LU-10843 mgs: allow snapshot after MGS remount

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

diff --git a/lustre/tests/sanity-lsnapshot.sh b/lustre/tests/sanity-lsnapshot.sh
index bb699c2..8126799 100755 (executable)
--- a/lustre/tests/sanity-lsnapshot.sh
+++ b/lustre/tests/sanity-lsnapshot.sh
@@ -22,7 +22,7 @@ init_logging
        skip "Need server version at least 2.9.55" && exit 0
 [[ $(facet_fstype mds1) = "ldiskfs" ]] ||
 [[ $(facet_fstype ost1) = "ldiskfs" ]] &&
-       skip "can't test snapshots with ldiskfs" && exit 0
+       skip "ZFS only test" && exit 0
 
 require_dsh_mds || exit 0
 require_dsh_ost || exit 0
@@ -330,6 +330,41 @@ test_3b() {
 }
 run_test 3b "modify snapshot without original filesystem mounted"
 
+test_4() { # LU-10843
+       combined_mgs_mds && skip "Combined MGS/MDS" && return
+
+       local rcmd="$LCTL get_param ldlm.namespaces.MGS.resource_count"
+
+       local exports=$(do_facet mgs "$LCTL get_param -n mgs.MGS.num_exports")
+       local rcount=$(do_facet mgs $rcmd)
+
+       echo "Remount MGT"
+       stop mgs || error "stop mgs failed"
+       start mgs $(mgsdevname) $MGS_MOUNT_OPTS || error "start mgs failed"
+
+       echo "Wait for all reconnects"
+       local CMD="$LCTL get_param -n mgs.MGS.num_exports"
+       wait_update_facet mgs "$CMD" $exports ||
+               lss_err "(1) failed to export from mgs"
+
+       wait_update_facet mgs "$rcmd" $rcount ||
+               lss_err "(2) failed to reconnect mds"
+
+       echo "Create lss_4_0"
+       lsnapshot_create -n lss_4_0 -c "'It is test_4'" ||
+               lss_err "(3) Fail to create lss_4_0"
+
+       echo "List lss_4_0"
+       lsnapshot_list -n lss_4_0 ||
+               lss_err "(4) Fail to list lss_4_0"
+
+       echo "Destroy lss_4_0"
+       lsnapshot_destroy -n lss_4_0 ||
+               lss_err "(5) Fail to destroy lss_4_0"
+
+}
+run_test 4 "create/delete snapshot after MGS remount"
+
 lss_cleanup
 do_facet mgs $LCTL set_param debug=-snapshot
 do_nodes $(comma_list $(mdts_nodes)) $LCTL set_param debug=-snapshot