[LU-17710] Invalid jobid with "%H" (short hostname)

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0, Lustre 2.15.5
• Affects Version/s: Lustre 2.12.9
• Severity: 3
• Assignee: Etienne Aujames
• Reporter: Etienne Aujames

Description

jobid_name="%H" seems to be racy.
We observed malformed jobid on OST side:

jobid_name="%H.%u.%g"

On OST jobstats:
login13.0.st.fr

We also see some errors:

kernel: LustreError: 8537:0:(lprocfs_jobstats.c:283:lprocfs_job_stats_log()) Invalid jobid size (37), expect(32)