#!/bin/bash
# vim:expandtab:shiftwidth=4:softtabstop=4:tabstop=4:
-trap 'echo "test-framework exiting on error"' ERR
+trap 'print_summary && echo "test-framework exiting on error"' ERR
set -e
#set -x
export VERBOSE=false
export GMNALNID=${GMNALNID:-/usr/sbin/gmlndnid}
export CATASTROPHE=${CATASTROPHE:-/proc/sys/lnet/catastrophe}
+export GSS=false
+export GSS_KRB5=false
+export GSS_PIPEFS=false
#export PDSH="pdsh -S -Rssh -w"
# eg, assert_env LUSTRE MDSNODES OSTNODES CLIENTS
exit
}
+print_summary () {
+ [ -n "$ONLY" ] && echo "WARNING: ONLY is set to ${ONLY}."
+ local form="%-13s %-17s %s\n"
+ printf "$form" "status" "script" "skipped tests E(xcluded) S(low)"
+ echo "------------------------------------------------------------------------------------"
+ for O in $TESTSUITE_LIST; do
+ local skipped=""
+ local slow=""
+ local o=$(echo $O | tr "[:upper:]" "[:lower:]")
+ o=${o//_/-}
+ o=${o//tyn/tyN}
+ local log=${TMP}/${o}.log
+ [ -f $log ] && skipped=$(grep excluded $log | awk '{ printf " %s", $3 }' | sed 's/test_//g')
+ [ -f $log ] && slow=$(grep SLOW $log | awk '{ printf " %s", $3 }' | sed 's/test_//g')
+ [ "${!O}" = "done" ] && \
+ printf "$form" "Done" "$O" "E=$skipped" && \
+ [ -n "$slow" ] && printf "$form" "-" "-" "S=$slow"
+
+ done
+
+ for O in $TESTSUITE_LIST; do
+ [ "${!O}" = "no" ] && \
+ printf "$form" "Skipped" "$O" ""
+ done
+
+ for O in $TESTSUITE_LIST; do
+ [ "${!O}" = "done" -o "${!O}" = "no" ] || \
+ printf "$form" "UNFINISHED" "$O" ""
+ done
+}
+
init_test_env() {
export LUSTRE=`absolute_path $LUSTRE`
export TESTSUITE=`basename $0 .sh`
export PATH=:$PATH:$LUSTRE/utils:$LUSTRE/utils/gss:$LUSTRE/tests
export LCTL=${LCTL:-"$LUSTRE/utils/lctl"}
+ export LFS=${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} "
+ 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 $ACCEPTOR_PORT"
case "x$SEC" in
xkrb5*)
echo "Using GSS/krb5 ptlrpc security flavor"
- export USING_KRB5="y"
+ GSS=true
+ GSS_KRB5=true
;;
esac
# Paths on remote nodes, if different
export RLUSTRE=${RLUSTRE:-$LUSTRE}
export RPWD=${RPWD:-$PWD}
+ export I_MOUNTED=${I_MOUNTED:-"no"}
# command line
# must be testing a "make install" or "rpm" installation
# note failed to load ptlrpc_gss is considered not fatal
if [ "$BASE" == "ptlrpc_gss" ]; then
- modprobe $BASE $@ || echo "gss/krb5 is not supported"
+ modprobe $BASE $@ 2>/dev/null || echo "gss/krb5 is not supported"
else
modprobe $BASE $@
fi
echo Loading modules from $LUSTRE
load_module ../lnet/libcfs/libcfs
- [ -z "$LNETOPTS" ] && \
- LNETOPTS=$(awk '/^options lnet/ { print $0}' /etc/modprobe.conf | sed 's/^options lnet //g')
+ [ -f /etc/modprobe.conf ] && MODPROBECONF=/etc/modprobe.conf
+ [ -f /etc/modprobe.d/Lustre ] && MODPROBECONF=/etc/modprobe.d/Lustre
+ [ -z "$LNETOPTS" -a -n "$MODPROBECONF" ] && \
+ LNETOPTS=$(awk '/^options lnet/ { print $0}' $MODPROBECONF | sed 's/^options lnet //g')
echo "lnet options: '$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_$FSTYPE
load_module ptlrpc/ptlrpc
load_module ptlrpc/gss/ptlrpc_gss
# Now, some modules depend on lquota without USE_QUOTA check,
load_module mdc/mdc
load_module osc/osc
load_module lov/lov
- load_module mds/mds
- load_module mdd/mdd
- load_module mdt/mdt
- load_module cmm/cmm
- load_module osd/osd
- load_module ost/ost
- load_module obdfilter/obdfilter
- load_module llite/lustre
load_module mgc/mgc
- load_module mgs/mgs
+ if [ -z "$CLIENTONLY" ]; then
+ load_module mgs/mgs
+ load_module mds/mds
+ load_module mdd/mdd
+ load_module mdt/mdt
+ [ "$FSTYPE" = "ldiskfs" ] && load_module ../ldiskfs/ldiskfs/ldiskfs
+ load_module lvfs/fsfilt_$FSTYPE
+ load_module cmm/cmm
+ load_module osd/osd
+ load_module ost/ost
+ load_module obdfilter/obdfilter
+ fi
+
+ load_module llite/lustre
+ load_module llite/llite_lloop
rm -f $TMP/ogdb-`hostname`
$LCTL modules > $TMP/ogdb-`hostname`
# 'mount' doesn't look in $PATH, just sbin
}
unload_modules() {
+ wait_exit_ST client # bug 12845
+
lsmod | grep lnet > /dev/null && $LCTL dl && $LCTL dk $TMP/debug
local MODULES=$($LCTL modules | awk '{ print $2 }')
$RMMOD $MODULES > /dev/null 2>&1 || true
echo "$LEAK_PORTALS" 1>&2
mv $TMP/debug $TMP/debug-leak.`date +%s` || true
echo "Memory leaks detected"
+ [ -n "$IGNORE_LEAK" ] && echo "ignoring leaks" && return 0
return 254
fi
echo "modules unloaded."
# starting on MDT
for num in `seq $MDSCOUNT`; do
do_facet mds$num "$LSVCGSSD -v"
- do_facet mds$num "$LGSSD -v"
+ if $GSS_PIPEFS; then
+ do_facet mds$num "$LGSSD -v"
+ fi
done
# starting on OSTs
for num in `seq $OSTCOUNT`; do
done
# starting on client
# FIXME: is "client" the right facet name?
- do_facet client "$LGSSD -v"
+ if $GSS_PIPEFS; then
+ do_facet client "$LGSSD -v"
+ fi
# wait daemons entering "stable" status
sleep 5
#
for num in `seq $MDSCOUNT`; do
check_gss_daemon_facet mds$num lsvcgssd
- check_gss_daemon_facet mds$num lgssd
+ if $GSS_PIPEFS; then
+ check_gss_daemon_facet mds$num lgssd
+ fi
done
for num in `seq $OSTCOUNT`; do
check_gss_daemon_facet ost$num lsvcgssd
done
- check_gss_daemon_facet client lgssd
+ if $GSS_PIPEFS; then
+ check_gss_daemon_facet client lgssd
+ fi
}
stop_gss_daemons() {
OST_MOUNT_OPTS=$OST_MOUNT_OPTS,sec=$SEC
fi
- if [ ! -z $USING_KRB5 ]; then
+ if $GSS; then
start_gss_daemons
fi
}
cleanup_krb5_env() {
- if [ ! -z $USING_KRB5 ]; then
+ if $GSS; then
stop_gss_daemons
# maybe cleanup credential cache?
fi
echo mount -t lustre $@ ${device} ${MOUNT%/*}/${facet}
echo Start of ${device} on ${facet} failed ${RC}
else
+ do_facet ${facet} "sysctl -w lnet.debug=$PTLDEBUG; \
+ sysctl -w lnet.subsystem_debug=${SUBSYSTEM# }; \
+ sysctl -w lnet.debug_mb=${DEBUG_SIZE}"
+
do_facet ${facet} sync
label=$(do_facet ${facet} "e2label ${device}")
[ -z "$label" ] && echo no label for ${device} && exit 1
# 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
+ wait_exit_ST ${facet}
}
zconf_mount() {
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# }"
+ do_node $client "sysctl -w lnet.debug=$PTLDEBUG;
+ sysctl -w lnet.subsystem_debug=${SUBSYSTEM# };
+ sysctl -w lnet.debug_mb=${DEBUG_SIZE}"
[ -d /r ] && $LCTL modules > /r/tmp/ogdb-`hostname`
return 0
}
return 0
}
+wait_delete_completed () {
+ local TOTALPREV=`awk 'BEGIN{total=0}; {total+=$1}; END{print total}' \
+ $LPROC/osc/*/kbytesavail`
+
+ local WAIT=0
+ local MAX_WAIT=20
+ while [ "$WAIT" -ne "$MAX_WAIT" ]; do
+ sleep 1
+ TOTAL=`awk 'BEGIN{total=0}; {total+=$1}; END{print total}' \
+ $LPROC/osc/*/kbytesavail`
+ [ "$TOTAL" -eq "$TOTALPREV" ] && break
+ echo "Waiting delete completed ... prev: $TOTALPREV current: $TOTAL "
+ TOTALPREV=$TOTAL
+ WAIT=$(( WAIT + 1))
+ done
+ echo "Delete completed."
+}
+
wait_for_host() {
HOST=$1
check_network "$HOST" 900
wait_for_host $HOST
}
+wait_mds_recovery_done () {
+ local timeout=`do_facet mds cat /proc/sys/lustre/timeout`
+#define OBD_RECOVERY_TIMEOUT (obd_timeout * 5 / 2)
+# as we are in process of changing obd_timeout in different ways
+# let's set MAX longer than that
+ MAX=$(( timeout * 4 ))
+ WAIT=0
+ while [ $WAIT -lt $MAX ]; do
+ STATUS=`do_facet mds grep status /proc/fs/lustre/mdt/*-MDT*/recovery_status`
+ echo $STATUS | grep COMPLETE && return 0
+ sleep 5
+ WAIT=$((WAIT + 5))
+ echo "Waiting $(($MAX - $WAIT)) secs for MDS recovery done"
+ done
+ echo "MDS recovery not done in $MAX sec"
+ return 1
+}
+
+wait_exit_ST () {
+ local facet=$1
+
+ 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' ' $LPROC/devices") || true
+ [ -z "${running}" ] && return 0
+ echo "waited $WAIT for${running}"
+ [ $INTERVAL -lt 64 ] && INTERVAL=$((INTERVAL + INTERVAL))
+ sleep $INTERVAL
+ WAIT=$((WAIT + INTERVAL))
+ done
+ echo "service didn't stop after $WAIT seconds. Still running:"
+ echo ${running}
+ return 1
+}
+
client_df() {
# not every config has many clients
if [ ! -z "$CLIENTS" ]; then
# assume client mount is local
grep " $MOUNT " /proc/mounts && zconf_umount `hostname` $MOUNT $*
grep " $MOUNT2 " /proc/mounts && zconf_umount `hostname` $MOUNT2 $*
+ [ "$CLIENTONLY" ] && return
for num in `seq $MDSCOUNT`; do
stop mds$num -f
done
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][0-9]*
+ rm -f $DIR/${TESTSUITE}/[Rdfs][1-9]*
+ fi
+ if [ "$I_MOUNTED" = "yes" ]; then
+ cleanupall -f || error "cleanup failed"
+ fi
+ unset I_MOUNTED
+}
#######
# General functions
return 0
}
-FAIL_ON_ERROR=true
+debugsave() {
+ DEBUGSAVE="$(sysctl -n lnet.debug)"
+}
+
+debugrestore() {
+ [ -n "$DEBUGSAVE" ] && sysctl -w lnet.debug="${DEBUGSAVE}"
+ DEBUGSAVE=""
+}
+
##################################
# Test interface
+##################################
+
error() {
+ local FAIL_ON_ERROR=${FAIL_ON_ERROR:-true}
+ local TYPE=${TYPE:-"FAIL"}
local ERRLOG
sysctl -w lustre.fail_loc=0 2> /dev/null || true
- log "${TESTSUITE} ${TESTNAME}: **** FAIL:" $@
+ log " ${TESTSUITE} ${TESTNAME}: @@@@@@ ${TYPE}: $@ "
ERRLOG=$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 $ERRLOG
+ local NODES=$(nodes_list)
+ for NODE in $NODES; do
+ do_node $NODE $LCTL dk $ERRLOG
+ done
debugrestore
- [ "$TESTSUITELOG" ] && echo "$0: FAIL: $TESTNAME $@" >> $TESTSUITELOG
+ [ "$TESTSUITELOG" ] && echo "$0: ${TYPE}: $TESTNAME $@" >> $TESTSUITELOG
if $FAIL_ON_ERROR; then
exit 1
fi
}
+# use only if we are ignoring failures for this test, bugno required.
+# (like ALWAYS_EXCEPT, but run the test and ignore the results.)
+# e.g. error_ignore 5494 "your message"
+error_ignore() {
+ FAIL_ON_ERROR=false TYPE="IGNORE (bz$1)" error $2
+}
+
skip () {
log " SKIP: ${TESTSUITE} ${TESTNAME} $@"
[ "$TESTSUITELOG" ] && echo "${TESTSUITE}: SKIP: $TESTNAME $@" >> $TESTSUITELOG
done
[ "$EXCEPT$ALWAYS_EXCEPT" ] && \
log "skipping tests: `echo $EXCEPT $ALWAYS_EXCEPT`"
+ [ "$EXCEPT_SLOW" ] && \
+ log "skipping tests SLOW=no: `echo $EXCEPT_SLOW`"
for E in $EXCEPT $ALWAYS_EXCEPT; do
eval EXCEPT_${E}=true
done
+ for E in $EXCEPT_SLOW; do
+ eval EXCEPT_SLOW_${E}=true
+ done
+ for G in $GRANT_CHECK_LIST; do
+ eval GCHECK_ONLY_${G}=true
+ done
}
_basetest() {
TESTNAME=test_$1 skip "skipping excluded test $1 (base $base)"
return 0
fi
+ testname=EXCEPT_SLOW_$1
+ if [ ${!testname}x != x ]; then
+ TESTNAME=test_$1 skip "skipping SLOW test $1"
+ return 0
+ fi
+ testname=EXCEPT_SLOW_$base
+ if [ ${!testname}x != x ]; then
+ TESTNAME=test_$1 skip "skipping SLOW test $1 (base $base)"
+ return 0
+ fi
+
run_one $1 "$2"
return $?
local suffixlen=$((${#EQUALS} - ${#msg}))
[ $suffixlen -lt 5 ] && suffixlen=5
- printf '===== %s %.*s\n' "$msg" $suffixlen $EQUALS
+ log `echo $(printf '===== %s %.*s\n' "$msg" $suffixlen $EQUALS)`
}
log() {
echo "$*"
lsmod | grep lnet > /dev/null || load_modules
- $LCTL mark "$*" 2> /dev/null || true
+
+ local MSG="$*"
+ # Get rif of '
+ MSG=${MSG//\'/\\\'}
+ MSG=${MSG//\(/\\\(}
+ MSG=${MSG//\)/\\\)}
+ MSG=${MSG//\;/\\\;}
+ MSG=${MSG//\|/\\\|}
+ local NODES=$(nodes_list)
+ for NODE in $NODES; do
+ do_node $NODE $LCTL mark "$MSG" 2> /dev/null || true
+ done
+}
+
+trace() {
+ log "STARTING: $*"
+ strace -o $TMP/$1.strace -ttt $*
+ RC=$?
+ log "FINISHED: $*: rc $RC"
+ return 1
}
pass() {
testnum=$1
message=$2
tfile=f${testnum}
- tdir=d${base}
-
- # Pretty tests run faster.
- equals_msg $testnum: $message
+ export tdir=d${TESTSUITE}/d${base}
+ local SAVE_UMASK=`umask`
+ umask 0022
+ mkdir -p $DIR/$tdir
BEFORE=`date +%s`
log "== test $testnum: $message ============ `date +%H:%M:%S` ($BEFORE)"
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)"
+ rmdir ${DIR}/$tdir >/dev/null 2>&1 || true
unset TESTNAME
+ unset tdir
+ umask $SAVE_UMASK
+ cd $SAVE_PWD
+ $CLEANUP
}
canonical_path() {
(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
{
[ $(grep -c obdfilter $LPROC/devices) -eq 0 ]
}
+
+mdts_nodes () {
+ local MDSNODES=$(facet_host $SINGLEMDS)
+
+ # FIXME: Currenly we use only $SINGLEMDS,
+ # should be fixed when we will start to test cmd.
+ echo $MDSNODES
+ return
+
+ for num in `seq $MDSCOUNT`; do
+ local myMDS=$(facet_host mds$num)
+ [[ ! '\ '"$MDSNODES"'\ ' = *'\ '"$myMDS"'\ '* ]] && MDSNODES="$MDSNODES $myMDS"
+ done
+
+ echo $MDSNODES
+}
+
+osts_nodes () {
+ local OSTNODES=$(facet_host ost1)
+
+ for num in `seq $OSTCOUNT`; do
+ local myOST=$(facet_host ost$num)
+ [[ ! '\ '"$OSTNODES"'\ ' = *'\ '"$myOST"'\ '* ]] && OSTNODES="$OSTNODES $myOST"
+ done
+
+ echo $OSTNODES
+}
+
+nodes_list () {
+ # FIXME. We need a list of clients
+ local myNODES=`hostname`
+
+ local OSTNODES=$(osts_nodes)
+ local myOSTNODES=`echo ' '"$OSTNODES"' ' | sed -e s/[\ ]$(hostname)[\ ]/\ /`
+ [ -n "$myOSTNODES" ] && myNODES="$myNODES $myOSTNODES"
+
+ local myNODES=${myNODES% }
+ # Add to list only not listed mds nodes
+ local MDSNODES=$(mdts_nodes)
+ for myMDS in $MDSNODES; do
+ [[ ! "'\ '$myNODES'\ '" = *'\ '"$myMDS"'\ '* ]] && myNODES="$myNODES $myMDS"
+ done
+
+ echo $myNODES
+}
+
+is_patchless ()
+{
+ grep -q patchless $LPROC/version
+}
+
+check_runas_id() {
+ local myRUNAS_ID=$1
+ shift
+ local myRUNAS=$@
+ mkdir $DIR/d0_runas_test
+ chmod 0755 $DIR
+ chown $myRUNAS_ID:$myRUNAS_ID $DIR/d0_runas_test
+ $myRUNAS touch $DIR/d0_runas_test/f$$ || \
+ error "unable to write to $DIR/d0_runas_test as UID $myRUNAS_ID.
+ Please set RUNAS_ID to some UID which exists on MDS and client or
+ add user $myRUNAS_ID:$myRUNAS_ID on these nodes."
+ rm -rf $DIR/d0_runas_test
+}