[LU-16056] rarely directories got created with the wrong permission

• Type: Bug
• Resolution: Fixed
• Priority: Critical
• Fix Version/s: Lustre 2.16.0, Lustre 2.15.2
• Severity: 3
• Assignee: Lai Siyao
• Reporter: Lai Siyao

Description

we've had two instances of this, with the latest being:

[root@ec01 ~]# ls -ld /exafs/home/sihara/mdtest.out/test-dir.0-0/mdtest_tree.488.0/file.mdtest.488.30670
---------- 1 sihara users 0 Jul 16 10:10 /exafs/home/sihara/mdtest.out/test-dir.0-0/mdtest_tree.488.0/file.mdtest.488.30670

[root@ec01 ~]# lfs getdirstripe /exafs/home/sihara/mdtest.out/test-dir.0-0/mdtest_tree.488.0
lmv_stripe_count: 0 lmv_stripe_offset: 1 lmv_hash_type: none
[root@ec01 ~]# lfs getdirstripe -D /exafs/home/sihara/mdtest.out/test-dir.0-0/mdtest_tree.488.0
lmv_stripe_count: 1 lmv_stripe_offset: -1 lmv_hash_type: none lmv_max_inherit: -1 lmv_max_inherit_rr: 5
[root@ec01 ~]# lfs getstripe -m /exafs/home/sihara/mdtest.out/test-dir.0-0/mdtest_tree.488.0/file.mdtest.488.30670 
1 

The username/group ownership is fine, the permissions are supposed to be 755.