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From: Richard Scobie <r.scobie@clear.net.nz>
To: Linux RAID Mailing List <linux-raid@vger.kernel.org>
Subject: Re: md RAID with enterprise-class SATA or SAS drives
Date: Thu, 10 May 2012 13:29:42 +1200	[thread overview]
Message-ID: <4FAB1A06.10502@clear.net.nz> (raw)

Daniel Pocock <daniel@pocock.com.au> wrote:

 > ignoring the better MTBF and seek times of these drives, do any of the
 > other features passively contribute to a better RAID experience when
 > using md?

An important one for large arrays is the ability to handle the level of 
chassis vibration/resonance from adjacent drives, which has a marked 
effect on seek times (this feature is called RAFF in Western Digital 
RAID Edition drives), and is not available in desktop drives.

Regards,

Richard

             reply	other threads:[~2012-05-10  1:29 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-10  1:29 Richard Scobie [this message]
  -- strict thread matches above, loose matches on Subject: below --
2012-05-09 22:00 md RAID with enterprise-class SATA or SAS drives Daniel Pocock
2012-05-09 22:33 ` Marcus Sorensen
2012-05-10 13:34   ` Daniel Pocock
2012-05-10 13:51   ` Phil Turmel
2012-05-10 14:59     ` Daniel Pocock
2012-05-10 15:15       ` Phil Turmel
2012-05-10 15:26     ` Marcus Sorensen
2012-05-10 16:04       ` Phil Turmel
2012-05-10 17:53         ` Keith Keller
2012-05-10 18:10           ` Mathias Burén
2012-05-10 18:23           ` Phil Turmel
2012-05-10 19:15             ` Keith Keller
2012-05-10 18:42         ` Daniel Pocock
2012-05-10 19:09           ` Phil Turmel
2012-05-10 20:30             ` Daniel Pocock
2012-05-11  6:50             ` Michael Tokarev
2012-05-21 14:19           ` Brian Candler
2012-05-21 14:29             ` Phil Turmel
2012-05-26 21:58               ` Stefan *St0fF* Huebner
2012-05-10 21:43       ` Stan Hoeppner
2012-05-10 23:00         ` Marcus Sorensen
2012-05-10 21:15     ` Stan Hoeppner
2012-05-10 21:31       ` Daniel Pocock
2012-05-11  1:53         ` Stan Hoeppner
2012-05-11  8:31           ` Daniel Pocock
2012-05-11 13:54             ` Pierre Beck
2012-05-10 21:41       ` Phil Turmel
2012-05-10 22:27       ` David Brown
2012-05-10 22:37         ` Daniel Pocock
     [not found]         ` <CABYL=ToORULrdhBVQk0K8zQqFYkOomY-wgG7PpnJnzP9u7iBnA@mail.gmail.com>
2012-05-11  7:10           ` David Brown
2012-05-11  8:16             ` Daniel Pocock
2012-05-11 22:28               ` Stan Hoeppner
2012-05-21 15:20                 ` CoolCold
2012-05-21 18:51                   ` Stan Hoeppner
2012-05-21 18:54                     ` Roberto Spadim
2012-05-21 19:05                       ` Stan Hoeppner
2012-05-21 19:38                         ` Roberto Spadim
2012-05-21 23:34                     ` NeilBrown
2012-05-22  6:36                       ` Stan Hoeppner
2012-05-22  7:29                         ` David Brown
2012-05-23 13:14                           ` Stan Hoeppner
2012-05-23 13:27                             ` Roberto Spadim
2012-05-23 19:49                             ` David Brown
2012-05-23 23:46                               ` Stan Hoeppner
2012-05-24  1:18                                 ` Stan Hoeppner
2012-05-24  2:08                                   ` NeilBrown
2012-05-24  6:16                                     ` Stan Hoeppner
2012-05-24  2:10                         ` NeilBrown
2012-05-24  2:55                           ` Roberto Spadim
2012-05-11 22:17             ` Stan Hoeppner

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