LU-16826 tests: lfsck to repair a dangling remote entry

[fs/lustre-release.git] / lustre / tests / sanity-lfsck.sh

diff --git a/lustre/tests/sanity-lfsck.sh b/lustre/tests/sanity-lfsck.sh
index 72a66d0..ff3280a 100755 (executable)
--- a/lustre/tests/sanity-lfsck.sh
+++ b/lustre/tests/sanity-lfsck.sh
@@ -4184,6 +4184,50 @@ test_23c() {
 }
 run_test 23c "LFSCK can repair dangling name entry (3)"
 
+test_23d() {
+       (( MDSCOUNT >= 2 )) || skip "needs >= 2 MDTs"
+       [[ $mds1_FSTYPE == ldiskfs ]] ||
+               skip "ldiskfs-only test due to a low-level mds fs access"
+
+       mkdir $DIR/$tdir
+       $LFS mkdir -i 0 $DIR/$tdir/mdt0dir
+       $LFS mkdir -i 1 $DIR/$tdir/mdt1dir
+
+       echo "b-a-r" > $DIR/$tdir/mdt0dir/foo
+       local foofid=$($LFS path2fid $DIR/$tdir/mdt0dir/foo | sed -E 's/^.(.*).$/\1/')
+
+       mv $DIR/$tdir/mdt0dir/foo $DIR/$tdir/mdt1dir/
+
+       stop mds1
+
+       local devname=$(mdsdevname 1)
+       local cmd="$DEBUGFS -w -R \\\"rm /REMOTE_PARENT_DIR/${foofid}\\\" $devname"
+       do_facet mds1 "$cmd"
+
+       start mds1 $devname $MDS_MOUNT_OPTS || error "start mds1 failed"
+
+       cat $DIR/$tdir/mdt1dir/foo && error "file read should fail"
+
+       do_facet mds2 $LCTL lfsck_start -M ${FSNAME}-MDT0001 -t namespace -C ||
+               error "lfsck namespace failed to start"
+       wait_update_facet mds2 "$LCTL get_param -n \
+               mdd.${FSNAME}-MDT0001.lfsck_namespace |
+               awk '/^status/ { print \\\$2 }'" "completed" 32 ||
+                       error " unexpected lfsck status"
+
+       cat $DIR/$tdir/mdt1dir/foo || error "file read should succeed"
+
+       do_facet mds1 $LCTL lfsck_start -M ${FSNAME}-MDT0000 -t layout -o ||
+               error "lfsck namespace failed to start"
+       wait_update_facet mds1 "$LCTL get_param -n \
+               mdd.${FSNAME}-MDT0000.lfsck_layout |
+               awk '/^status/ { print \\\$2 }'" "completed" 32 ||
+                       error " unexpected lfsck status"
+
+       cmp $DIR/$tdir/mdt1dir/foo <(echo "b-a-r") || error "file body has changed"
+}
+run_test 23d "LFSCK can repair a dangling name entry to a remote object"
+
 test_24() {
        [ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
        [ -n "$FILESET" ] && skip "Not functional for FILESET set"