Date: Sun, 5 Apr 1998 21:35:02 -0500 (CDT) From: Mike Isely <isely@nathan.enteract.com> To: wsldanke@cs.ruu.nl Cc: Mike Isely <isely@pobox.com>, aic7xxx@FreeBSD.ORG Subject: Re: Quantum drives bad? Message-ID: <Pine.BSI.3.95.980405211801.3805A-100000@nathan.enteract.com> In-Reply-To: <Pine.LNX.3.96.980406035826.10778A-100000@fruit.ml.org>
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On Mon, 6 Apr 1998, Wessel Dankers wrote:
> Hi all!
>
> I've been investigating a bit in hard drives, and I've heard from a few
> people that they don't like Quantum drives. Does anyone on this list have
> good or bad experiences with these? I was about to order a 6.4G Fireball
> SE in addition to the 2.1G Fireball I have already. I only use Linux.
I have 3 such drives in use under Linux, operation has been utterly
perfect.
I'm running two of the 6.4G drives now. One, SE 6.4GB, is in a machine at
work, hooked up to an aic7860 (Adaptec 2940U, ugh) using the stock driver
in linux-2.0.33 and it is working great (20MHz). That box is on 24 hours
a day and has up-times defined in terms of months. The other (I think an
older ST "Stratus" model) is in a machine at home, again with the stock
driver in linux-2.0.33, hooked up to an aic7870 (Adaptec 3940), and it has
been flawless (10MHz, non-Ultra controller). I have tagged queuing on for
both, and SCB paging on for the one at work. I also have a 4.3G Fireball
ST running in another machine at home, hung off an aic7880 (Adaptec
2940UW), same stock driver, w/ tagged queuing on. It has updated
firmware, and also runs perfectly at 20MHz - and also stays up
continuously. I personally have never experienced even the slightest hint
of trouble.
The only problem I have read about is that older firmware on the ST model
drives can have trouble if the queue depth is too great. Other than that,
no complaints. The really old TM "Tempest" series is a dog and has really
lousy SCSI performance. I know you're not asking about those, but
sometimes I hear the entire Fireball lines of drives being painted with
the bad rep from the TM drives.
All of those drives run at 5400 RPM, and stay very cool, even in a crappy
PC enclosure. That's the feature that sold me. They are in a 3.5" form
factor, 1" thick, and they're cheap too. All that, and they even still
have decent I/O bandwidth...
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