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Recover a XFS on raid -1 (linear) when one disk is broken

To: linux-xfs@xxxxxxxxxxx
Subject: Recover a XFS on raid -1 (linear) when one disk is broken
From: Jan Banan <b@xxxxxxxxxxxx>
Date: Thu, 15 Jul 2004 21:32:17 +0200
Sender: linux-xfs-bounce@xxxxxxxxxxx
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040116
Hi,

I have a raid -1 (linear) on my RedHat Linux 9 system with XFS 1.2.0. The raid consists of 4 disks where the last disk now seem to be broken. When I try to mount my XFS I get in /var/log/messages :

---------------------------------------------------------------------------
Jul 15 21:18:51 d kernel: XFS mounting filesystem loop(7,0)
Jul 15 21:18:51 d kernel: Starting XFS recovery on filesystem: loop(7,0) (dev: 7/0) Jul 15 21:18:58 d kernel: hdh: dma_intr: status=0x51 { DriveReady SeekComplete Error } Jul 15 21:18:58 d kernel: hdh: dma_intr: error=0x40 { UncorrectableError }, LBAsect=243818407, high=14, low=8937383, sector=243818336 Jul 15 21:18:58 d kernel: end_request: I/O error, dev 22:41 (hdh), sector 243818336 Jul 15 21:19:00 d kernel: hdh: dma_intr: status=0x51 { DriveReady SeekComplete Error } Jul 15 21:19:00 d kernel: hdh: dma_intr: error=0x40 { UncorrectableError }, LBAsect=243818407, high=14, low=8937383, sector=243818344 Jul 15 21:19:00 d kernel: end_request: I/O error, dev 22:41 (hdh), sector 243818344 Jul 15 21:19:00 d kernel: I/O error in filesystem ("loop(7,0)") meta-data dev 0x700 block 0x2f5d2060^I ("xlog_recover_do..(read#2)") error 5 buf count 8192
Jul 15 21:19:00 d kernel: XFS: log mount/recovery failed
Jul 15 21:19:00 d kernel: XFS: log mount failed
---------------------------------------------------------------------------

Is it possible to in some way mount this raid system so that I can recover the files stored on the first 3 disks of this raid -1 (linear)?

Best regards,
Jan


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