LU-4748 test: get one single qos_threshold_rr number

In sanity.sh test_116b, if there are multiple MDTs on the same MDS,
we should get one single qos_threshold_rr number instead of the array,
otherwise it will cause resetting qos_threshold_rr failure.

Signed-off-by: Emoly Liu <emoly.liu@intel.com>
Change-Id: Ie779769f7ee35cd118fb6412fe3352a03254b9d3
Reviewed-on: http://review.whamcloud.com/9580
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Jian Yu <jian.yu@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index a1c5f65..94dd3cd 100644 (file)
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -6944,14 +6944,17 @@ test_116b() { # LU-2093
        [ $PARALLEL == "yes" ] && skip "skip parallel run" && return
 #define OBD_FAIL_MDS_OSC_CREATE_FAIL     0x147
        local old_rr
-       old_rr=$(do_facet $SINGLEMDS lctl get_param -n lov.*mdtlov*.qos_threshold_rr)
-       do_facet $SINGLEMDS lctl set_param lov.*mdtlov*.qos_threshold_rr 0
+       old_rr=$(do_facet $SINGLEMDS lctl get_param -n \
+               lo*.$FSNAME-MDT0000-mdtlov.qos_threshold_rr | head -1)
+       do_facet $SINGLEMDS lctl set_param \
+               lo*.$FSNAME-MDT0000-mdtlov.qos_threshold_rr=0
        mkdir -p $DIR/$tdir
        do_facet $SINGLEMDS lctl set_param fail_loc=0x147
        createmany -o $DIR/$tdir/f- 20 || error "can't create"
        do_facet $SINGLEMDS lctl set_param fail_loc=0
        rm -rf $DIR/$tdir
-       do_facet $SINGLEMDS lctl set_param lov.*mdtlov*.qos_threshold_rr $old_rr
+       do_facet $SINGLEMDS lctl set_param \
+               lo*.$FSNAME-MDT0000-mdtlov.qos_threshold_rr=$old_rr
 }
 run_test 116b "QoS shouldn't LBUG if not enough OSTs found on the 2nd pass"