[LU-6722] sanity-lfsck test_1a: FAIL: (3) Fail to start LFSCK for namespace!

• Type: Bug
• Resolution: Fixed
• Priority: Critical
• Fix Version/s: Lustre 2.8.0, Lustre 2.9.0
• Affects Version/s: Lustre 2.8.0
• Environment: Lustre Build: https://build.hpdd.intel.com/job/lustre-master/3059; Distro/Arch: RHEL7.1/x86_64
• Severity: 3
• Assignee: nasf (Inactive)
• Reporter: Jian Yu

Description

sanity-lfsck test 1a failed as follows:

CMD: shadow-5vm12 /usr/sbin/lctl set_param fail_loc=0x1501
CMD: shadow-5vm12 /usr/sbin/lctl set_param fail_loc=0
10.1.4.53@tcp:/lustre /mnt/lustre lustre rw,flock,user_xattr 0 0
CMD: shadow-5vm1.shadow.whamcloud.com grep -c /mnt/lustre' ' /proc/mounts
Stopping client shadow-5vm1.shadow.whamcloud.com /mnt/lustre (opts:)
CMD: shadow-5vm1.shadow.whamcloud.com lsof -t /mnt/lustre
CMD: shadow-5vm1.shadow.whamcloud.com umount  /mnt/lustre 2>&1
CMD: shadow-5vm12 /usr/sbin/lctl lfsck_start -M lustre-MDT0000 -t namespace -r
shadow-5vm12: Fail to start LFSCK: Read-only file system
 sanity-lfsck test_1a: @@@@@@ FAIL: (3) Fail to start LFSCK for namespace! 

Maloo report: https://testing.hpdd.intel.com/test_sets/8520310e-108d-11e5-a2d3-5254006e85c2

Issue Links

• is duplicated by: LU-6726 ost-pools test 18 hung
• is duplicated by: LU-6435 ldiskfs bug in __ldiskfs_handle_dirty_metadata
• is duplicated by: LU-6739 EL7 mds-survey test_1: mds-survey failed
• is duplicated by: LU-6740 racer test_1: test failed to respond and timed out
• is duplicated by: LU-6752 sanity-lfsck test_15c: fail to repair the unmatched pair: 0
• is related to: LU-8983 kernel BUG at fs/jbd2/transaction.c:1028!