Date: Wed, 28 May 2003 19:35:30 -0600
From: Michael Loftis <mloftis@wgops.com>
To: Pietro Abate <Pietro.Abate@anu.edu.au>, linux-xfs@oss.sgi.com
Subject: Re: xfs fails to recover a raid0 root filesystem
Message-ID: <163200389.1054150530@jobe>
In-Reply-To: <20030529002010.GC1275@anu.edu.au>
References: <20030529002010.GC1275@anu.edu.au>
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I just had this happen on a large-ish (150+Gb) array.  Had nothing to do 
with RAID.  You have to boot rescue disk and use xfs_repair.  You may have 
to zero the logfile.  Also note that if oyu're using quotas it might go off 
and re-figure everyones quota's at mount time which takes a long time.

--On Thursday, May 29, 2003 10:20 AM +1000 Pietro Abate 
<Pietro.Abate@anu.edu.au> wrote:

> Hi all,
> I've installed xfs on a netra (sparc) workstation. After a power
> failoure xfs just hangs trying to recover the root fs. The fs is
> actually sitting on the top of a raid0 configuration. I don't really
> understand if the problem is related with xfs or with raid (but I think
> it's xfs ...).
>
> I tried to run the raid in degradeted mode passing raid=noautodetect
> md=0,/dev/sda4 ... to silo, to try to isolate the problem, but it didn't
> solve the problem.
>
> my questions now:
> - is there a way of forcing xfs to ignore the recovery stage and give me a
>   shell that I can use to run xfs_repair ? (any silo parameter ?)
>
> - is there any rescue system (cdrom) for sparc with raid and xfs support
>   that I can use to recover the fs ?
>
> - if I manage to boot it from the net, is there any rescue system I
>   can use ?  (if not, my plan is to install a small system on the swap
>   partition, build a kernel with xfs and raid, boot it, recover the fs,
>   and boot back to the old installation: is it a good plan ?)
>
> - is xfs supposed to work properly (I'm using 2.4.19 + xfs snapshot)
>   with raid0 ? is it a problem having the root fs unsing xfs with a such
>   configuration ?
>
> please help... :-)
>
> p
>
>
> --
> Civilization advances by extending the number
> of important operations which we can perform
> without thinking. (Alfred North Whitehead)
>
>