Bug 78127 - It looks like mkfs.ext3 does not clean properly the superblock.
It looks like mkfs.ext3 does not clean properly the superblock.
Product: Red Hat Linux
Classification: Retired
Component: e2fsprogs (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Thomas Woerner
Jay Turner
Depends On:
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Reported: 2002-11-19 05:02 EST by jfm2
Modified: 2015-01-07 19:01 EST (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2004-10-07 09:47:14 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description jfm2 2002-11-19 05:02:50 EST
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:

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 08:47:24 EST
What app still recognized it as xfs? AFAIK e2fsprogs tries to keep
boot loaders unchanged and working.


Florian La Roche

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