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From: "H. Peter Anvin" <hpa@zytor.com>
To: Terje Kvernes <terjekv@math.uio.no>
Cc: Jim Paris <jim@jtan.com>, linux-raid@vger.kernel.org
Subject: Re: filesystem corruption with RAID6.
Date: Fri, 03 Sep 2004 14:16:29 -0700	[thread overview]
Message-ID: <4138DF2D.5040505@zytor.com> (raw)
In-Reply-To: <wxxr7pjumhh.fsf@nommo.uio.no>

Terje Kvernes wrote:
> "H. Peter Anvin" <hpa@zytor.com> writes:
> 
>   [ ... ]
> 
> 
>>Note: the corruption Jim found and which I have confirmed are only
>>when doing large number of writes to a filesystem in degraded mode.
>>If you see something different, please let me know.  It would
>>definitely help tracking this down.
> 
> 
>   ah!  that explains it then.  I was indeed copying over data in
>   degraded mode.
>    
> 
>>The bug is elusive enough that it's difficult :-/
> 
>   ouch.  and RAID that can't be written to in degraded mode is
>   somewhat impractical for production use.  ;-)
>  
>   is there anything I can do to help?  otherwise, I'll fall back to
>   RAID5 and prepare the box for production.
> 

Unless you want to try to help hunt down the bug, not much.

	-hpa


  reply	other threads:[~2004-09-03 21:16 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-03 12:20 filesystem corruption with RAID6 Terje Kvernes
2004-09-03 17:06 ` Jim Paris
2004-09-03 18:19   ` H. Peter Anvin
2004-09-03 20:27     ` Terje Kvernes
2004-09-03 21:16       ` H. Peter Anvin [this message]
2004-09-04 22:43         ` Terje Kvernes
2004-09-05  3:01           ` H. Peter Anvin
2004-09-05 12:32             ` Terje Kvernes
2004-09-03 17:15 ` Guy

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