From: Michael Clark <michael@metaparadigm.com>
To: Emmanuel Michon <emmanuel_michon@realmagic.fr>
Cc: linux-kernel@vger.kernel.org
Subject: Re: periodic scsi hard disk noise due to regular flushes?
Date: Wed, 17 Apr 2002 07:29:48 +0800 [thread overview]
Message-ID: <3CBCB3EC.2030803@metaparadigm.com> (raw)
In-Reply-To: <7wbscjvdke.fsf@avalon.france.sdesigns.com>
Sounds like TCAL (Thermal Recalibration) - some drives are quite noisy
when doing this. I had an Hitachi drive that would do this every 30
seconds once it warmed up. Could be a faulty thermo sensor on the drive.
~mc
Emmanuel Michon wrote:
>Hi,
>
>my recent IBM SCSI drive (18GB IC35L018UWD210-0) connected
>to an old Adaptec AHA-2940 UW adapter make as very
>irritating high pitched noise (as if it were parking/unparking
>his heads?) periodically with the following intervals:
>
>1min35
>2min12
>5min03
>2min14
>1min02
>4min09
>4min14
>3min18
>1min06
>1min04
>
>It runs in ext3, journalling has commit interval set to 5sec.
>
>Does something happen in the kernel with a about 1min05 interval?
>
>Is there some way to keep it busy?
>
>My kernel is 2.4.7-10
>
>Thanks for any reply to this strange request ;-)
>
prev parent reply other threads:[~2002-04-16 23:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-16 16:00 periodic scsi hard disk noise due to regular flushes? Emmanuel Michon
2002-04-16 23:29 ` Michael Clark [this message]
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