+ $CHECKSTAT -t file $DIR/$tfile-* && return 2 || true
+}
+run_test 42 "recovery after ost failure"
+
+# timeout in MDS/OST recovery RPC will LBUG MDS
+test_43() { # bug 2530
+ replay_barrier $SINGLEMDS
+
+ # OBD_FAIL_OST_CREATE_NET 0x204
+ do_facet ost1 "sysctl -w lustre.fail_loc=0x80000204"
+ fail $SINGLEMDS
+ sleep 10
+ do_facet ost1 "sysctl -w lustre.fail_loc=0"
+
+ return 0
+}
+run_test 43 "mds osc import failure during recovery; don't LBUG"
+
+test_44() {
+ mdcdev=`awk '/MDT0000-mdc-/ {print $1}' $LPROC/devices`
+ [ "$mdcdev" ] || exit 2
+ for i in `seq 1 10`; do
+ #define OBD_FAIL_TGT_CONN_RACE 0x701
+ do_facet $SINGLEMDS "sysctl -w lustre.fail_loc=0x80000701"
+ $LCTL --device $mdcdev recover
+ df $MOUNT
+ done
+ do_facet $SINGLEMDS "sysctl -w lustre.fail_loc=0"
+ return 0
+}
+run_test 44 "race in target handle connect"
+
+test_44b() {
+ mdcdev=`awk '/MDT0000-mdc-/ {print $1}' $LPROC/devices`
+ [ "$mdcdev" ] || exit 2
+ for i in `seq 1 10`; do
+ #define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
+ do_facet $SINGLEMDS "sysctl -w lustre.fail_loc=0x80000704"
+ $LCTL --device $mdcdev recover
+ df $MOUNT
+ done
+ do_facet $SINGLEMDS "sysctl -w lustre.fail_loc=0"
+ return 0
+}
+run_test 44b "race in target handle connect"
+
+# Handle failed close
+test_45() {
+ mdcdev=`awk '/MDT0000-mdc-/ {print $1}' $LPROC/devices`
+ [ "$mdcdev" ] || exit 2
+ $LCTL --device $mdcdev recover
+
+ multiop $DIR/$tfile O_c &
+ pid=$!
+ sleep 1
+
+ # This will cause the CLOSE to fail before even
+ # allocating a reply buffer
+ $LCTL --device $mdcdev deactivate || return 4
+
+ # try the close
+ kill -USR1 $pid
+ wait $pid || return 1
+
+ $LCTL --device $mdcdev activate || return 5
+ sleep 1
+
+ $CHECKSTAT -t file $DIR/$tfile || return 2
+ return 0
+}
+run_test 45 "Handle failed close"
+
+test_46() {
+ dmesg -c >/dev/null
+ drop_reply "touch $DIR/$tfile"
+ fail $SINGLEMDS
+ # ironically, the previous test, 45, will cause a real forced close,
+ # so just look for one for this test
+ dmesg | grep -i "force closing client file handle for $tfile" && return 1
+ return 0
+}
+run_test 46 "Don't leak file handle after open resend (3325)"
+
+test_47() { # bug 2824
+ # create some files to make sure precreate has been done on all
+ # OSTs. (just in case this test is run independently)
+ createmany -o $DIR/$tfile 20 || return 1
+
+ # OBD_FAIL_OST_CREATE_NET 0x204
+ fail ost1
+ do_facet ost1 "sysctl -w lustre.fail_loc=0x80000204"
+ df $MOUNT || return 2
+
+ # let the MDS discover the OST failure, attempt to recover, fail
+ # and recover again.
+ sleep $((3 * TIMEOUT))
+
+ # Without 2824, this createmany would hang
+ createmany -o $DIR/$tfile 20 || return 3
+ unlinkmany $DIR/$tfile 20 || return 4
+
+ do_facet ost1 "sysctl -w lustre.fail_loc=0"
+ return 0
+}
+run_test 47 "MDS->OSC failure during precreate cleanup (2824)"
+
+test_48() {
+ replay_barrier $SINGLEMDS
+ createmany -o $DIR/$tfile 20 || return 1
+ # OBD_FAIL_OST_EROFS 0x216
+ fail $SINGLEMDS
+ do_facet ost1 "sysctl -w lustre.fail_loc=0x80000216"
+ df $MOUNT || return 2
+
+ createmany -o $DIR/$tfile 20 20 || return 2
+ unlinkmany $DIR/$tfile 40 || return 3
+
+ do_facet ost1 "sysctl -w lustre.fail_loc=0"
+ return 0
+}
+run_test 48 "MDS->OSC failure during precreate cleanup (2824)"
+
+test_50() {
+ local oscdev=`do_facet $SINGLEMDS grep ${ost1_svc}-osc-MDT0000 $LPROC/devices | awk '{print $1}'`
+ [ "$oscdev" ] || return 1
+ do_facet $SINGLEMDS $LCTL --device $oscdev recover || return 2
+ do_facet $SINGLEMDS $LCTL --device $oscdev recover || return 3
+ # give the mds_lov_sync threads a chance to run
+ sleep 5
+}
+run_test 50 "Double OSC recovery, don't LASSERT (3812)"
+
+# b3764 timed out lock replay
+test_52() {
+ touch $DIR/$tfile
+ cancel_lru_locks mdc
+
+ multiop $DIR/$tfile s || return 1
+ replay_barrier $SINGLEMDS
+#define OBD_FAIL_LDLM_REPLY 0x30c
+ do_facet $SINGLEMDS "sysctl -w lustre.fail_loc=0x8000030c"
+ fail $SINGLEMDS || return 2
+ do_facet $SINGLEMDS "sysctl -w lustre.fail_loc=0x0"
+
+ $CHECKSTAT -t file $DIR/$tfile-* && return 3 || true
+}
+run_test 52 "time out lock replay (3764)"
+
+#b_cray 53 "|X| open request and close reply while two MDC requests in flight"
+#b_cray 54 "|X| open request and close reply while two MDC requests in flight"
+
+#b3761 ASSERTION(hash != 0) failed
+test_55() {
+# OBD_FAIL_MDS_OPEN_CREATE | OBD_FAIL_ONCE
+ do_facet $SINGLEMDS "sysctl -w lustre.fail_loc=0x8000012b"
+ touch $DIR/$tfile &
+ # give touch a chance to run
+ sleep 5
+ do_facet $SINGLEMDS "sysctl -w lustre.fail_loc=0x0"
+ rm $DIR/$tfile
+ return 0
+}
+run_test 55 "let MDS_CHECK_RESENT return the original return code instead of 0"
+
+#b3440 ASSERTION(rec->ur_fid2->id) failed
+test_56() {
+ ln -s foo $DIR/$tfile
+ replay_barrier $SINGLEMDS
+ #drop_reply "cat $DIR/$tfile"
+ fail $SINGLEMDS
+ sleep 10