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Re: XFS mount failuer on RAID5

To: Eric Sandeen <sandeen@xxxxxxxxxxx>
Subject: Re: XFS mount failuer on RAID5
From: hank peng <pengxihan@xxxxxxxxx>
Date: Mon, 19 Oct 2009 08:54:35 +0800
Cc: xfs@xxxxxxxxxxx, linux-raid <linux-raid@xxxxxxxxxxxxxxx>
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2009/10/16 Eric Sandeen <sandeen@xxxxxxxxxxx>:
> hank peng wrote:
>> Hi, all:
>> I have a self-built board, cpu is MPC8548(PPC arch), kernel is based
>> on MPC8548CDS demo board, version is 2.6.23.
>> A SATA controller is conected to CPU via PCIX, and I have 3 disks
>> attached to it.
> ...
>> root@Storage:~# mkfs.xfs -f -ssize=4k /dev/vg/lvtest
>> Warning - device mapper device, but no dmsetup(8) found
>> Warning - device mapper device, but no dmsetup(8) found
>> meta-data=/dev/vg/lvtest         isize=256    agcount=4, agsize=6553600
>> blks
>>         =                       sectsz=4096  attr=2
>> data     =                       bsize=4096   blocks=26214400, imaxpct=25
>>         =                       sunit=0      swidth=0 blks
>> naming   =version 2              bsize=4096
>> log      =internal log           bsize=4096   blocks=12800, version=2
>>         =                       sectsz=4096  sunit=1 blks, lazy-count=0
>> realtime =none                   extsz=4096   blocks=0, rtextents=0
>> root@Storage:~# mkdir tmp
>> root@Storage:~# mount -t xfs /dev/vg/lvtest ./tmp/
>> Filesystem "dm-0": Disabling barriers, not supported by the underlying
>> device
>> XFS mounting filesystem dm-0
>> XFS: totally zeroed log
>> Filesystem "dm-0": XFS internal error xlog_clear_stale_blocks(2) at
>> line 1252 of file fs/xfs/xfs_log_recover.c.  Caller 0xc018ec88
> Can you try the patch that Andy Poling posted to the list just yesterday?
>  Slight longshot but it may be it.
> Otherwise I will look at this in a bit; on the road today though.
Reason is found, it is because there are some problem in our hardware
XOR driver firmware. I am sure now it is not related with XFS.
Thx to all you guys, we will try to fix it.

> -Eric

The simplest is not all best but the best is surely the simplest!

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