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Re: Broken Log Help Needed

To: Glen Overby <overby@xxxxxxx>
Subject: Re: Broken Log Help Needed
From: Austin Gonyou <austin@xxxxxxxxxxxxxxx>
Date: Tue, 28 Oct 2003 15:33:54 -0600
Cc: XFS List <linux-xfs@xxxxxxxxxxx>
In-reply-to: <200310280038.h9S0c4MF188327@zhadum.americas.sgi.com>
Organization: Coremetrics, Inc.
References: <200310280038.h9S0c4MF188327@zhadum.americas.sgi.com>
Sender: linux-xfs-bounce@xxxxxxxxxxx
They are on this list somewhere. I've sent several over time. This has
been going on for a long while, and is very reproduceable. I'd love for
someone work with me on this to get this fixed, I'm sure I could aid
since I have a setup which does it consistently, no matter the XFS
version, but the log-replay is always affected.

On Mon, 2003-10-27 at 18:38, Glen Overby wrote:
> On October 27, Austin Gonyou wrote:
> > The issue is that I don't see any "ERROR" statements in this output,
> but
> > trying to replay the log or mounting -oro will oops the kernel and
> that
> > one device is then unavailable and the system must be rebooted. 
> 
> Can you send the exact oops message.. where it occured, etc?
> 
> > I would like to extract the log so I can put this server back into our
> > beta environment. If someone could aid me in this I'd much appreciate
> > it.
> 
> Here's an example:
> 
> [root@HOSTNAME root]# /a23/overby/bin.l/mkfs.xfs -f -b size=4096 -l
> size=8192b /dev/hda6
> 
> meta-data=/dev/hda6              isize=256    agcount=8, agsize=140317
> blks
>          =                       sectsz=512
> data     =                       bsize=4096   blocks=1122534, imaxpct=25
>          =                       sunit=0      swidth=0 blks, unwritten=1
> naming   =version 2              bsize=4096
> log      =internal log           bsize=4096   blocks=8192, version=1
>          =                       sectsz=512   sunit=0 blks
> realtime =none                   extsz=65536  blocks=0, rtextents=0
> 
> [root@HOSTNAME root]# /a23/overby/bin.l/xfs_db /dev/hda6
> xfs_db> sb 0
> xfs_db> print logstart
> logstart = 1048580
> xfs_db> print logblocks
> logblocks = 8192
> xfs_db> convert fsb 1048580 daddr
> 0x4483c0 (4490176)
> xfs_db> convert fsb 8192 daddr
> 0x10000 (65536)
> 
> [root@HOSTNAME root]# dd if=/dev/hda6 of=/tmp/hda6log bs=512
>  skip=4490176 count=65536
> 65536+0 records in
> 65536+0 records out
> 
> Glen Overby
-- 
Austin Gonyou <austin@xxxxxxxxxxxxxxx>
Coremetrics, Inc.


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