From: Andre Noll <maan@systemlinux.org>
To: Rudy Zijlstra <rudy@grumpydevil.homelinux.org>
Cc: linux-raid mailing list <linux-raid@vger.kernel.org>
Subject: Re: Safely swapping a disk in a RAID456
Date: Fri, 30 Sep 2011 19:07:10 +0200 [thread overview]
Message-ID: <20110930170710.GF30935@systemlinux.org> (raw)
In-Reply-To: <4E85E921.1020808@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 immediately
after the raid1 has been started, no need to wait for the initialization to
complete.
Andre
--
The only person who always got his work done by Friday was Robinson Crusoe
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next prev parent reply other threads:[~2011-09-30 17:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-30 15:42 Safely swapping a disk in a RAID456 martin f krafft
2011-09-30 16:06 ` Rudy Zijlstra
2011-09-30 17:07 ` Andre Noll [this message]
2011-09-30 16:28 ` Andre Noll
2011-10-01 14:53 ` David Brown
2011-10-01 15:51 ` Andre Noll
2011-09-30 18:02 ` John Robinson
2011-10-01 3:38 ` Danny Rawlins
2011-10-01 10:32 ` Asdo
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