From: Stan Hoeppner <stan@hardwarefreak.com>
To: Trevor Cordes <trevor@tecnopolis.ca>
Cc: linux-raid@vger.kernel.org, Seth Jennings <spartacus06@gmail.com>
Subject: Re: Help please: 2-5 tps on write with 98% iowait
Date: Thu, 26 Jan 2012 20:18:16 -0600 [thread overview]
Message-ID: <4F220968.4050902@hardwarefreak.com> (raw)
In-Reply-To: <20120126155742.736c7886@pog.tecnopolis.ca>
On 1/26/2012 3:57 PM, Trevor Cordes wrote:
> On 2012-01-26 Stan Hoeppner wrote:
>> On 1/25/2012 12:15 PM, Seth Jennings wrote:
>>> The write performance on my raid5 took a nose dive yesterday
>>
>> Simply identify what changed between the 24th and 25th, if indeed this
>> problem started on the 25th.
>
> Check my very last email to the mailing list, re: WD Green drives. If
> you have WD Greens, esp EADS ones, that's your problem probably.
On 1/25/2012 12:15 PM, Seth Jennings wrote:
> /dev/sda: 250GB single part
> /dev/sdb: 250GB single part
> /dev/sdc: 500GB, 2x250GB parts
> /dev/sdd: 320GB, 250GB and 70GB parts
Trevor, which of the OP's 4 drives mentioned in his initial post do you
believe to be a WD Green?
--
Stan
next prev parent reply other threads:[~2012-01-27 2:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-25 18:15 Help please: 2-5 tps on write with 98% iowait Seth Jennings
2012-01-25 19:03 ` John Robinson
2012-01-25 19:04 ` Doug Dumitru
2012-01-26 20:21 ` Stan Hoeppner
2012-01-26 21:57 ` Trevor Cordes
2012-01-27 2:18 ` Stan Hoeppner [this message]
2012-01-27 2:38 ` Roger Heflin
2012-01-27 2:42 ` Seth Jennings
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=4F220968.4050902@hardwarefreak.com \
--to=stan@hardwarefreak.com \
--cc=linux-raid@vger.kernel.org \
--cc=spartacus06@gmail.com \
--cc=trevor@tecnopolis.ca \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox