I have the following in two wooden racks in the garage.
DEC VAXstation 4000/60 w/BA350 and 1 RZ28 (VAX/VMS 5.5-2)
Compaq XP1000/667 w/2 JBOD boxes of 3 drives each (mixture of 3.5x1" and
3.5x1.6" drives) (OpenVMS 8.3)
HP Pentium III tower
The system console for the three is a VT420 in the "Computer Lab" part of
the garage that is turned off. Air coming out of the back of the XP1000
last night was cool, air coming out of the 3 Drive JBOD box I checked was
cold.
Last night I ran with a small electric heater that got the temp in front of
the one rack up to ~45F. I'd be tempted to shut the VAX down and move it to
the top of the rack the other two are in.
With temps like these, I pray we don't loose power, as that's when this
could get very ugly, and I'd definitely have to be careful about warming
things up. At that point I might haul everything into my office, except I
don't think I have enough power in there (and I don't want the noise).
The P3 and the Alpha both serve data on the Internet, and the Alpha and VAX
are on HECnet as well (International DECnet), so I'd prefer to keep them
online.
Zane
On Wed, 9 Dec 2009, Fred Cisin wrote:
Don't REAL computers generate their own heat?
(and too much of it)
Even a small lab packed with 5150s has enough heat.
Course, if you use new-fangled machines with LCD monitors,
and those half-height or smaller hard drives,
you might need to supplement.