linux-kernel - Identifying a specific affected file on Ext3 on a top of raid0 of raid1s

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Message-ID: <20071121205753.GA26864@s1.yuriev.com>
Date:	Wed, 21 Nov 2007 15:57:53 -0500
From:	alex-lists-linux-kernel@...iev.com
To:	linux-kernel@...r.kernel.org
Subject: Identifying a specific affected file on Ext3 on a top of raid0 of raid1s

Hi,

I have a rather nasty situation developing on one of the big 24x7 
production database servers. It seems that a batch of drives in one of the
servers started to fail. 

The file servers are ext3fs on a top of raid-0 over a pair of raid-1 mirrors, 
with each of raid-1 mirrors having two drives. The issue is that all four 
drives are developing errors. 

Is there a way to determine what files are affected if I know the LBA# of the
errors on individual drives?

It is running under 2.6.20.x series of kernels.

Alex

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