LU-2237 tests: new test for re-recreating last_rcvd

To verify that the lost "last_rcvd" file can be re-created
when server mount.

Signed-off-by: Fan Yong <yong.fan@whamcloud.com>
Change-Id: I3eca382f37aa983bed89418c5b5d997d594fd1f3
Reviewed-on: http://review.whamcloud.com/4455
Tested-by: Hudson
Reviewed-by: Jian Yu <jian.yu@intel.com>
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>

diff --git a/lustre/tests/conf-sanity.sh b/lustre/tests/conf-sanity.sh
index 0f0e47d..639e706 100644 (file)
--- a/lustre/tests/conf-sanity.sh
+++ b/lustre/tests/conf-sanity.sh
@@ -3389,6 +3389,46 @@ test_64() {
 }
 run_test 64 "check lfs df --lazy "
 
+test_65() { # LU-2237
+       # Currently, the test is only valid for ldiskfs backend
+       [ "$(facet_fstype $SINGLEMDS)" != "ldiskfs" ] &&
+               skip "non-ldiskfs backend" && return
+
+       local devname=$(mdsdevname ${SINGLEMDS//mds/})
+       local brpt=$(facet_mntpt brpt)
+       local opts=""
+
+       if ! do_facet $SINGLEMDS "test -b $devname"; then
+               opts="-o loop"
+       fi
+
+       stop_mds
+       local obj=$(do_facet $SINGLEMDS \
+                   "$DEBUGFS -c -R \\\"stat last_rcvd\\\" $devname" |
+                   grep Inode)
+       if [ -z "$obj" ]; then
+               # The MDT may be just re-formatted, mount the MDT for the
+               # first time to guarantee the "last_rcvd" file is there.
+               start_mds || error "fail to mount the MDS for the first time"
+               stop_mds
+       fi
+
+       # remove the "last_rcvd" file
+       do_facet $SINGLEMDS "mkdir -p $brpt"
+       do_facet $SINGLEMDS \
+               "mount -t $(facet_fstype $SINGLEMDS) $opts $devname $brpt"
+       do_facet $SINGLEMDS "rm -f ${brpt}/last_rcvd"
+       do_facet $SINGLEMDS "umount $brpt"
+
+       # restart MDS, the "last_rcvd" file should be recreated.
+       start_mds || error "fail to restart the MDS"
+       stop_mds
+       obj=$(do_facet $SINGLEMDS \
+             "$DEBUGFS -c -R \\\"stat last_rcvd\\\" $devname" | grep Inode)
+       [ -n "$obj" ] || error "fail to re-create the last_rcvd"
+}
+run_test 65 "re-create the lost last_rcvd file when server mount"
+
 test_70a() {
        [ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
        local MDTIDX=1