From: "Keld Jørn Simonsen" <keld@keldix.com>
To: Roman Mamedov <rm@romanrm.ru>
Cc: "Keld Jørn Simonsen" <keld@keldix.com>, linux-raid@vger.kernel.org
Subject: Re: wish for Linux MD mirrored raid types
Date: Fri, 6 May 2011 11:03:45 +0200 [thread overview]
Message-ID: <20110506090345.GA22245@www2.open-std.org> (raw)
In-Reply-To: <20110506133159.30c66519@natsu>
On Fri, May 06, 2011 at 01:31:59PM +0600, Roman Mamedov wrote:
> On Fri, 6 May 2011 09:17:52 +0200
> Keld Jørn Simonsen <keld@keldix.com> wrote:
>
> > I would like linux MD raid10 functionality to be part of the Linux MD
> > RAID1 module, and be called raid1. This is in accordance with the
> > use of the RAID1 term as standadized by SNIA. In fact the RAID10-offset
> > layout is an implementation of a SNIA RAID specification. The RAID10-near
> > layout is an implementation of a simple RAID layout. And the RAID10-far
> > layout is just another layout far a mirrored RAID. So all these types
> > could just be defined as different RAID1 layouts.
>
> RAID1 is RAID1, RAID10 is RAID10.
> RAID1 on 4 drives is very different from RAID10 on 4 drives.
> Don't add confusion by trying to rename RAID10 to RAID1.
How are they different?
Say what is the difference between a Linux MD RAID1 with 4 disks, and
the default Linux MD RAID10 with 4 disks? (in the near layout)?
Best regards
keld
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next prev parent reply other threads:[~2011-05-06 9:03 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-06 7:17 wish for Linux MD mirrored raid types Keld Jørn Simonsen
2011-05-06 7:31 ` Roman Mamedov
2011-05-06 9:03 ` Keld Jørn Simonsen [this message]
2011-05-06 9:22 ` Jonathan Tripathy
2011-05-06 9:41 ` Keld Jørn Simonsen
2011-05-06 9:50 ` Roman Mamedov
2011-05-06 10:05 ` Jonathan Tripathy
2011-05-06 10:54 ` David Brown
2011-05-06 13:27 ` Keld Jørn Simonsen
2011-05-06 14:01 ` Miles Fidelman
2011-05-06 15:24 ` Keld Jørn Simonsen
2011-05-06 15:34 ` Roberto Spadim
2011-05-06 16:23 ` Miles Fidelman
2011-05-06 18:29 ` Keld Jørn Simonsen
2011-05-06 20:30 ` Leslie Rhorer
2011-05-06 20:43 ` Miles Fidelman
2011-05-06 12:33 ` Keld Jørn Simonsen
2011-05-06 13:26 ` Mikael Abrahamsson
2011-05-06 13:40 ` Keld Jørn Simonsen
2011-05-06 7:51 ` David Brown
2011-05-06 9:27 ` Keld Jørn Simonsen
2011-05-08 18:14 ` Luca Berra
2011-05-08 21:25 ` Miles Fidelman
2011-05-09 3:40 ` Keld Jørn Simonsen
2011-05-09 4:24 ` NeilBrown
2011-05-09 19:57 ` Keld Jørn Simonsen
2011-05-09 5:22 ` Emmanuel Noobadmin
2011-05-09 14:48 ` Roberto Spadim
2011-05-09 19:59 ` Keld Jørn Simonsen
2011-05-09 20:12 ` Roberto Spadim
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