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

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Message-ID: <Pine.LNX.4.64.0608231158210.15031@p34.internal.lan>
Date:	Wed, 23 Aug 2006 11:59:06 -0400 (EDT)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	Johan Groth <johan.groth@...ux-grotto.org.uk>
cc:	linux-kernel@...r.kernel.org
Subject: Re: Scsi errors with Megaraid 300-8x

On Wed, 23 Aug 2006, Johan Groth wrote:

> Justin Piszcz wrote:
>> 
>> 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.
>> 
>
> Hmm, we both should read the man page of badblocks a bit better :).
> I found this:
>
> -n     Use non-destructive read-write mode.  By default only a 
> non-destructive read-only test is done. This option must not be combined with 
> the -w option, as they are mutually exclusive.
>
>
> Cheers,
> Johan
>

I have not tested that option.  I wonder if it is as good as a real R+W 
mode.  What does smartctl -a /dev/sda say on the disk that you are having 
problems with?
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