linux-ext4 - Re: fsck.ext4: Group descriptors look bad... trying backup blocks...

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Date:	Fri, 24 Apr 2009 09:27:39 +0100
From:	Jeremy Sanders <jss@....cam.ac.uk>
To:	linux-ext4@...r.kernel.org
Subject:  Re: fsck.ext4: Group descriptors look bad... trying backup blocks...

Theodore Tso wrote:

> Do you have to reboot to see this, or is it enough to unmount the
> filesystem?  How big is the ext4 filesystem, and how big was the
> amount of data that you rsync'ed?  One thing that would be worth
> trying if you can easily reproduce is whether it happens on a single
> device disk, or whether it only shows up when you use a /dev/mdX
> device.

I've been able to reproduce it on a single device disk (It was partitioned 
to have the same number of blocks as the md device).

Jeremy

-- 
Jeremy Sanders <jss@....cam.ac.uk>   http://www-xray.ast.cam.ac.uk/~jss/
X-Ray Group, Institute of Astronomy, University of Cambridge, UK.
Public Key Server PGP Key ID: E1AAE053

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