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filesystem corruption

To: linux-xfs@xxxxxxxxxxx
Subject: filesystem corruption
From: Christian Guggenberger <christian.guggenberger@xxxxxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 6 Aug 2002 11:32:03 +0200
Sender: owner-linux-xfs@xxxxxxxxxxx
Hi there!

we recently replaced all 6 HDs (80GB) of our ide-scsi hardware raid5(ift-6200) by 160Gb ones.
This Raid contained 2 Partitions (each ~200GB). I backed up those partions using tar to another ide-sci hw raid5(ift-6300, 1.7TB,12x160GB) without errors.

Now, while migrating the data back, I get file-system corruptions on the newly created xfs-filesystems.

tar xvfp scratch.tar stops with input/output errors.

I'm using cvs-kernel checked out on August, 4th, ca. 18:00 EST, compiled with gcc-2.95.4(DebianPrerelease).
xfsprogs are the latest, too.

According to the manufactor of the ift-6200, I should use 32k stripe unit for random-access optimization. So here's what I used to create the two filesystems on the ift-6200:

mkfs.xfs  -f -d sunit=64,swidth=320 -l size=32768b /dev/sdb1
mkfs.xfs  -f -d sunit=64,swidth=320 -l size=32768b /dev/sdb2

Should I try other options? e.g no sunit and swidth??

The attachment contains the whole dmesg output.

thanks in advance

Christian Guggenberger

Attachment: dmesg.out
Description: Binary data

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