From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andre Noll <maan@systemlinux.org>
Subject: Re: Safely swapping a disk in a RAID456
Date: Fri, 30 Sep 2011 19:07:10 +0200
Message-ID: <20110930170710.GF30935@systemlinux.org>
References: <20110930154217.GA11732@albatross.gern.madduck.net>
 <4E85E921.1020808@grumpydevil.homelinux.org>
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To: Rudy Zijlstra <rudy@grumpydevil.homelinux.org>
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On Fri, Sep 30, 18:06, Rudy Zijlstra wrote:
> Replacing without degrade:
> - stop the raid
> - do a dd from old disk to new disk
> - replace the disk
> - re-start the raid

This works but the array needs to be stopped during the dd, which may take a
long time. Creating a raid1 first allows you to restart the raid456 immedia=
tely
after the raid1 has been started, no need to wait for the initialization to
complete.

Andre
--=20
The only person who always got his work done by Friday was Robinson Crusoe

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