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Date: Wed, 13 Feb 2002 10:24:16 +0100
From: Francois Romieu <romieu@cogenit.fr>
To: Bill Davidsen <davidsen@tmr.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Quick question on Software RAID support.
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In-Reply-To: <Pine.LNX.3.96.1020212230521.8017E-100000@gatekeeper.tmr.com>; from davidsen@tmr.com on Tue, Feb 12, 2002 at 11:10:55PM -0500
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Greetings,

Bill Davidsen <davidsen@tmr.com> :
[...]
> >From personal experience software RAID is quite fast, and very reliable
> regarding failures while running. If a disk fails the system drops back to
> recovery, and after a new drive is added and `raidhotadd' is run it is
> rebuilt.
> 
> The dark side of the force is that is a drive fails on boot, I have had

(raid1)
- planned reboot;
- spontaneous fsck;
- rarely accessed part of a disk isn't happy
- is it normal for an scsi error to take more than 10 minutes ?
- LRB
- removal of faulty drive;
- reboot;
- spontaneous fsck;
-> now there's a nice fs with a 3 months old content.

Interesting experience for an otherwise usual sunday.

Btw, this log entry is a bit terse:

http://www.kernel.org/pub/linux/kernel/v2.4/testing/patch-2.4.18.log
[...]
- Fix rare data loss case with RAID-1

-- 
Ueimor
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