr/sbin; cd $RPWD; sh -c \"$@\")" | sed "s/^${HOST}: //"
+ return ${PIPESTATUS[0]}
}
+
do_facet() {
facet=$1
shift
-
- if [ "$facet" == "mds" ]; then
- if [ "$MDSCOUNT" -gt 1 ]; then
- for num in `seq $MDSCOUNT`; do
- HOST=`facet_active_host $facet$num`
- do_node $HOST $@
- done
- return
- fi
- fi
HOST=`facet_active_host $facet`
+ [ -z $HOST ] && echo No host defined for facet ${facet} && exit 1
do_node $HOST $@
}
-add_facet() {
+add() {
local facet=$1
shift
- echo "add facet $facet: `facet_host $facet`"
- do_lmc --add node --node ${facet}_facet $@ --timeout $TIMEOUT \
- --lustre_upcall $UPCALL --ptldebug $PTLDEBUG --subsystem $SUBSYSTEM
- do_lmc --add net --node ${facet}_facet --nid `facet_nid $facet` \
- --nettype $NETTYPE
+ # make sure its not already running
+ stop ${facet} -f
+ rm -f ${facet}active
+ do_facet ${facet} $MKFS $*
}
-add_mds() {
- facet=$1
- shift
- rm -f ${facet}active
- add_facet $facet
- do_lmc --add mds --node ${facet}_facet --mds ${facet}_svc --fstype $FSTYPE $*
+ostdevname() {
+ num=$1
+ DEVNAME=OSTDEV$num
+ #if $OSTDEVn isn't defined, default is $OSTDEVBASE + num
+ eval DEVPTR=${!DEVNAME:=${OSTDEVBASE}${num}}
+ echo -n $DEVPTR
}
-add_mdsfailover() {
- facet=$1
- shift
- add_facet ${facet}failover --lustre_upcall $UPCALL
- do_lmc --add mds --node ${facet}failover_facet --mds ${facet}_svc --fstype $FSTYPE $*
+mdsdevname() {
+ num=$1
+ DEVNAME=MDSDEV$num
+ #if $MDSDEVn isn't defined, default is $MDSDEVBASE + num
+ eval DEVPTR=${!DEVNAME:=${MDSDEVBASE}${num}}
+ echo -n $DEVPTR
}
-add_ost() {
- facet=$1
- shift
- rm -f ${facet}active
- add_facet $facet
- do_lmc --add ost --node ${facet}_facet --ost ${facet}_svc --fstype $FSTYPE $*
+########
+## MountConf setup
+
+stopall() {
+ # make sure we are using the primary server, so test-framework will
+ # be able to clean up properly.
+ activemds=`facet_active mds1`
+ if [ $activemds != "mds1" ]; then
+ fail mds1
+ fi
+
+ # assume client mount is local
+ grep " $MOUNT " /proc/mounts && zconf_umount `hostname` $MOUNT $*
+ grep " $MOUNT2 " /proc/mounts && zconf_umount `hostname` $MOUNT2 $*
+ for num in `seq $MDSCOUNT`; do
+ stop mds$num -f
+ done
+ for num in `seq $OSTCOUNT`; do
+ stop ost$num -f
+ done
+ return 0
}
-add_ostfailover() {
- facet=$1
- shift
- add_facet ${facet}failover
- do_lmc --add ost --failover --node ${facet}failover_facet --ost ${facet}_svc --fstype $FSTYPE $*
+cleanupall() {
+ stopall $*
+ unload_modules
+ cleanup_krb5_env
}
-add_lov() {
- lov=$1
- mds_facet=$2
- shift; shift
- do_lmc --add lov --mds ${mds_facet}_svc --lov $lov $*
+mdsmkfsopts()
+{
+ local nr=$1
+ test $nr = 1 && echo -n $MDS_MKFS_OPTS || echo -n $MDSn_MKFS_OPTS
}
-add_lov_to_lmv() {
- lov=$1
- lmv=$2
- shift; shift
- do_lmc --add lov --lmv $lmv --lov $lov $*
+formatall() {
+ [ "$FSTYPE" ] && FSTYPE_OPT="--backfstype $FSTYPE"
+
+ stopall
+ # We need ldiskfs here, may as well load them all
+ load_modules
+ [ "$CLIENTONLY" ] && return
+ echo "Formatting mdts, osts"
+ for num in `seq $MDSCOUNT`; do
+ echo "Format mds$num: $(mdsdevname $num)"
+ if $VERBOSE; then
+ add mds$num `mdsmkfsopts $num` $FSTYPE_OPT --reformat `mdsdevname $num` || exit 9
+ else
+ add mds$num `mdsmkfsopts $num` $FSTYPE_OPT --reformat `mdsdevname $num` > /dev/null || exit 9
+ fi
+ done
+
+ for num in `seq $OSTCOUNT`; do
+ echo "Format ost$num: $(ostdevname $num)"
+ if $VERBOSE; then
+ add ost$num $OST_MKFS_OPTS --reformat `ostdevname $num` || exit 10
+ else
+ add ost$num $OST_MKFS_OPTS --reformat `ostdevname $num` > /dev/null || exit 10
+ fi
+ done
}
-add_lmv() {
- lmv=$1
- shift;
- do_lmc --add lmv --lmv $lmv $*
+mount_client() {
+ grep " $1 " /proc/mounts || zconf_mount `hostname` $*
}
-add_client() {
- facet=$1
- shift;
- add_facet $facet --lustre_upcall $UPCALL
- do_lmc --add mtpt --node ${facet}_facet $*
+setupall() {
+ load_modules
+ init_krb5_env
+ if [ -z "$CLIENTONLY" ]; then
+ echo "Setup mdts, osts"
+ for num in `seq $MDSCOUNT`; do
+ DEVNAME=$(mdsdevname $num)
+ echo $REFORMAT | grep -q "reformat" \
+ || do_facet mds$num "$TUNEFS --writeconf $DEVNAME"
+ start mds$num $DEVNAME $MDS_MOUNT_OPTS
+ done
+ for num in `seq $OSTCOUNT`; do
+ DEVNAME=$(ostdevname $num)
+ start ost$num $DEVNAME $OST_MOUNT_OPTS
+ done
+ fi
+ [ "$DAEMONFILE" ] && $LCTL debug_daemon start $DAEMONFILE $DAEMONSIZE
+ mount_client $MOUNT
+ if [ "$MOUNT_2" ]; then
+ mount_client $MOUNT2
+ fi
+ sleep 5
+}
+
+mounted_lustre_filesystems() {
+ awk '($3 ~ "lustre" && $1 ~ ":") { print $2 }' /proc/mounts
+}
+
+check_and_setup_lustre() {
+ MOUNTED="`mounted_lustre_filesystems`"
+ if [ -z "$MOUNTED" ]; then
+ [ "$REFORMAT" ] && formatall
+ setupall
+ MOUNTED="`mounted_lustre_filesystems`"
+ [ -z "$MOUNTED" ] && error "NAME=$NAME not mounted"
+ export I_MOUNTED=yes
+ fi
+ if [ "$ONLY" == "setup" ]; then
+ exit 0
+ fi
}
+cleanup_and_setup_lustre() {
+ if [ "$ONLY" == "cleanup" -o "`mount | grep $MOUNT`" ]; then
+ sysctl -w lnet.debug=0 || true
+ cleanupall
+ if [ "$ONLY" == "cleanup" ]; then
+ exit 0
+ fi
+ fi
+ check_and_setup_lustre
+}
+
+check_and_cleanup_lustre() {
+ if [ "`mount | grep $MOUNT`" ]; then
+ rm -rf $DIR/[Rdfs][1-9]*
+ fi
+ if [ "$I_MOUNTED" = "yes" ]; then
+ cleanupall -f || error "cleanup failed"
+ fi
+ unset I_MOUNTED
+}
#######
# General functions
check_network() {
- local NETWORK=0
- local WAIT=0
- local MAX=$2
- while [ $NETWORK -eq 0 ]; do
- ping -c 1 -w 3 $1 > /dev/null
- if [ $? -eq 0 ]; then
- NETWORK=1
- else
- WAIT=$((WAIT + 5))
- echo "waiting for $1, $((MAX - WAIT)) secs left"
- sleep 5
- fi
- if [ $WAIT -gt $MAX ]; then
- echo "Network not available"
- exit 1
- fi
- done
+ local NETWORK=0
+ local WAIT=0
+ local MAX=$2
+ while [ $NETWORK -eq 0 ]; do
+ ping -c 1 -w 3 $1 > /dev/null
+ if [ $? -eq 0 ]; then
+ NETWORK=1
+ else
+ WAIT=$((WAIT + 5))
+ echo "waiting for $1, $((MAX - WAIT)) secs left"
+ sleep 5
+ fi
+ if [ $WAIT -gt $MAX ]; then
+ echo "Network not available"
+ exit 1
+ fi
+ done
}
check_port() {
- while( !($DSH2 $1 "netstat -tna | grep -q $2") ) ; do
- sleep 9
- done
+ while( !($DSH2 $1 "netstat -tna | grep -q $2") ) ; do
+ sleep 9
+ done
}
no_dsh() {
- shift
- eval $@
+ shift
+ eval $@
}
comma_list() {
}
absolute_path() {
- (cd `dirname $1`; echo $PWD/`basename $1`)
+ (cd `dirname $1`; echo $PWD/`basename $1`)
}
##################################
drop_request() {
# OBD_FAIL_MDS_ALL_REQUEST_NET
RC=0
- do_facet mds "echo 0x123 > /proc/sys/lustre/fail_loc"
+ do_facet mds sysctl -w lustre.fail_loc=0x123
do_facet client "$1" || RC=$?
- do_facet mds "echo 0 > /proc/sys/lustre/fail_loc"
+ do_facet mds sysctl -w lustre.fail_loc=0
return $RC
}
drop_reply() {
# OBD_FAIL_MDS_ALL_REPLY_NET
RC=0
- do_facet mds "echo 0x122 > /proc/sys/lustre/fail_loc"
+ do_facet mds sysctl -w lustre.fail_loc=0x122
do_facet client "$@" || RC=$?
- do_facet mds "echo 0 > /proc/sys/lustre/fail_loc"
+ do_facet mds sysctl -w lustre.fail_loc=0
return $RC
}
drop_reint_reply() {
# OBD_FAIL_MDS_REINT_NET_REP
RC=0
- do_facet mds "echo 0x119 > /proc/sys/lustre/fail_loc"
+ do_facet mds sysctl -w lustre.fail_loc=0x119
do_facet client "$@" || RC=$?
- do_facet mds "echo 0 > /proc/sys/lustre/fail_loc"
+ do_facet mds sysctl -w lustre.fail_loc=0
return $RC
}
pause_bulk() {
#define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
RC=0
- do_facet ost "echo 0x214 > /proc/sys/lustre/fail_loc"
+ do_facet ost1 sysctl -w lustre.fail_loc=0x214
do_facet client "$1" || RC=$?
do_facet client "sync"
- do_facet ost "echo 0 > /proc/sys/lustre/fail_loc"
+ do_facet ost1 sysctl -w lustre.fail_loc=0
return $RC
}
drop_ldlm_cancel() {
#define OBD_FAIL_LDLM_CANCEL 0x304
RC=0
- do_facet client "echo 0x304 > /proc/sys/lustre/fail_loc"
+ do_facet client sysctl -w lustre.fail_loc=0x304
do_facet client "$@" || RC=$?
- do_facet client "echo 0 > /proc/sys/lustre/fail_loc"
+ do_facet client sysctl -w lustre.fail_loc=0
return $RC
}
drop_bl_callback() {
#define OBD_FAIL_LDLM_BL_CALLBACK 0x305
RC=0
- do_facet client "echo 0x305 > /proc/sys/lustre/fail_loc"
+ do_facet client sysctl -w lustre.fail_loc=0x305
do_facet client "$@" || RC=$?
- do_facet client "echo 0 > /proc/sys/lustre/fail_loc"
+ do_facet client sysctl -w lustre.fail_loc=0
+ return $RC
+}
+
+drop_ldlm_reply() {
+#define OBD_FAIL_LDLM_REPLY 0x30c
+ RC=0
+ do_facet mds sysctl -w lustre.fail_loc=0x30c
+ do_facet client "$@" || RC=$?
+ do_facet mds sysctl -w lustre.fail_loc=0
return $RC
}
}
cancel_lru_locks() {
- $LCTL mark cancel_lru_locks
- for d in /proc/fs/lustre/ldlm/namespaces/$1*; do
- if [ -f $d/lru_size ]; then
- echo clear > $d/lru_size
- grep [0-9] $d/lock_unused_count
- fi
+ $LCTL mark "cancel_lru_locks $1 start"
+ for d in `find $LPROC/ldlm/namespaces | egrep -i $1`; do
+ [ -f $d/lru_size ] && echo clear > $d/lru_size
+ [ -f $d/lock_unused_count ] && grep [1-9] $d/lock_unused_count /dev/null
done
+ $LCTL mark "cancel_lru_locks $1 stop"
}
pgcache_empty() {
for a in /proc/fs/lustre/llite/*/dump_page_cache; do
if [ `wc -l $a | awk '{print $1}'` -gt 1 ]; then
- echo there is still data in page cache $a ?
- cat $a;
- return 1;
+ echo there is still data in page cache $a ?
+ cat $a;
+ return 1;
fi
done
return 0
}
+debugsave() {
+ DEBUGSAVE="$(sysctl -n lnet.debug)"
+}
+
+debugrestore() {
+ [ -n "$DEBUGSAVE" ] && sysctl -w lnet.debug="${DEBUGSAVE}"
+ DEBUGSAVE=""
+}
+
+FAIL_ON_ERROR=true
##################################
# Test interface
error() {
- echo "${TESTSUITE}: **** FAIL:" $@
- log "FAIL: $@"
- exit 1
+ local ERRLOG
+ sysctl -w lustre.fail_loc=0 2> /dev/null || true
+ log "${TESTSUITE} ${TESTNAME}: **** FAIL:" $@
+ ERRLOG=$TMP/lustre_${TESTSUITE}_${TESTNAME}.$(date +%s)
+ echo "Dumping lctl log to $ERRLOG"
+ # We need to dump the logs on all nodes
+ $LCTL dk $ERRLOG
+ [ ! "$mds_HOST" = "$(hostname)" ] && do_node $mds_HOST $LCTL dk $ERRLOG
+ [ ! "$ost_HOST" = "$(hostname)" -a ! "$ost_HOST" = "$mds_HOST" ] && do_node $ost_HOST $LCTL dk $ERRLOG
+ debugrestore
+ [ "$TESTSUITELOG" ] && echo "$0: FAIL: $TESTNAME $@" >> $TESTSUITELOG
+ if $FAIL_ON_ERROR; then
+ exit 1
+ fi
+}
+
+skip () {
+ log " SKIP: ${TESTSUITE} ${TESTNAME} $@"
+ [ "$TESTSUITELOG" ] && echo "${TESTSUITE}: SKIP: $TESTNAME $@" >> $TESTSUITELOG
}
build_test_filter() {
- for O in $ONLY; do
- eval ONLY_${O}=true
- done
- for E in $EXCEPT $ALWAYS_EXCEPT; do
- eval EXCEPT_${E}=true
- done
+ [ "$ONLY" ] && log "only running test `echo $ONLY`"
+ for O in $ONLY; do
+ eval ONLY_${O}=true
+ done
+ [ "$EXCEPT$ALWAYS_EXCEPT" ] && \
+ log "skipping tests: `echo $EXCEPT $ALWAYS_EXCEPT`"
+ for E in $EXCEPT $ALWAYS_EXCEPT; do
+ eval EXCEPT_${E}=true
+ done
+ for G in $GRANT_CHECK_LIST; do
+ eval GCHECK_ONLY_${G}=true
+ done
}
_basetest() {
}
run_test() {
- export base=`basetest $1`
- if [ ! -z "$ONLY" ]; then
- testname=ONLY_$1
- if [ ${!testname}x != x ]; then
- run_one $1 "$2"
- return $?
- fi
- testname=ONLY_$base
- if [ ${!testname}x != x ]; then
- run_one $1 "$2"
- return $?
- fi
- echo -n "."
- return 0
- fi
- testname=EXCEPT_$1
+ export base=`basetest $1`
+ if [ ! -z "$ONLY" ]; then
+ testname=ONLY_$1
if [ ${!testname}x != x ]; then
- echo "skipping excluded test $1"
- return 0
+ run_one $1 "$2"
+ return $?
fi
- testname=EXCEPT_$base
+ testname=ONLY_$base
if [ ${!testname}x != x ]; then
- echo "skipping excluded test $1 (base $base)"
- return 0
+ run_one $1 "$2"
+ return $?
fi
- run_one $1 "$2"
-
- return $?
+ echo -n "."
+ return 0
+ fi
+ testname=EXCEPT_$1
+ if [ ${!testname}x != x ]; then
+ TESTNAME=test_$1 skip "skipping excluded test $1"
+ return 0
+ fi
+ testname=EXCEPT_$base
+ if [ ${!testname}x != x ]; then
+ TESTNAME=test_$1 skip "skipping excluded test $1 (base $base)"
+ return 0
+ fi
+ run_one $1 "$2"
+
+ return $?
}
EQUALS="======================================================================"
equals_msg() {
- msg="$@"
+ msg="$@"
- local suffixlen=$((${#EQUALS} - ${#msg}))
- [ $suffixlen -lt 5 ] && suffixlen=5
- printf '===== %s %.*s\n' "$msg" $suffixlen $EQUALS
+ local suffixlen=$((${#EQUALS} - ${#msg}))
+ [ $suffixlen -lt 5 ] && suffixlen=5
+ printf '===== %s %.*s\n' "$msg" $suffixlen $EQUALS
}
log() {
- echo "$*"
- lctl mark "$*" 2> /dev/null || true
+ echo "$*"
+ lsmod | grep lnet > /dev/null || load_modules
+ $LCTL mark "$*" 2> /dev/null || true
+}
+
+trace() {
+ log "STARTING: $*"
+ strace -o $TMP/$1.strace -ttt $*
+ RC=$?
+ log "FINISHED: $*: rc $RC"
+ return 1
+}
+
+pass() {
+ echo PASS $@
+}
+
+check_mds() {
+ FFREE=`cat /proc/fs/lustre/mds/*/filesfree`
+ FTOTAL=`cat /proc/fs/lustre/mds/*/filestotal`
+ [ $FFREE -ge $FTOTAL ] && error "files free $FFREE > total $FTOTAL" || true
}
run_one() {
testnum=$1
message=$2
tfile=f${testnum}
- tdir=d${base}
-
- # Pretty tests run faster.
- equals_msg $testnum: $message
+ export tdir=d${base}
- log "== test $1: $2"
+ BEFORE=`date +%s`
+ log "== test $testnum: $message ============ `date +%H:%M:%S` ($BEFORE)"
+ #check_mds
+ export TESTNAME=test_$testnum
test_${testnum} || error "test_$testnum failed with $?"
+ #check_mds
+ check_grant ${testnum} || error "check_grant $testnum failed with $?"
+ [ -f $CATASTROPHE ] && [ `cat $CATASTROPHE` -ne 0 ] && \
+ error "LBUG/LASSERT detected"
+ pass "($((`date +%s` - $BEFORE))s)"
+ unset TESTNAME
+ unset tdir
+ cd $SAVE_PWD
+ $CLEANUP
}
canonical_path() {
- (cd `dirname $1`; echo $PWD/`basename $1`)
+ (cd `dirname $1`; echo $PWD/`basename $1`)
}
+sync_clients() {
+ [ -d $DIR1 ] && cd $DIR1 && sync; sleep 1; sync
+ [ -d $DIR2 ] && cd $DIR2 && sync; sleep 1; sync
+ cd $SAVE_PWD
+}
+
+check_grant() {
+ export base=`basetest $1`
+ [ "$CHECK_GRANT" == "no" ] && return 0
+
+ testname=GCHECK_ONLY_${base}
+ [ ${!testname}x == x ] && return 0
+
+ echo -n "checking grant......"
+ cd $SAVE_PWD
+ # write some data to sync client lost_grant
+ rm -f $DIR1/${tfile}_check_grant_* 2>&1
+ for i in `seq $OSTCOUNT`; do
+ $LFS setstripe $DIR1/${tfile}_check_grant_$i 0 $(($i -1)) 1
+ dd if=/dev/zero of=$DIR1/${tfile}_check_grant_$i bs=4k \
+ count=1 > /dev/null 2>&1
+ done
+ # sync all the data and make sure no pending data on server
+ sync_clients
+
+ #get client grant and server grant
+ client_grant=0
+ for d in ${LPROC}/osc/*/cur_grant_bytes; do
+ client_grant=$((client_grant + `cat $d`))
+ done
+ server_grant=0
+ for d in ${LPROC}/obdfilter/*/tot_granted; do
+ server_grant=$((server_grant + `cat $d`))
+ done
+
+ # cleanup the check_grant file
+ for i in `seq $OSTCOUNT`; do
+ rm $DIR1/${tfile}_check_grant_$i
+ done
+
+ #check whether client grant == server grant
+ if [ $client_grant != $server_grant ]; then
+ echo "failed: client:${client_grant} server: ${server_grant}"
+ return 1
+ else
+ echo "pass"
+ fi
+}
+
+########################
+# helper functions
+
+osc_to_ost()
+{
+ osc=$1
+ ost=`echo $1 | awk -F_ '{print $3}'`
+ if [ -z $ost ]; then
+ ost=`echo $1 | sed 's/-osc.*//'`
+ fi
+ echo $ost
+}
+
+remote_mds ()
+{
+ [ ! -e /proc/fs/lustre/mdt/*MDT* ]
+}
+
+remote_ost ()
+{
+ [ $(grep -c obdfilter $LPROC/devices) -eq 0 ]
+}
+
+is_patchless ()
+{
+ grep -q patchless $LPROC/version
+}