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Date:      Sun, 24 Sep 2000 12:39:47 -0400 (EDT)
From:      Jim Weeks <jim@siteplus.net>
To:        Noor Dawod <noor@comrax.com>
Cc:        Roman Shterenzon <roman@harmonic.co.il>, FreeBSD-STABLE Mailing List <freebsd-stable@FreeBSD.ORG>
Subject:   RE: Profiling timer expired on 4.1-R
Message-ID:  <Pine.BSF.4.21.0009241230420.374-100000@veager.siteplus.net>
In-Reply-To: <PHEBIOJOBJJLIIJCOINKIEOBCJAA.noor@comrax.com>

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On Sun, 24 Sep 2000, Noor Dawod wrote:

> Hello Roman and all.
> 
> I have not filled a PR yet.
> 
> Our server doesn't have a Qlogic. The machine is a P-II 350Mhz equ. with 256MB RAM. Machine has an AHA-2940 SCSI card, and a SCSI
> Seagate Baracuda disk.
> 
> The problem again is: mysqldump dies with 'Profiling timer expired' while dumping large databases.
> 
> How can we fix this problem?

Roman,

I have just gone through MEGA headaches with this same thing on these same
drives.  I tried everything that anyone suggested to solve the problem.  I
had always discounted the suggestion that they were running too hot
because I thought I had sufficient ventilation.  NOT SO!!

When I moved the drives to the upper 5.25 bays and put a Zerus twin turbo
exhaust fan, which happens to fit in a 5.25 bay, and positioned another
fan in the rear of the case blowing directly at the drives.  Problem
solved ;-)

I can not stress enough that Seagate drives need adequate cooling.

Hope this helps,

Jim




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