[LU-7013] replay-single test_110c: FAIL: create striped dir failed

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Affects Version/s: Lustre 2.8.0
• Environment: Lustre Branch: master; MDSCOUNT=4
• Severity: 3
• Assignee: Lai Siyao
• Reporter: Jian Yu

Description

While verifying patch http://review.whamcloud.com/14912 for LU-6556 on master branch with DNE configuration, replay-single test_110c failed as follows:

shadow-16vm9: CMD: shadow-16vm9.shadow.whamcloud.com lctl get_param -n at_max
shadow-16vm10: CMD: shadow-16vm10.shadow.whamcloud.com lctl get_param -n at_max
shadow-16vm9: mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 4 sec
shadow-16vm10: mdc.lustre-MDT0001-mdc-*.mds_server_uuid in FULL state after 4 sec
Can't lstat /mnt/lustre/d110c.replay-single/striped_dir: No such file or directory
 replay-single test_110c: @@@@@@ FAIL: create striped dir failed 

replay-single test 110{d,e,g} also failed with the same failure.

Maloo report: https://testing.hpdd.intel.com/test_sets/1a8282a6-43d8-11e5-a4bc-5254006e85c2

By searching on Maloo, I found the failure was introduced by http://review.whamcloud.com/13786 for LU-3534:
https://testing.hpdd.intel.com/test_sets/ee143472-ee18-11e4-848f-5254006e85c2

Issue Links

• is related to: LU-7093 mkdir: cannot create directory: Operation not permitted
• is related to: LU-6831 The ticket for tracking all DNE2 bugs

Comments

[Jian Yu]

The issue was fixed in LU-7093. Let's close this ticket.

[James A Simmons]

Is this a problem still?

[Jian Yu]

More failure instances on master branch:
https://testing.hpdd.intel.com/test_sets/63f64aaa-4f02-11e5-bc53-5254006e85c2
https://testing.hpdd.intel.com/test_sets/7fe3c4a0-47d6-11e5-813b-5254006e85c2
https://testing.hpdd.intel.com/test_sets/4dd0e8ae-1792-11e5-97f7-5254006e85c2

[Jian Yu]

By searching on Maloo, I found the latest two failure instances were both in http://review.whamcloud.com/14912 for LU-6556. So, maybe this is a regression failure caused by the patch itself.
https://testing.hpdd.intel.com/test_sets/5ce65e04-4565-11e5-9d0e-5254006e85c2
https://testing.hpdd.intel.com/test_sets/1a8282a6-43d8-11e5-a4bc-5254006e85c2