RE: when a ups doesn't help

In my experience, bigger shops = bigger UPSes.  Economies of scale.

Keep your System i5 on separate circuits from things being switched on
and off and you won't have the problem which occurred today.  (Monitors,
laser printers, etc...)


--
Justin C. Haase - iSeries System Engineer
IBM Certified Systems Expert - eServer i5
Kingland Systems Corporation

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Brian Piotrowski
Sent: Wednesday, February 22, 2006 9:04 AM
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
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