From: Steven Haigh <netwiz@crc.id.au>
To: David Brown <david@westcontrol.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: looking for advice on raid drives upgrade
Date: Thu, 31 Mar 2011 00:31:57 +1100 [thread overview]
Message-ID: <4D9330CD.7090806@crc.id.au> (raw)
In-Reply-To: <imvadk$q8j$1@dough.gmane.org>
On 31/03/2011 12:14 AM, David Brown wrote:
> If you've got a spare drive slot, and plenty of time, there is another
> option that lets you keep online and redundant during the process.
> Re-shape the array to raid 6, while adding one of the new drives. Then
> you can replace each drive, one at a time, letting the raid recover in
> between. For the last drive, you just have to remove it then reshape
> back to raid 5 (although ideally you could buy an extra drive and keep
> the raid 6 layout - it's worth the cost, assuming you have the drive slot).
>
> Once everything is swapped over, you grow the array to fit the new disks.
This makes me wonder... What is recommended as the best practice... Use
the entire disk or 1 partition per device? Assuming of course that you
won't be booting off the RAID5/6....
--
Steven Haigh
Email: netwiz@crc.id.au
Web: http://www.crc.id.au
Phone: (03) 9001 6090 - 0412 935 897
Fax: (03) 8338 0299
next prev parent reply other threads:[~2011-03-30 13:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-30 9:46 looking for advice on raid drives upgrade Vincent Schut
2011-03-30 11:10 ` Mikael Abrahamsson
2011-03-30 11:22 ` Vincent Schut
2011-03-31 6:54 ` hansbkk
2011-03-30 13:14 ` David Brown
2011-03-30 13:31 ` Steven Haigh [this message]
2011-03-30 14:00 ` David Brown
2011-03-31 8:50 ` Vincent Schut
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