[CentOS] RAID 6 - opinions
Joseph Spenner
joseph85750 at yahoo.com
Thu Apr 11 20:36:29 UTC 2013
________________________________
From: John R Pierce <pierce at hogranch.com>
To: centos at centos.org
Sent: Thursday, April 11, 2013 1:24 PM
Subject: Re: [CentOS] RAID 6 - opinions
On 4/11/2013 12:30 PM, m.roth at 5-cent.us wrote:
>> Ok, listening to all of this, I've also been in touch with a tech from the
>> vendor*, who had a couple of suggestions: first, two RAID sets with two
>> global hot spares.
I would test how long a drive rebuild takes on a 20 disk RAID6. I
suspect, very long, like over 24 hours, assuming a fast controller and
sufficient channel bandwidth.
----
But isn't that one of the benefits of RAID6? (not much degraded/latency effect during a rebuild, less impact on performance during rebuild, so longer times are acceptable?)
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