From: Bill Davidsen <davidsen@tmr.com>
To: David Greaves <david@dgreaves.com>
Cc: Jon Nelson <jnelson-linux-raid@jamponi.net>,
Justin Piszcz <jpiszcz@lucidpixels.com>,
LinuxRaid <linux-raid@vger.kernel.org>
Subject: Re: AWFUL reshape speed with raid5.
Date: Wed, 30 Jul 2008 13:24:25 -0400 [thread overview]
Message-ID: <4890A3C9.9070409@tmr.com> (raw)
In-Reply-To: <48909BBD.4030605@dgreaves.com>
David Greaves wrote:
> Bill Davidsen wrote:
>
>> vmstat doesn't tell you enough, you need a tool to show per-device and
>> per-partition io, which will give you what you need. I can't put a
>> finger on the one I wrote, but there are others.
>>
>
> iostat?
>
dstat seems to do what he wants, the one I wrote produced a file which
could be used by gnuplot to generate neat graphical output to make
problems glaringly obvious.
--
Bill Davidsen <davidsen@tmr.com>
"Woe unto the statesman who makes war without a reason that will still
be valid when the war is over..." Otto von Bismark
next prev parent reply other threads:[~2008-07-30 17:24 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-28 17:39 AWFUL reshape speed with raid5 Jon Nelson
2008-07-28 18:14 ` Justin Piszcz
2008-07-28 18:24 ` Jon Nelson
2008-07-28 18:55 ` Jon Nelson
2008-07-28 19:17 ` Roger Heflin
2008-07-28 19:43 ` Justin Piszcz
2008-07-28 19:59 ` David Lethe
2008-07-28 20:56 ` Jon Nelson
2008-07-30 16:23 ` Bill Davidsen
2008-07-30 16:31 ` Jon Nelson
2008-07-30 17:08 ` Justin Piszcz
2008-07-30 17:48 ` Jon Nelson
2008-08-01 1:43 ` Neil Brown
2008-08-01 13:23 ` Jon Nelson
2008-08-01 15:57 ` Jon Nelson
2008-07-30 16:50 ` David Greaves
2008-07-30 17:24 ` Bill Davidsen [this message]
2008-08-01 1:26 ` Neil Brown
2008-08-01 13:14 ` Jon Nelson
2008-08-21 2:58 ` Jon Nelson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4890A3C9.9070409@tmr.com \
--to=davidsen@tmr.com \
--cc=david@dgreaves.com \
--cc=jnelson-linux-raid@jamponi.net \
--cc=jpiszcz@lucidpixels.com \
--cc=linux-raid@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.