[LU-7188] flock: Function not implemented

• Type: Bug
• Resolution: Not a Bug
• Priority: Major
• Affects Version/s: Lustre 2.8.0
• Labels: llnl
• Environment: lustre-2.7.59-2.6.32_504.16.2.1chaos.ch5.3.x86_64_g01ca899.x86_64
• Severity: 3
• Assignee: WC Triage
• Reporter: Giuseppe Di Natale (Inactive)

Description

flock call fails on 2.7.59

open("test_file", O_WRONLY|O_CREAT, 0700) = 3
flock(3, LOCK_UN)                       = -1 ENOSYS (Function not implemented)

We have have 4 MDSs, but this error occurs whether or not the directory is striped. No error messages or failures appear in our console, dmesg, or lctl (default masks) logs.