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Date:      Wed, 22 Jul 1998 22:55:33 -0700
From:      Mike Smith <mike@smith.net.au>
To:        asami@FreeBSD.ORG (Satoshi Asami)
Cc:        jkh@time.cdrom.com, wjw@IAEhv.nl, stable@FreeBSD.ORG
Subject:   Re: Tree tagging put off by ~12 hours. 
Message-ID:  <199807230555.WAA00396@antipodes.cdrom.com>
In-Reply-To: Your message of "Wed, 22 Jul 1998 17:44:33 PDT." <199807230044.RAA10288@silvia.HIP.Berkeley.EDU> 

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>  * Probably yes.  Freefall has been more disk I/O bound, especially on
>  * the drive containing the CVS repository, and has 4 drives which also
>  * generate way too much heat for the kind of case it currently has.
> 
> Do you have them in a separate enclosure?  A good disk enclosure with
> powerful fans (ours have three) really works wonders for heat
> problems.

I added six more fans to freefall earlier this year, and moved a lot of 
stuff around to deal with heat problems.  It's just in a conventional 
tower case though.

Just before hub died, I installed some serious cooling in both it (now 
lost with the new system) and bento.  The latter is now producing a 
breeze that is reminiscent of a hairdryer on 'low'.

We're looking at moving (as funding permits) to using the Siliconrax 
SR-489-ATX cases, which will give us greatly improved airflow both over 
the drives and also the motherboard (which is what appears to have 
failed in hub last time).

-- 
\\  Sometimes you're ahead,       \\  Mike Smith
\\  sometimes you're behind.      \\  mike@smith.net.au
\\  The race is long, and in the  \\  msmith@freebsd.org
\\  end it's only with yourself.  \\  msmith@cdrom.com



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