LU-15577 tests: fix interop issue

Sanity test 831 expects MDS to have osp.*.max_sync_changes
tunable, appeared in 2.14.56.
Adding a check to skip older MDSes.

Fixes: c226e70007 ("LU-15114 osp: changes queuing throttle")
Test-Parameters: trivial serverversion=2.12 serverdistro=el7.9 testlist=sanity env=ONLY=831
Test-Parameters: trivial testlist=sanity env=ONLY=831
Signed-off-by: Alexander Zarochentsev <alexander.zarochentsev@hpe.com>
Change-Id: I911f7b0d9dd606f08f544fce55bf8bcfe9fb69e3
Reviewed-on: https://review.whamcloud.com/46566
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Elena Gryaznova <elena.gryaznova@hpe.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index d37c6b5..573fc82 100755 (executable)
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -28020,6 +28020,9 @@ test_823() {
 run_test 823 "Setting create_count > OST_MAX_PRECREATE is lowered to maximum"
 
 test_831() {
+       [[ $MDS1_VERSION -lt $(version_code 2.14.56) ]] &&
+               skip "Need MDS version 2.14.56"
+
        local sync_changes=$(do_facet $SINGLEMDS \
                $LCTL get_param -n osp.$FSNAME-OST0000-osc-MDT0000.sync_changes)