LU-15593 mdt: Add option to disable use of SOM

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

diff --git a/lustre/tests/sanity-flr.sh b/lustre/tests/sanity-flr.sh
index e50979d..781f807 100644 (file)
--- a/lustre/tests/sanity-flr.sh
+++ b/lustre/tests/sanity-flr.sh
@@ -2212,6 +2212,54 @@ test_44d() {
 }
 run_test 44d "lfs mirror split does not break size"
 
+test_44e() {
+       local tf=$DIR/$tdir/$tfile
+       local p="$TMP/$TESTSUITE-$TESTNAME.parameters"
+       local size1
+       local size2
+
+       test_mkdir $DIR/$tdir
+       [ $MDS1_VERSION -ge $(version_code 2.14.52) ] ||
+               skip "Need MDS version at least 2.14.52"
+
+       $LFS mirror create -N2 $tf || error "create mirrored file $tf failed"
+
+       # Disable xattr caching so we can repeatedly check SOM with lfs getsom
+       $LCTL set_param llite.*.xattr_cache=0
+       stack_trap "$LCTL set_param llite.*.xattr_cache=1"
+
+       dd if=/dev/zero of=$tf bs=1M count=10 || error "dd write $tfile failed"
+       sync
+       size1=$(stat -c "%s" $tf)
+       echo " ** before mirror resync, file size=$size1"
+
+       $LFS mirror resync $tf || error "mirror resync file $tf failed"
+       size1=$(stat -c "%s" $tf)
+       size2=$($LFS getsom -s $tf)
+
+       $LFS getsom $tf
+
+       ((size1 == size2)) ||
+               error "mirrored file with strict SOM $size1 != disabled SOM $size2"
+
+       # Remount client to clear cached size information
+       remount_client $MOUNT
+
+       save_lustre_params $(get_facets MDS) mdt.*MDT*.enable_strict_som > $p
+       stack_trap "restore_lustre_params < $p; rm -f $p"
+       local mds_facet=mds$(($($LFS getstripe -m $tf) + 1))
+
+       do_facet $mds_facet $LCTL set_param mdt.*MDT*.enable_strict_som=0
+
+       size2=$(stat -c "%s" $tf)
+       # 'getsom' here is just for debugging
+       $LFS getsom $tf
+
+       ((size2 == size1)) ||
+               error "mirrored file in sync with som disabled, size with som disabled ($size2) and without som disabled ($size1) should agree"
+}
+run_test 44e "basic FLR SOM tests + disable SOM"
+
 test_45() {
        [ $OSTCOUNT -lt 2 ] && skip "needs >= 2 OSTs"