From: John Robinson <john.robinson@anonymous.org.uk>
To: Goswin von Brederlow <goswin-v-b@web.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: Requesting replace mode for changing a disk
Date: Sat, 09 May 2009 12:41:11 +0100 [thread overview]
Message-ID: <4A056BD7.8090506@anonymous.org.uk> (raw)
In-Reply-To: <8763gb44xk.fsf@frosties.localdomain>
On 08/05/2009 23:15, Goswin von Brederlow wrote:
> Hi,
>
> consider the following situation: You have a software raid that runs
> fine but one disk is suspect (e.g. SMART says failure imminent or
> something). How do you replace that disk?
>
> Currently you have do fail/remove the disk from the raid, add a
> fresh disk and resync. That leaves a large window in which redundancy
> is compromised. With current disk sizes that can be days.
>
> It would be nice if one could tell the kernel to replace a disk in a
> raid set with a spare without the need to degrade the raid.
>
> Thoughts?
I remember this being discussed a few months ago, and I think it's
fairly high up Neil Brown's to do/roadmap for the future.
Cheers,
John.
next prev parent reply other threads:[~2009-05-09 11:41 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-08 22:15 Requesting replace mode for changing a disk Goswin von Brederlow
2009-05-09 11:41 ` John Robinson [this message]
2009-05-09 23:07 ` Bill Davidsen
2009-05-10 1:22 ` Goswin von Brederlow
2009-05-10 2:20 ` Guy Watkins
2009-05-10 7:02 ` Goswin von Brederlow
2009-05-10 14:33 ` Bill Davidsen
2009-05-10 15:55 ` Guy Watkins
2009-05-13 1:21 ` Leslie Rhorer
2009-05-13 3:27 ` Goswin von Brederlow
2009-05-13 4:36 ` Neil Brown
2009-05-13 7:37 ` Goswin von Brederlow
2009-05-13 11:02 ` Neil Brown
2009-05-14 10:44 ` David Greaves
2009-05-14 12:00 ` Neil Brown
2009-05-13 4:31 ` Neil Brown
2009-05-13 4:37 ` SandeepKsinha
2009-05-13 4:54 ` Neil Brown
2009-05-13 5:07 ` SandeepKsinha
2009-05-13 5:21 ` NeilBrown
2009-05-13 5:31 ` SandeepKsinha
2009-05-13 10:51 ` Neil Brown
2009-05-13 7:28 ` Goswin von Brederlow
-- strict thread matches above, loose matches on Subject: below --
2009-05-13 4:08 Sandeep K Sinha
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