RE: when a ups doesn't help

We have a raised-floor environment. One UPS with generator backup powers the
whole room, and all racks and the iSeries have their own power feeds from
the UPS. We also have all flat panel monitors in the racks (Dell LCD+KVM).
Twinax consoles on different power feed from iSeries.

Loyd Goodbar
Senior programmer/analyst
BorgWarner
E/TS Water Valley
662-473-5713
-----Original Message-----
From: Brian Piotrowski [mailto:bpiotrowski@xxxxxxxxxxxxxxx] 
Sent: Wednesday, February 22, 2006 09:04
To: Midrange Systems Technical Discussion
Subject: RE: when a ups doesn't help

Hi Jim,

That has always been common practice around our shops.  The AS/400 has
it's own UPS and the remaining Wintel servers all operate under their
own UPS grid.

We're by no means a big shop (2 AS/400s, 8 Wintel servers), but I would
have to guess the bigger shops might operate in the same fashion.

Brian.

-----Original Message-----
From: Jim Franz [mailto:franz400@xxxxxxxxxxxx] 
Sent: Wednesday, February 22, 2006 9:50 AM
To: MIDRANGE-L@xxxxxxxxxxxx
Subject: when a ups doesn't help

Had a customer plug a monitor power cord into same rack power strip
that i5 was plugged into. This is a regular professional rack with built
in power
strips. The whole rack, with i5, is covered by a large ups. Power strip
"blinked" (some 
kind of electrical short) and next thing we know, i5 is IPLing. The
system value
is set to re-ipl when power restored, so it did. Came up fine, but
management 
asking how to avoid this. 
Is it common to use a large ups for multiple equipment,
or do most shops with comm, wintel servers, and i5 isolate the i5 on a
separate ups? 
(and that ups would have to be within power cord distance from server)
jim franz