[LU-11332] Lustre quota issue

• Status: Resolved
• Project: Lustre
• Affects Version/s: Lustre 2.6.0
• Type: Question/Request
• Priority: Major
• Reporter: Valerio
• Assignee: WC Triage
• Resolution: Won't Fix

Description

Hi all,
i have a little problem with quota of Lustre fileystem and samba.
Sometimes, when users delete files from windows client using samba, the files are deleted but quota remain exactly the same without decreses.
The solution to correct this problem seems to be only a reboot of Lustre hosts.
Do you have any idea to resolve this problem or correct quota without restart Lustre?

Lustre Version:

• lustre: 2.6.0

• kernel: patchless_client

• build: 2.6.0-RC2--PRISTINE-2.6.32-431.20.3.el6_lustre.x86_64

Samba is provided from a cluster of two server with CTDB cluter:

• SMBD Version: 3.6.23-36.el6_8

• CTDB Version: 2.5.6

Comments

[Andreas Dilger]

This problem sounds like the Samba server is keeping the file open after it is unlinked, so that means the file data will not be released until the file is closed. You could use "lsof" on the Lustre client where Samba is running to see if these files are being kept open.

Note also that Lustre 2.6.0 is quite old and there have been problems with open file references, so you might also try with a 2.7.x or 2.10 client for the SMB server.

[Peter Jones]

Will reopen if seen on a more current release