#!/bin/bash
+#
+# test e2fsck and lfsck to detect and fix filesystem corruption
+#
#set -vx
set -e
-TESTNAME="lfsck"
-TMP=${TMP:-/tmp}
-MDSDB=${MDSDB:-$TMP/mdsdb}
-OSTDB=${OSTDB:-$TMP/ostdb}
-LOG=${LOG:-"$TMP/lfsck.log"}
-L2FSCK_PATH=${L2FSCK_PATH:-""}
+LUSTRE=${LUSTRE:-$(cd $(dirname $0)/..; echo $PWD)}
+. $LUSTRE/tests/test-framework.sh
+init_test_env $@
+. ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
+
NUMFILES=${NUMFILES:-10}
NUMDIRS=${NUMDIRS:-4}
-LFIND=${LFIND:-"lfs find"}
-GETFATTR=${GETFATTR:-getfattr}
-SETFATTR=${SETFATTR:-setfattr}
-MAX_ERR=1
+OSTIDX=${OSTIDX:-0} # the OST index in LOV
+OBJGRP=${OBJGRP:-0} # the OST object group
+
+[ -d "$SHARED_DIRECTORY" ] || \
+ { skip "SHARED_DIRECTORY should be specified with a shared directory \
+which can be accessable on all of the nodes" && exit 0; }
+
+which getfattr > /dev/null 2>&1 || { skip "could not find getfattr" && exit 0; }
+which setfattr > /dev/null 2>&1 || { skip "could not find setfattr" && exit 0; }
+
+MOUNT_2=""
+check_and_setup_lustre
+
+assert_DIR
+
+# Create some dirs and files on the filesystem.
+create_files_sub() {
+ local test_dir=$1
+ local num_dirs=$2
+ local file_name=$3
+ local first_num=$4
+ local last_num=$5
+ local d e f
+
+ for d in $(seq -f d%g $first_num $last_num); do
+ echo "creating files in $test_dir/$d"
+ for e in $(seq -f d%g $num_dirs); do
+ mkdir -p $test_dir/$d/$e || error "mkdir $test_dir/$d/$e failed"
+ for f in $(seq -f test%g $num_dirs); do
+ cp $file_name $test_dir/$d/$e/$f || \
+ error "cp $file_name $test_dir/$d/$e/$f failed"
+ done
+ done
+ done
+}
-export PATH=$LFSCK_PATH:`dirname $0`:`dirname $0`/../utils:$PATH
+create_files() {
+ local test_dir=$1
+ local num_dirs=$2
+ local num_files=$3
+ local f
+
+ # create some files on the filesystem
+ local first_num=1
+ local last_num=$num_dirs
+ create_files_sub $test_dir $num_dirs /etc/fstab $first_num $last_num
+
+ # create files to be modified
+ for f in $(seq -f $test_dir/testfile.%g $((num_files * 3))); do
+ echo "creating $f"
+ cp /etc/termcap $f || error "cp /etc/termcap $f failed"
+ done
+
+ # create some more files
+ first_num=$((num_dirs * 2 + 1))
+ last_num=$((num_dirs * 2 + 3))
+ create_files_sub $test_dir $num_dirs /etc/hosts $first_num $last_num
+
+ # these should NOT be taken as duplicates
+ for f in $(seq -f $test_dir/d$last_num/linkfile.%g $num_files); do
+ echo "linking files in $test_dir/d$last_num"
+ cp /etc/hosts $f || error "cp /etc/hosts $f failed"
+ ln $f $f.link || error "ln $f $f.link failed"
+ done
+}
-[ -z "`which $GETFATTR`" ] && echo "$0: $GETFATTR not found" && exit 5
-[ -z "`which $SETFATTR`" ] && echo "$0: $SETFATTR not found" && exit 6
+# Get the objids for files on the OST (given the OST index and object group).
+get_objects() {
+ local obdidx=$1
+ shift
+ local group=$1
+ shift
+ local ost_files="$@"
+ local ost_objids
+ ost_objids=$($LFS getstripe $ost_files | \
+ awk '{if ($1 == '$obdidx' && $4 == '$group') print $2 }')
+ echo $ost_objids
+}
-LUSTRE=${LUSTRE:-`dirname $0`/..}
-. $LUSTRE/tests/test-framework.sh
-init_test_env $@
-. ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
-init_logging
+# Get the OST nodet name (given the OST index).
+get_ost_node() {
+ local obdidx=$1
+ local ost_uuid
+ local ost_node
+ local node
+
+ ost_uuid=$($LFS osts | grep "^$obdidx: " | cut -d' ' -f2 | head -n1)
+
+ for node in $(osts_nodes); do
+ do_node $node "lctl get_param -n obdfilter.*.uuid" | grep -q $ost_uuid
+ [ ${PIPESTATUS[1]} -eq 0 ] && ost_node=$node && break
+ done
+ [ -z "$ost_node" ] && \
+ echo "failed to find the OST with index $obdidx" && return 1
+ echo $ost_node
+}
-require_dsh_mds || exit 0
-require_dsh_ost || exit 0
+# Get the OST target device (given the OST facet name and OST index).
+get_ost_dev() {
+ local node=$1
+ local obdidx=$2
+ local ost_name
+ local ost_dev
-if [ ! -x /usr/sbin/lfsck ]; then
- log "$($E2FSCK -V)"
- log "SKIP: $E2FSCK does not support lfsck"
- exit 0
-fi
+ ost_name=$($LFS osts | grep "^$obdidx: " | cut -d' ' -f2 | \
+ head -n1 | sed -e 's/_UUID$//')
-# if nothing mounted, don't nuke MOUNT variable needed in llmount.sh
-WAS_MOUNTED=$(mounted_lustre_filesystems | head -1)
-if [ -z "$WAS_MOUNTED" ]; then
- # This code doesn't handle multiple mounts well, so nuke MOUNT2 variable
- MOUNT2="" sh llmount.sh
- MOUNT=$(mounted_lustre_filesystems)
- [ -z "$MOUNT" ] && echo "NAME=$NAME not mounted" && exit 2
-else
- MOUNT=${WAS_MOUNTED}
-fi
+ ost_dev=$(do_node $node "lctl get_param -n obdfilter.$ost_name.mntdev")
+ [ ${PIPESTATUS[0]} -ne 0 ] && \
+ echo "failed to find the OST device with index $obdidx on $facet" && \
+ return 1
-DIR=${DIR:-$MOUNT/$TESTNAME}
-[ -z "`echo $DIR | grep $MOUNT`" ] && echo "$DIR not in $MOUNT" && exit 3
+ if [[ $ost_dev = *loop* ]]; then
+ ost_dev=$(do_node $node "losetup $ost_dev" | \
+ sed -e "s/.*(//" -e "s/).*//")
+ fi
-if [ "$WAS_MOUNTED" ]; then
- LFSCK_SETUP=no
- MAX_ERR=4 # max expected error from e2fsck
-fi
+ echo $ost_dev
+}
-get_mnt_devs() {
- DEVS=`lctl get_param -n $1.*.mntdev`
- for DEV in $DEVS; do
- case $DEV in
- *loop*) losetup $DEV | sed -e "s/.*(//" -e "s/).*//" ;;
- *) echo $DEV ;;
- esac
- done
+# Get the file names to be duplicated or removed on the MDS.
+get_files() {
+ local flavor=$1
+ local test_dir=$2
+ local num_files=$3
+ local first last
+ local test_file
+
+ case $flavor in
+ dup)
+ first=$((num_files + 1))
+ last=$((num_files * 2))
+ ;;
+ remove)
+ first=$((num_files * 2 + 1))
+ last=$((num_files * 3))
+ ;;
+ *) echo "get_files(): invalid flavor" && return 1 ;;
+ esac
+
+ local files=""
+ local f
+ for f in $(seq -f testfile.%g $first $last); do
+ test_file=$test_dir/$f
+ files="$files $test_file"
+ done
+ files=$(echo $files | sed "s#$DIR/##g")
+ echo $files
}
-if [ "$LFSCK_SETUP" != "no" ]; then
- #Create test directory
- # -- can't remove the mountpoint...
- [ -z "$DIR" ] && rm -rf $DIR/*
- mkdir -p $DIR
- OSTCOUNT=`$LFIND $MOUNT | grep -c "^[0-9]*: "`
-
- # Create some files on the filesystem
- for d in `seq -f d%g $NUMDIRS`; do
- echo "creating files in $DIR/$d"
- for e in `seq -f d%g $NUMDIRS`; do
- mkdir -p $DIR/$d/$e
- for f in `seq -f test%g $NUMDIRS`; do
- cp /etc/fstab $DIR/$d/$e/$f ||exit 5
- done
- done
- done
+# Remove objects associated with files.
+remove_objects() {
+ local node=$1
+ shift
+ local ostdev=$1
+ shift
+ local group=$1
+ shift
+ local objids="$@"
+ local tmp
+ local i
+ local rc
+
+ echo "removing objects from $ostdev on $facet: $objids"
+ tmp=$(mktemp $SHARED_DIRECTORY/debugfs.XXXXXXXXXX)
+ for i in $objids; do
+ echo "rm O/$group/d$((i % 32))/$i" >> $tmp
+ done
+
+ do_node $node "$DEBUGFS -w -f $tmp $ostdev"
+ rc=${PIPESTATUS[0]}
+ rm -f $tmp
+
+ return $rc
+}
- # Create Files to be modified
- for f in `seq -f $DIR/testfile.%g $((NUMFILES * 3))`; do
- echo "creating $f"
- cp /etc/termcap $f || exit 10
- done
+# Remove files from MDS.
+remove_files() {
+ do_rpc_nodes $(facet_host $1) remove_mdt_files $@
+}
- #Create some more files
- for d in `seq -f d%g $((NUMDIRS * 2 + 1)) $((NUMDIRS * 2 + 3))`; do
- echo "creating files in $DIR/$d"
- for e in `seq -f d%g $NUMDIRS`; do
- mkdir -p $DIR/$d/$e
- for f in `seq -f test%g $NUMDIRS`; do
- cp /etc/hosts $DIR/$d/$e/$f ||exit 15
- done
- done
- done
+# Create EAs on files so objects are referenced from different files.
+duplicate_files() {
+ do_rpc_nodes $(facet_host $1) duplicate_mdt_files $@
+}
- # these should NOT be taken as duplicates
- for f in `seq -f $DIR/$d/linkfile.%g $NUMFILES`; do
- echo "linking files in $DIR/$d"
- cp /etc/hosts $f
- ln $f $f.link
- done
+#********************************* Main Flow **********************************#
- # Get objids for a file on the OST
- OST_FILES=`seq -f $DIR/testfile.%g $NUMFILES`
- OST_REMOVE=`$LFIND $OST_FILES | awk '$1 == 0 { print $2 }' | head -n $NUMFILES`
+init_logging
- export MDS_DUPE=""
- for f in `seq -f testfile.%g $((NUMFILES + 1)) $((NUMFILES * 2))`; do
- TEST_FILE=$DIR/$f
- echo "DUPLICATING MDS file $TEST_FILE"
- $LFIND -v $TEST_FILE >> $LOG || exit 20
- MDS_DUPE="$MDS_DUPE $TEST_FILE"
- done
- MDS_DUPE=`echo $MDS_DUPE | sed "s#$MOUNT/##g"`
-
- export MDS_REMOVE=""
- for f in `seq -f testfile.%g $((NUMFILES * 2 + 1)) $((NUMFILES * 3))`; do
- TEST_FILE=$DIR/$f
- echo "REMOVING MDS file $TEST_FILE which has info:"
- $LFIND -v $TEST_FILE >> $LOG || exit 30
- MDS_REMOVE="$MDS_REMOVE $TEST_FILE"
- done
- MDS_REMOVE=`echo $MDS_REMOVE | sed "s#$MOUNT/##g"`
-
- # when the OST is also using an OSD this needs to be fixed
- MDTDEVS=`get_mnt_devs osd`
- OSTDEVS=`get_mnt_devs obdfilter`
- OSTCOUNT=`echo $OSTDEVS | wc -w`
- sh llmountcleanup.sh || exit 40
-
- # Remove objects associated with files
- echo "removing objects: `echo $OST_REMOVE`"
- DEBUGTMP=`mktemp $TMP/debugfs.XXXXXXXXXX`
- for i in $OST_REMOVE; do
- echo "rm O/0/d$((i % 32))/$i" >> $DEBUGTMP
- done
- $DEBUGFS -w -f $DEBUGTMP `echo $OSTDEVS | cut -d' ' -f 1`
- RET=$?
- rm $DEBUGTMP
- [ $RET -ne 0 ] && exit 50
-
- SAVE_PWD=$PWD
- mount -t $FSTYPE -o loop $MDSDEV $MOUNT || exit 60
- do_umount() {
- trap 0
- cd $SAVE_PWD
- umount -f $MOUNT
- }
- trap do_umount EXIT
-
- #Remove files from mds
- for f in $MDS_REMOVE; do
- rm $MOUNT/ROOT/$f || exit 70
- done
+# get the server target devices
+get_svr_devs
- #Create EAs on files so objects are referenced from different files
- ATTRTMP=`mktemp $TMP/setfattr.XXXXXXXXXX`
- cd $MOUNT/ROOT || exit 78
- for f in $MDS_DUPE; do
- touch $f.bad || exit 74
- getfattr -n trusted.lov $f | sed "s#$f#&.bad#" > $ATTRTMP
- setfattr --restore $ATTRTMP || exit 80
- done
- cd $SAVE_PWD
- rm $ATTRTMP
+if [ "$SKIP_LFSCK" = "no" ] && is_empty_fs $MOUNT; then
+ # create test directory
+ TESTDIR=$DIR/d0.$TESTSUITE
+ mkdir -p $TESTDIR || error "mkdir $TESTDIR failed"
- do_umount
-else
- # when the OST is also using an OSD this needs to be fixed
- MDTDEVS=`get_mnt_devs osd`
- OSTDEVS=`get_mnt_devs obdfilter`
- OSTCOUNT=`echo $OSTDEVS | wc -w`
-fi # LFSCK_SETUP
-
-# Run e2fsck to get mds and ost info
-# a return status of 1 indicates e2fsck successfuly fixed problems found
-set +e
-
-echo "$E2FSCK -d -v -fn --mdsdb $MDSDB $MDSDEV"
-df > /dev/null # update statfs data on disk
-$E2FSCK -d -v -fn --mdsdb $MDSDB $MDSDEV
-RET=$?
-[ $RET -gt $MAX_ERR ] && echo "$E2FSCK returned $RET" && exit 90 || true
-
-export OSTDB_LIST=""
-i=0
-for OSTDEV in $OSTDEVS; do
- df > /dev/null # update statfs data on disk
- $E2FSCK -d -v -fn --mdsdb $MDSDB --ostdb $OSTDB-$i $OSTDEV
- RET=$?
- [ $RET -gt $MAX_ERR ] && echo "$E2FSCK returned $RET" && exit 100
- OSTDB_LIST="$OSTDB_LIST $OSTDB-$i"
- i=$((i + 1))
-done
-
-#Remount filesystem
-[ "`mount | grep $MOUNT`" ] || $SETUP
-
-# need to turn off shell error detection to get proper error return
+ # create some dirs and files on the filesystem
+ create_files $TESTDIR $NUMDIRS $NUMFILES
+
+ # get the objids for files in group $OBJGRP on the OST with index $OSTIDX
+ OST_REMOVE=$(get_objects $OSTIDX $OBJGRP \
+ $(seq -f $TESTDIR/testfile.%g $NUMFILES))
+
+ # get the node name and target device for the OST with index $OSTIDX
+ OSTNODE=$(get_ost_node $OSTIDX) || error "get_ost_node by index $OSTIDX failed"
+ OSTDEV=$(get_ost_dev $OSTNODE $OSTIDX) || \
+ error "get_ost_dev $OSTNODE $OSTIDX failed"
+
+ # get the file names to be duplicated on the MDS
+ MDS_DUPE=$(get_files dup $TESTDIR $NUMFILES) || error "$MDS_DUPE"
+ # get the file names to be removed from the MDS
+ MDS_REMOVE=$(get_files remove $TESTDIR $NUMFILES) || error "$MDS_REMOVE"
+
+ stopall -f || error "cleanupall failed"
+
+ # remove objects associated with files in group $OBJGRP
+ # on the OST with index $OSTIDX
+ remove_objects $OSTNODE $OSTDEV $OBJGRP $OST_REMOVE || \
+ error "removing objects failed"
+
+ # remove files from MDS
+ remove_files $SINGLEMDS $MDTDEV $MDS_REMOVE || error "removing files failed"
+
+ # create EAs on files so objects are referenced from different files
+ duplicate_files $SINGLEMDS $MDTDEV $MDS_DUPE || \
+ error "duplicating files failed"
+ FSCK_MAX_ERR=1 # file system errors corrected
+else # I_MOUNTED=no
+ FSCK_MAX_ERR=4 # file system errors left uncorrected
+fi
+
+# Test 1a - check and repair the filesystem
# lfsck will return 1 if the filesystem had errors fixed
-echo "LFSCK TEST 1"
-echo "lfsck -c -l --mdsdb $MDSDB --ostdb $OSTDB_LIST $MOUNT"
-echo y | lfsck -c -l --mdsdb $MDSDB --ostdb $OSTDB_LIST $MOUNT
-RET=$?
-[ $RET -eq 0 ] && echo "clean after first check" && exit 0
-echo "LFSCK TEST 1 - finished with rc=$RET"
-[ $RET -gt $MAX_ERR ] && exit 110 || true
-
-# make sure everything gets to the backing store
-sync; sleep 2; sync
-
-echo "LFSCK TEST 2"
-echo "$E2FSCK -d -v -fn --mdsdb $MDSDB $MDSDEV"
-df > /dev/null # update statfs data on disk
-$E2FSCK -d -v -fn --mdsdb $MDSDB $MDSDEV
-RET=$?
-[ $RET -gt $MAX_ERR ] && echo "$E2FSCK returned $RET" && exit 123 || true
-
-i=0
-export OSTDB_LIST=""
-for OSTDEV in $OSTDEVS; do
- df > /dev/null # update statfs data on disk
- $E2FSCK -d -v -fn --mdsdb $MDSDB --ostdb $OSTDB-$i $OSTDEV
- RET=$?
- [ $RET -gt $MAX_ERR ] && echo "$E2FSCK returned $RET" && exit 124
- OSTDB_LIST="$OSTDB_LIST $OSTDB-$i"
- i=$((i + 1))
-done
-
-echo "LFSCK TEST 2"
-echo "lfsck -c -l --mdsdb $MDSDB --ostdb $OSTDB_LIST $MOUNT"
-lfsck -c -l --mdsdb $MDSDB --ostdb $OSTDB_LIST $MOUNT
-RET=$?
-echo "LFSCK TEST 2 - finished with rc=$RET"
-[ $RET -ne 0 ] && exit 125 || true
-if [ -z "$WAS_MOUNTED" ]; then
- sh llmountcleanup.sh || exit 120
+# run e2fsck to generate databases used for lfsck
+generate_db
+if [ "$SKIP_LFSCK" != "no" ]; then
+ echo "skip lfsck"
+else
+ # remount filesystem
+ REFORMAT=""
+ check_and_setup_lustre
+
+ # run lfsck
+ rc=0
+ run_lfsck || rc=$?
+ if [ $rc -eq 0 ]; then
+ echo "clean after the first check"
+ else
+ # run e2fsck again to generate databases used for lfsck
+ generate_db
+
+ # run lfsck again
+ rc=0
+ run_lfsck || rc=$?
+ if [ $rc -eq 0 ]; then
+ echo "clean after the second check"
+ else
+ error "lfsck test 2 - finished with rc=$rc"
+ fi
+ fi
fi
-#Cleanup
-rm -f $MDSDB $OSTDB-* || true
+equals_msg $(basename $0): test complete, cleaning up
+
+LFSCK_ALWAYS=no
+check_and_cleanup_lustre
+[ -f "$TESTSUITELOG" ] && cat $TESTSUITELOG && \
+ grep -q FAIL $TESTSUITELOG && exit 1 || true
echo "$0: completed"
git://git.whamcloud.com / fs / lustre-release.git / blobdiff