linux-kernel - Re: Scsi errors with Megaraid 300-8x

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Date:	Wed, 23 Aug 2006 11:53:55 -0400 (EDT)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	Johan Groth <johan.groth@...ux-grotto.org.uk>
cc:	Mark Lord <lkml@....ca>, linux-kernel@...r.kernel.org
Subject: Re: Scsi errors with Megaraid 300-8x

On Wed, 23 Aug 2006, Johan Groth wrote:

> Justin Piszcz wrote:
>> Run badblocks in r+w mode on the bad disk and it will force the disk to 
>> re-allocate the bad sector if it can.
>> 
>> Justin.
>
> Is that possible to do in a non-destructive way? I don't want to loose all 
> data and apparently I can't back it up either :(.
>
> Regards,
> Johan
>

Nope, r+w will write over everything on the disk, but I have found -the- 
most effective way to see if a disk is good or not.  I'd rather have the 
disk die to that test rather than using it in production and finding it 
dies with my data on it.

Justin.
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