From owner-freebsd-hackers  Thu Sep 21 17: 6:48 2000
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Date: Thu, 21 Sep 2000 20:09:07 -0400
From: Sergey Babkin <babkin@bellatlantic.net>
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To: Mike <mike@mikesweb.com>
Cc: "Aleksandr A.Babaylov" <babolo@links.ru>,
	David Scheidt <dscheidt@enteract.com>, ee@uncanny.net,
	freebsd-hackers@FreeBSD.ORG, freebsd-isp@FreeBSD.ORG
Subject: Re: Frustration with SCSI system
References: <200009202250.CAA01922@aaz.links.ru> <4.3.2.7.2.20000920210124.0f722908@mail.mikesweb.com>
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Mike wrote:
> 
> I've used various Seagate SCSI drives exclusively in all of my boxes and
> only had one failure, which I was still able to recover all the data from
> before replacing it. The first box I built back in '97 had an UW Seagate in
> it that I bought used, and it was very heavily used for 2 years, and I
> still have that original configuration for various small projects. Right
> now I have 4 boxes with Barracuda drives (7200RPM) almost to the ceiling in
> a closet at one site that temps can get up to 80 degrees F, with a constant
> fan on them, all doing fine.. I build a couple boxes with Seagate Cheetah's

I had quite bad experience with Seagate disks of series Medalist (IDE),
Hawk and Barracuda. Any failures for any taste: bed blocks developed
over time, disks just dying, disks occasionally self-erasing the
boot sector, disks agreeing to start only after 15 minutes in front
of air conditioning cold air duct. The worst case was when both
disks in a mirror developed bad blocks with half an hour interval.
Luckily the bad block on the second disk happened within the Oracle's
TEMP tablespace, so the actual data were not lost.
Of 40 IDE medalist disks 1/3 developed various kinds of problems
within a year.

-SB


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