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From: Bill Davidsen <davidsen@tmr.com>
To: Roman Mamedov <rm@romanrm.ru>, Linux RAID <linux-raid@vger.kernel.org>
Subject: Re: Need to remove failed disk from RAID5 array
Date: Thu, 19 Jul 2012 10:51:01 -0400	[thread overview]
Message-ID: <50081ED5.8090908@tmr.com> (raw)
In-Reply-To: <20120719203557.62a12bcd@natsu>

Roman Mamedov wrote:
> On Thu, 19 Jul 2012 10:25:25 -0400
> Bill Davidsen <davidsen@tmr.com> wrote:
>
>> That's a good argument for not using "whole disk" array members, a partition can
>> be started at a good offset and may perform better.
>
> Not really, at least with the modern metadata versions this is not a problem,
> as the whole-disk array members will start the actual data at an offset that is
> suitably aligned for the AF drives.
>
When did that start? And how does it handle adding a new drive to an array 
created back under 2.6 which didn't do that? Good to be aware of, though.

-- 
Bill Davidsen <davidsen@tmr.com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot



  reply	other threads:[~2012-07-19 14:51 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-16 23:17 Need to remove failed disk from RAID5 array Alex
2012-07-18 20:26 ` Bill Davidsen
2012-07-19  2:44   ` Alex
2012-07-19  3:16     ` Roman Mamedov
2012-07-19 14:25       ` Bill Davidsen
2012-07-19 14:35         ` Roman Mamedov
2012-07-19 14:51           ` Bill Davidsen [this message]
2012-07-19 21:08         ` NeilBrown
2012-07-20  1:04           ` Alex
2012-07-20  1:22             ` Bill Davidsen
2012-07-20  1:37             ` NeilBrown
2012-07-23  4:14             ` Bill Davidsen
2012-07-24 14:02               ` Alex
2012-07-19 15:37       ` Alex

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