+ local e2fsck_pid
+ local saved_interval
+ local new_interval
+
+ # After writing a new sequence number into the MMP block, e2fsck will
+ # sleep at least (2 * new_interval + 1) seconds before it goes into
+ # e2fsck passes.
+ new_interval=30
+
+ # MDT
+ saved_interval=$(get_mmp_update_interval $MMP_MDS $MMP_MDSDEV)
+ set_mmp_update_interval $MMP_MDS $MMP_MDSDEV $new_interval
+
+ run_e2fsck $MMP_MDS $MMP_MDSDEV "-fy" &
+ e2fsck_pid=$!
+ sleep 5
+
+ if start $MMP_MDS_FAILOVER $MMP_MDSDEV $MDS_MOUNT_OPTS; then
+ error_noexit \
+ "mount $MMP_MDSDEV on $MMP_MDS_FAILOVER should fail"
+ stop $MMP_MDS_FAILOVER || return ${PIPESTATUS[0]}
+ set_mmp_update_interval $MMP_MDS $MMP_MDSDEV $saved_interval
+ return 1
+ fi