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Bug 78127

Summary: It looks like mkfs.ext3 does not clean properly the superblock.
Product: [Retired] Red Hat Linux Reporter: jfm2
Component: e2fsprogsAssignee: Thomas Woerner <twoerner>
Status: CLOSED NOTABUG QA Contact: Jay Turner <jturner>
Severity: medium Docs Contact:
Priority: medium    
Version: 7.3CC: srevivo
Target Milestone: ---   
Target Release: ---   
Hardware: i386   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2004-10-07 13:47:14 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description jfm2 2002-11-19 10:02:50 UTC
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i586; en-US; rv:1.0.1) Gecko/20020830

Description of problem:
It happenned I wanted to reformat some xfs partitions into ext3 format.  After
running mkfs.ext3 they were still recognized as xfs despite a reboot.  I finally
found the solution: dd= if=/dev/zero of=/dev/mypartition and then run mkfs.ext3.

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


How reproducible:
Always

Steps to Reproduce:
1.run mkfs.xfs on partition
2.run mkfs.ext3 on that same partition
3.Try to mount it as ext3.  Mount fails.
	

Additional info:

Comment 1 Florian La Roche 2002-11-26 13:47:24 UTC
What app still recognized it as xfs? AFAIK e2fsprogs tries to keep
boot loaders unchanged and working.

greetings,

Florian La Roche