From: Rogier Wolff <R.E.Wolff@BitWizard.nl>
To: David Rees <drees76@gmail.com>
Cc: Rogier Wolff <R.E.Wolff@BitWizard.nl>, linux-kernel@vger.kernel.org
Subject: Re: Slow disks.
Date: Wed, 22 Dec 2010 23:46:01 +0100 [thread overview]
Message-ID: <20101222224601.GF30941@bitwizard.nl> (raw)
In-Reply-To: <AANLkTikC0gDixPMaj3zZJ9ew7wYx81Ern60omnig-S7c@mail.gmail.com>
On Wed, Dec 22, 2010 at 12:52:08PM -0800, David Rees wrote:
> On Mon, Dec 20, 2010 at 6:15 AM, Rogier Wolff <R.E.Wolff@bitwizard.nl> wrote:
> > A friend of mine has a server in a datacenter somewhere. His machine
> > is not working properly: most of his disks take 10-100 times longer
> > to process each IO request than normal.
>
> I've seen noticeable slowdowns before when the disks were running long
> SMART tests. It doesn't seem to affect all drives the same. The
> smartctl data you posted didn't say whether or not the disks were
> currently running a SMART test, but it's worth double checking.
No, the machine has trouble 24/7, I seriously doubt that it would be
running smart tests 24/7.
Roger.
--
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next prev parent reply other threads:[~2010-12-22 22:46 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-20 14:15 Slow disks Rogier Wolff
2010-12-20 18:06 ` Bruno Prémont
2010-12-20 18:32 ` Greg Freemyer
2010-12-22 10:43 ` Rogier Wolff
2010-12-22 15:59 ` Greg Freemyer
2010-12-22 16:27 ` Jeff Moyer
2010-12-22 22:44 ` Rogier Wolff
2010-12-23 14:40 ` Jeff Moyer
2010-12-23 17:01 ` Rogier Wolff
2010-12-23 17:47 ` Jeff Moyer
2010-12-23 18:51 ` Greg Freemyer
2010-12-23 19:10 ` Jaap Crezee
2010-12-23 22:09 ` Greg Freemyer
2010-12-24 11:40 ` Rogier Wolff
2010-12-24 11:40 ` Rogier Wolff
2010-12-26 23:05 ` Greg Freemyer
2010-12-27 0:27 ` Rogier Wolff
2010-12-27 7:21 ` Stan Hoeppner
2010-12-24 10:45 ` Rogier Wolff
2010-12-23 17:05 ` Jaap Crezee
2010-12-26 23:38 ` Mark Knecht
2010-12-27 0:34 ` Rogier Wolff
2010-12-27 3:12 ` Mark Knecht
2010-12-27 18:20 ` Krzysztof Halasa
2010-12-24 13:01 ` Krzysztof Halasa
2010-12-24 15:24 ` Michael Tokarev
2010-12-24 20:58 ` Krzysztof Halasa
2010-12-25 12:14 ` Rogier Wolff
2010-12-25 12:19 ` Mikael Abrahamsson
2010-12-25 18:12 ` Jaap Crezee
2010-12-25 21:28 ` Michael Tokarev
2010-12-26 21:40 ` Rogier Wolff
2010-12-26 23:17 ` Greg Freemyer
2010-12-26 23:49 ` Rogier Wolff
2010-12-26 22:07 ` Niels
2010-12-27 10:56 ` Tejun Heo
2010-12-20 19:09 ` Jeff Moyer
2010-12-22 20:52 ` David Rees
2010-12-22 22:46 ` Rogier Wolff [this message]
2010-12-22 23:13 ` David Rees
[not found] <fa.C+PyZdFdHUxRFDJDF3KlrfaJASk@ifi.uio.no>
2010-12-21 12:29 ` Arto Jantunen
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