[LU-12063] mktemp fails with ENOENT and MDS log reports lod_gen_component_ea() Can not locate [0x700000bd9:0x56:0x0]: rc = -2

• Type: Bug
• Resolution: Cannot Reproduce
• Priority: Minor
• Affects Version/s: Lustre 2.12.0
• Labels: llnl
• Environment: Lustre 2.12.0_1.chaos_2_g3ee692e ; kernel 3.10.0-957.5.1.3chaos.ch6.x86_64 ; distro RHEL 7.6 derivative ; backend zfs v0.7.11-5llnl
• Severity: 3
• Assignee: Patrick Farrell (Inactive)
• Reporter: Olaf Faaland

Description

file create fails intermittently, errno is ENOENT.

bash-4.2$ mktemp /p/lquake/faaland1/make-busy/mdt7/mdtest.enoent.XXXX
mktemp: failed to create file via template '/p/lquake/faaland1/make-busy/mdt7/mdtest.enoent.XXXX': No such file or directory
bash-4.2$ ls -l /p/lquake/faaland1/make-busy/mdt7
total 65
drwx------ 3 faaland1 faaland1 33280 Mar 12 12:24 mdtest.6qUohi
drwx------ 3 faaland1 faaland1 33280 Mar 12 12:24 mdtest.ldXmqW

MDS console log reports:

[Tue Mar 12 13:42:47 2019] LustreError: 57771:0:(lod_lov.c:896:lod_gen_component_ea()) lquake-MDT0007-mdtlov: Can not locate [0x700000bd9:0x56:0x0]: rc = -2
[Tue Mar 12 13:42:47 2019] LustreError: 57771:0:(lod_lov.c:896:lod_gen_component_ea()) Skipped 6 previous similar messages