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Bug 821650

Summary:	Quota says "Disk quota exceeded" even before actually quota exceeds
Product:	[Community] GlusterFS	Reporter:	shylesh <shmohan>
Component:	quota	Assignee:	Nagaprasad Sathyanarayana <nsathyan>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	pre-release	CC:	bugs, gluster-bugs, rwheeler, saujain, smohan, vbellur, vmallika
Target Milestone:	---	Keywords:	Triaged
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:
Clones:	848252 (view as bug list)		Environment:
Last Closed:	2015-03-03 09:25:39 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	DP	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	848252

Description shylesh 2012-05-15 08:36:33 UTC

Description of problem:

Quota exceeds even with the data less than the quota limit.

Version-Release number of selected component (if applicable):
3.3.0qa41

How reproducible:


Steps to Reproduce:
1. created a distribute volume with 2 bricks
2. set quota of 900MB
3. created a file of size 500MB 
4. Create another file of size 400MB but when the second file size if still 270MB, "Disk quota exceeded " message was thrown and dd fails.
5. Further creation of files on the mountpoint is possible.
  
Actual results:

[root@gqac022 mnt]# dd if=/dev/urandom of=400MB bs=1MB count=400
dd: writing `400MB': Disk quota exceeded
271+0 records in
270+0 records out
270520320 bytes (271 MB) copied, 31.941 s, 8.5 MB/s
[root@gqac022 mnt]# echo "akdsjfkasjfkasjdfksajfkasjf" >> 400MB 

Expected results:


Additional info:

Comment 1 shylesh 2012-05-15 08:37:04 UTC

Backend FS XFS with 512 block size.

Comment 2 Vijay Bellur 2012-05-16 18:24:53 UTC

Do we need a documentation update for this?

Comment 3 Saurabh 2012-05-31 08:29:43 UTC

the workaround in the bug https://bugzilla.redhat.com/show_bug.cgi?id=765478, needs to be documented

Comment 4 Amar Tumballi 2012-07-11 11:15:28 UTC

XFS pre-alloc issue. Doc needed.

Comment 5 Federico Leva 2012-11-10 14:50:29 UTC

To be marked as duplicate of bug 765478?

Comment 7 Vijaikumar Mallikarjuna 2015-03-03 09:25:39 UTC


*** This bug has been marked as a duplicate of bug 765478 ***