LU-3591 lfsck: repair unmatched MDT-OST objects pairs

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

diff --git a/lustre/tests/sanity-lfsck.sh b/lustre/tests/sanity-lfsck.sh
index 1076bfb..2a40d1c 100644 (file)
--- a/lustre/tests/sanity-lfsck.sh
+++ b/lustre/tests/sanity-lfsck.sh
@@ -42,8 +42,8 @@ check_and_setup_lustre
 [[ $(lustre_version_code $SINGLEMDS) -le $(version_code 2.4.90) ]] &&
        ALWAYS_EXCEPT="$ALWAYS_EXCEPT 2c"
 
-[[ $(lustre_version_code ost1) -lt $(version_code 2.5.50) ]] &&
-       ALWAYS_EXCEPT="$ALWAYS_EXCEPT 11 12 13 14"
+[[ $(lustre_version_code ost1) -lt $(version_code 2.5.55) ]] &&
+       ALWAYS_EXCEPT="$ALWAYS_EXCEPT 11 12 13 14 15"
 
 build_test_filter
 
@@ -1321,6 +1321,102 @@ test_14() {
 }
 run_test 14 "LFSCK can repair MDT-object with dangling reference"
 
+test_15a() {
+       echo "#####"
+       echo "If the OST-object referenced by the MDT-object back points"
+       echo "to some non-exist MDT-object, then the LFSCK should repair"
+       echo "the OST-object to back point to the right MDT-object."
+       echo "#####"
+
+       echo "stopall"
+       stopall > /dev/null
+       echo "formatall"
+       formatall > /dev/null
+       echo "setupall"
+       setupall > /dev/null
+
+       mkdir -p $DIR/$tdir
+       $LFS setstripe -c 1 -i 0 $DIR/$tdir
+
+       echo "Inject failure stub to make the OST-object to back point to"
+       echo "non-exist MDT-object."
+       #define OBD_FAIL_LFSCK_UNMATCHED_PAIR1  0x1611
+
+       do_facet ost1 $LCTL set_param fail_loc=0x1611
+       dd if=/dev/zero of=$DIR/$tdir/f0 bs=1M count=1
+       cancel_lru_locks osc
+       sync
+       sleep 2
+       do_facet ost1 $LCTL set_param fail_loc=0
+
+       echo "stopall to cleanup object cache"
+       stopall > /dev/null
+       echo "setupall"
+       setupall > /dev/null
+
+       echo "Trigger layout LFSCK to find out unmatched pairs and fix them"
+       $START_LAYOUT || error "(1) Fail to start LFSCK for layout!"
+
+       wait_update_facet $SINGLEMDS "$LCTL get_param -n \
+               mdd.${MDT_DEV}.lfsck_layout |
+               awk '/^status/ { print \\\$2 }'" "completed" 3 || return 2
+
+       local repaired=$($SHOW_LAYOUT |
+                        awk '/^repaired_unmatched_pair/ { print $2 }')
+       [ $repaired -eq 1 ] ||
+               error "(3) Fail to repair unmatched pair: $repaired"
+}
+run_test 15a "LFSCK can repair unmatched MDT-object/OST-object pairs (1)"
+
+test_15b() {
+       echo "#####"
+       echo "If the OST-object referenced by the MDT-object back points"
+       echo "to other MDT-object that doesn't recognize the OST-object,"
+       echo "then the LFSCK should repair it to back point to the right"
+       echo "MDT-object (the first one)."
+       echo "#####"
+
+       echo "stopall"
+       stopall > /dev/null
+       echo "formatall"
+       formatall > /dev/null
+       echo "setupall"
+       setupall > /dev/null
+
+       mkdir -p $DIR/$tdir
+       $LFS setstripe -c 1 -i 0 $DIR/$tdir
+       touch $DIR/$tdir/guard
+
+       echo "Inject failure stub to make the OST-object to back point to"
+       echo "other MDT-object"
+
+       #define OBD_FAIL_LFSCK_UNMATCHED_PAIR2  0x1612
+       do_facet ost1 $LCTL set_param fail_loc=0x1612
+       dd if=/dev/zero of=$DIR/$tdir/f0 bs=1M count=1
+       cancel_lru_locks osc
+       sync
+       sleep 2
+       do_facet ost1 $LCTL set_param fail_loc=0
+
+       echo "stopall to cleanup object cache"
+       stopall > /dev/null
+       echo "setupall"
+       setupall > /dev/null
+
+       echo "Trigger layout LFSCK to find out unmatched pairs and fix them"
+       $START_LAYOUT || error "(1) Fail to start LFSCK for layout!"
+
+       wait_update_facet $SINGLEMDS "$LCTL get_param -n \
+               mdd.${MDT_DEV}.lfsck_layout |
+               awk '/^status/ { print \\\$2 }'" "completed" 3 || return 2
+
+       local repaired=$($SHOW_LAYOUT |
+                        awk '/^repaired_unmatched_pair/ { print $2 }')
+       [ $repaired -eq 1 ] ||
+               error "(3) Fail to repair unmatched pair: $repaired"
+}
+run_test 15b "LFSCK can repair unmatched MDT-object/OST-object pairs (2)"
+
 $LCTL set_param debug=-lfsck > /dev/null || true
 
 # restore MDS/OST size