+iozone_bg () {
+ local args=$@
+
+ local tmppipe=$TMP/${TESTSUITE}.${TESTNAME}.pipe
+ mkfifo $tmppipe
+
+ echo "+ iozone $args"
+ iozone $args > $tmppipe &
+
+ local pid=$!
+
+ echo "tmppipe=$tmppipe"
+ echo iozone pid=$pid
+
+ # iozone exit code is 0 even if iozone is not completed
+ # need to check iozone output on "complete"
+ local iozonelog=$TMP/${TESTSUITE}.iozone.log
+ rm -f $iozonelog
+ cat $tmppipe | while read line ; do
+ echo "$line"
+ echo "$line" >>$iozonelog
+ done;
+
+ local rc=0
+ wait $pid
+ rc=$?
+ if ! $(tail -1 $iozonelog | grep -q complete); then
+ echo iozone failed!
+ rc=1
+ fi
+ rm -f $tmppipe
+ rm -f $iozonelog
+ return $rc
+}
+
+test_5() {
+ [ -z "`which iozone 2> /dev/null`" ] && skip_env "iozone missing" && return 0
+
+ # striping is -c 1, get min of available
+ local minavail=$(lctl get_param -n osc.*[oO][sS][cC][-_]*.kbytesavail | sort -n | head -1)
+ local size=$(( minavail * 3/4 ))
+ local GB=1048576 # 1048576KB == 1GB
+
+ if (( size > GB )); then
+ size=$GB
+ fi
+ local iozone_opts="-i 0 -i 1 -i 2 -+d -r 4 -s $size -f $TDIR/$tfile"
+
+ iozone_bg $iozone_opts &
+ local pid=$!
+
+ echo iozone bg pid=$pid
+
+ sleep 8
+ fail ost1
+ local rc=0
+ wait $pid
+ rc=$?
+ log "iozone rc=$rc"
+ rm -f $TDIR/$tfile
+ wait_delete_completed_mds
+ [ $rc -eq 0 ] || error "iozone failed"
+ return $rc
+}
+run_test 5 "Fail OST during iozone"
+
+kbytesfree() {
+ calc_osc_kbytes kbytesfree
+}
+
+test_6() {
+ remote_mds_nodsh && skip "remote MDS with nodsh" && return 0
+
+ f=$TDIR/$tfile
+ rm -f $f
+ sync && sleep 2 && sync # wait for delete thread
+
+ # wait till space is returned, following
+ # (( $before > $after_dd)) test counting on that
+ wait_mds_ost_sync || return 4
+ wait_destroy_complete || return 5
+
+ before=`kbytesfree`
+ dd if=/dev/urandom bs=4096 count=1280 of=$f || return 28
+ lfs getstripe $f
+ stripe_index=$(lfs getstripe -i $f)
+
+ sync
+ sleep 2 # ensure we have a fresh statfs
+ sync
+
+ #define OBD_FAIL_MDS_REINT_NET_REP 0x119
+ do_facet $SINGLEMDS "lctl set_param fail_loc=0x80000119"
+ after_dd=`kbytesfree`
+ log "before: $before after_dd: $after_dd"
+ (( $before > $after_dd )) || return 1
+ rm -f $f
+ fail ost$((stripe_index + 1))
+ wait_recovery_complete ost$((stripe_index + 1)) ||
+ error "OST$((stripe_index + 1)) recovery not completed"
+ $CHECKSTAT -t file $f && return 2 || true
+ sync
+ # let the delete happen
+ wait_mds_ost_sync || return 4
+ wait_delete_completed || return 5
+ after=`kbytesfree`
+ log "before: $before after: $after"
+ (( $before <= $after + 40 )) || return 3 # take OST logs into account
+}
+run_test 6 "Fail OST before obd_destroy"
+
+test_7() {
+ f=$TDIR/$tfile
+ rm -f $f
+ sync && sleep 5 && sync # wait for delete thread
+
+ # wait till space is returned, following
+ # (( $before > $after_dd)) test counting on that
+ wait_mds_ost_sync || return 4
+ wait_destroy_complete || return 5
+
+ before=`kbytesfree`
+ dd if=/dev/urandom bs=4096 count=1280 of=$f || return 4
+ sync
+ sleep 2 # ensure we have a fresh statfs
+ sync
+ after_dd=`kbytesfree`
+ log "before: $before after_dd: $after_dd"
+ (( $before > $after_dd )) || return 1
+ replay_barrier ost1
+ rm -f $f
+ fail ost1
+ wait_recovery_complete ost1 || error "OST recovery not done"
+ $CHECKSTAT -t file $f && return 2 || true
+ sync
+ # let the delete happen
+ wait_mds_ost_sync || return 4
+ wait_delete_completed || return 5
+ after=`kbytesfree`
+ log "before: $before after: $after"
+ (( $before <= $after + 40 )) || return 3 # take OST logs into account
+}
+run_test 7 "Fail OST before obd_destroy"
+
+test_8a() {
+ [[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.3.0) ]] ||
+ { skip "Need MDS version at least 2.3.0"; return; }
+ verify=$ROOT/tmp/verify-$$
+ dd if=/dev/urandom of=$verify bs=4096 count=1280 ||
+ error "Create verify file failed"
+#define OBD_FAIL_OST_DQACQ_NET 0x230
+ do_facet ost1 "lctl set_param fail_loc=0x230"
+ dd if=$verify of=$TDIR/$tfile bs=4096 count=1280 oflag=sync &
+ ddpid=$!
+ sleep $TIMEOUT # wait for the io to become redo io
+ if ! ps -p $ddpid > /dev/null 2>&1; then
+ error "redo io finished incorrectly"
+ return 1
+ fi
+ do_facet ost1 "lctl set_param fail_loc=0"
+ wait $ddpid || true
+ cancel_lru_locks osc
+ cmp $verify $TDIR/$tfile || return 2
+ rm -f $verify $TDIR/$tfile
+ message=`dmesg | grep "redo for recoverable error -115"`
+ [ -z "$message" ] || error "redo error messages found in dmesg"
+}
+run_test 8a "Verify redo io: redo io when get -EINPROGRESS error"
+
+test_8b() {
+ [[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.3.0) ]] ||
+ { skip "Need MDS version at least 2.3.0"; return; }
+ verify=$ROOT/tmp/verify-$$
+ dd if=/dev/urandom of=$verify bs=4096 count=1280 ||
+ error "Create verify file failed"
+#define OBD_FAIL_OST_DQACQ_NET 0x230
+ do_facet ost1 "lctl set_param fail_loc=0x230"
+ dd if=$verify of=$TDIR/$tfile bs=4096 count=1280 oflag=sync &
+ ddpid=$!
+ sleep $TIMEOUT # wait for the io to become redo io
+ fail ost1
+ do_facet ost1 "lctl set_param fail_loc=0"
+ wait $ddpid || return 1
+ cancel_lru_locks osc
+ cmp $verify $TDIR/$tfile || return 2
+ rm -f $verify $TDIR/$tfile
+}
+run_test 8b "Verify redo io: redo io should success after recovery"
+
+test_8c() {
+ [[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.3.0) ]] ||
+ { skip "Need MDS version at least 2.3.0"; return; }
+ verify=$ROOT/tmp/verify-$$
+ dd if=/dev/urandom of=$verify bs=4096 count=1280 ||
+ error "Create verify file failed"
+#define OBD_FAIL_OST_DQACQ_NET 0x230
+ do_facet ost1 "lctl set_param fail_loc=0x230"
+ dd if=$verify of=$TDIR/$tfile bs=4096 count=1280 oflag=sync &
+ ddpid=$!
+ sleep $TIMEOUT # wait for the io to become redo io
+ ost_evict_client
+ # allow recovery to complete
+ sleep $((TIMEOUT + 2))
+ do_facet ost1 "lctl set_param fail_loc=0"
+ wait $ddpid
+ cancel_lru_locks osc
+ cmp $verify $TDIR/$tfile && return 2
+ rm -f $verify $TDIR/$tfile
+}
+run_test 8c "Verify redo io: redo io should fail after eviction"
+
+test_8d() {
+ [[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.3.0) ]] ||
+ { skip "Need MDS version at least 2.3.0"; return; }
+#define OBD_FAIL_MDS_DQACQ_NET 0x187
+ do_facet $SINGLEMDS "lctl set_param fail_loc=0x187"
+ # test the non-intent create path
+ mcreate $TDIR/$tfile &
+ cpid=$!
+ sleep $TIMEOUT
+ if ! ps -p $cpid > /dev/null 2>&1; then
+ error "mknod finished incorrectly"
+ return 1
+ fi
+ do_facet $SINGLEMDS "lctl set_param fail_loc=0"
+ wait $cpid || return 2
+ stat $TDIR/$tfile || error "mknod failed"
+
+ rm $TDIR/$tfile
+
+#define OBD_FAIL_MDS_DQACQ_NET 0x187
+ do_facet $SINGLEMDS "lctl set_param fail_loc=0x187"
+ # test the intent create path
+ openfile -f O_RDWR:O_CREAT $TDIR/$tfile &
+ cpid=$!
+ sleep $TIMEOUT
+ if ! ps -p $cpid > /dev/null 2>&1; then
+ error "open finished incorrectly"
+ return 3
+ fi
+ do_facet $SINGLEMDS "lctl set_param fail_loc=0"
+ wait $cpid || return 4
+ stat $TDIR/$tfile || error "open failed"
+}
+run_test 8d "Verify redo creation on -EINPROGRESS"
+
+test_8e() {
+ [[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.3.0) ]] ||
+ { skip "Need MDS version at least 2.3.0"; return; }
+ sleep 1 # ensure we have a fresh statfs
+#define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231
+ do_facet ost1 "lctl set_param fail_loc=0x231"
+ df $MOUNT &
+ dfpid=$!
+ sleep $TIMEOUT
+ if ! ps -p $dfpid > /dev/null 2>&1; then
+ do_facet ost1 "lctl set_param fail_loc=0"
+ error "df shouldn't have completed!"
+ return 1
+ fi
+ do_facet ost1 "lctl set_param fail_loc=0"
+}
+run_test 8e "Verify that ptlrpc resends request on -EINPROGRESS"
+
+complete $SECONDS
+check_and_cleanup_lustre
+exit_status