Bug 440896

Summary:	GFS: gfs_fsck should repair gfs_grow corruption (see bug #436383)
Product:	[Retired] Red Hat Cluster Suite	Reporter:	Robert Peterson <rpeterso>
Component:	gfs	Assignee:	Robert Peterson <rpeterso>
Status:	CLOSED ERRATA	QA Contact:	GFS Bugs <gfs-bugs>
Severity:	high	Docs Contact:
Priority:	high
Version:	4	CC:	edamato
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	RHBA-2008-0804	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2008-07-25 19:28:30 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	440897

Description Robert Peterson 2008-04-04 16:50:09 UTC

Description of problem:
The problem described in bug #436383 (RHEL4) and bug #434962 (RHEL5)
introduces corruption into a gfs file system.  Today's gfs_fsck is
unable to repair that damage, and I think it needs to.

Version-Release number of selected component (if applicable):
RHEL4

How reproducible:
Easily (now that I know the trick).

Steps to Reproduce:
1. Follow the steps listed in bug #436383 to corrupt a file system
2. Run gfs_fsck on the corrupt file system
  
Actual results:
gfs_fsck's resource group analysis says "(passed)" and no corruption
is detected.

[root@exxon-01 /home/bob]# gfs_fsck /dev/exxon_vg/exxon_lv 
Initializing fsck
Can't seek to last block in file system: 4309132281
Unable to determine the boundaries of the file system.

Expected results:
gfs_fsck should detect and repair the damage gracefully.

Additional info:
I've got a prototype patch that does this.  The RHEL4 version is
attached to bug #436383.  It still needs some testing.

Comment 1 Robert Peterson 2008-04-13 16:05:58 UTC

Requesting flags for inclusion into 4.8.

Comment 2 Kiersten (Kerri) Anderson 2008-04-14 00:17:46 UTC

Still time to get this into cluster 4.7 so devel acking and switching the flag.

Comment 3 RHEL Program Management 2008-04-14 00:18:07 UTC

This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update
release.

Comment 4 Robert Peterson 2008-04-14 15:45:20 UTC

I tested this on the exxon-0{2,3} cluster and pushed the patch to git
at the RHEL4 branch for inclusion into 4.7.  Changing status to modified.

Comment 7 errata-xmlrpc 2008-07-25 19:28:30 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2008-0804.html