From: Emmanuel Noobadmin <centos.admin@gmail.com>
To: "Mathias Burén" <mathias.buren@gmail.com>
Cc: CentOS mailing list <centos@centos.org>,
linux-raid <linux-raid@vger.kernel.org>
Subject: Re: Possible to use multiple disk to bypass I/O wait?
Date: Fri, 10 Jun 2011 00:15:25 +0800 [thread overview]
Message-ID: <BANLkTint7-6ZHkOwhtM9C9gJaqootQ=hfA@mail.gmail.com> (raw)
In-Reply-To: <BANLkTikd-LEtAt_3n6bC7nTd2BZqZfNQLA@mail.gmail.com>
On 6/9/11, Mathias Burén <mathias.buren@gmail.com> wrote:
> The first thing that comes to my mind: Have you tried another IO scheduler?
and the first thing that came to this noob's mind was: Wait, you mean
there's actually more than one? AND I get to choose?
I'll probably be experimenting with deadline and anticipatory since
the i/o wait seems to be due to the disk running back and fro trying
to serve the file scan as well as legit read request so having that
small wait for reads in the same area sounds like it would help.
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next prev parent reply other threads:[~2011-06-09 16:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-09 9:24 Possible to use multiple disk to bypass I/O wait? Emmanuel Noobadmin
2011-06-09 10:19 ` Mathias Burén
2011-06-09 16:15 ` Emmanuel Noobadmin [this message]
2011-06-09 12:06 ` Nagilum
[not found] ` <BANLkTimFOaJoMnwid1F+ghVwkBgJi2FymQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-09 19:06 ` Steve Thompson
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