From: Roman Mamedov <roman@rm.pp.ru>
To: Roy Keene <rkeene@rkeene.org>
Cc: linux-raid@vger.kernel.org
Subject: Re: [PATCH] Add optional round-robbin read balancing to RAID1
Date: Tue, 7 Sep 2010 08:43:47 +0600 [thread overview]
Message-ID: <20100907084347.50e705df@natsu> (raw)
In-Reply-To: <Pine.LNX.4.64.1009061609170.11139@claw.oc9.org>
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On Mon, 6 Sep 2010 16:14:17 -0500 (CDT)
Roy Keene <rkeene@rkeene.org> wrote:
> Below is a patch that adds support for an alternate read balancing
> strategy that blindly performs read round-robbin to the MD RAID1 driver.
> This can be configure per array via sysfs. The default behaviour is to
> preserve existing behaviour (biased read balancing)
>
> I am looking for comments and possible inclusion upstream.
>
> The motivation behind this is that during a sequential read, under some
> circumstances balancing the I/O through the paths produces better
> throughput than reading sequentially from one device.
The term is "round-robin", not "robbin", you may want to correct the word
everywhere, most importantly in the actual patch.
http://en.wikipedia.org/wiki/Round-robin
--
With respect,
Roman
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next prev parent reply other threads:[~2010-09-07 2:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-06 21:14 [PATCH] Add optional round-robbin read balancing to RAID1 Roy Keene
2010-09-06 22:18 ` Neil Brown
2010-09-07 2:43 ` Roman Mamedov [this message]
2010-09-07 3:03 ` Roy Keene
2010-09-07 9:31 ` Jan Ceuleers
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