From: Stan Hoeppner <stan@hardwarefreak.com>
To: David Brown <david.brown@hesbynett.no>
Cc: Flynn <flynn@kodachi.com>, Linux RAID <linux-raid@vger.kernel.org>
Subject: Re: RAID6 Reshape Gone Awry
Date: Fri, 03 Aug 2012 13:25:34 -0500 [thread overview]
Message-ID: <501C179E.7070709@hardwarefreak.com> (raw)
In-Reply-To: <501BD420.10203@hesbynett.no>
On 8/3/2012 8:37 AM, David Brown wrote:
> On 03/08/2012 13:18, Stan Hoeppner wrote:
>> The primary function of RAID is to protect your data in the event of a
>> _disk_ failure. Creating multiple arrays from _partitions_ on the same
>> set of physical disks does nothing to protect one from disk failure.
>>
>
> That's not how I understand the disk layout - if I'm right, it is still
> a monstrosity, but one that will offer protection on disk failure.
I didn't state this setup would not protect data from disk failure. I
stated that a single array would have done that. Making 9 more simply
causes all kinds of problems without any additional benefits.
--
Stan
prev parent reply other threads:[~2012-08-03 18:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-03 5:27 RAID6 Reshape Gone Awry Flynn
2012-08-03 11:18 ` Stan Hoeppner
2012-08-03 13:37 ` David Brown
2012-08-03 14:53 ` Roman Mamedov
2012-08-03 15:44 ` Flynn
2012-08-03 18:25 ` Stan Hoeppner [this message]
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