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Depending on the actions your program is set to perform you could check for
the cable functionality by unplugging it or cutting utility power to your
UPS and see if the system senses the change in state. Our programs are set
to just notify us when utility power is lost/restored, not to begin any
shutdown on their own.
I ran into the situation you described when initially setting up the cable
on one of our 520s, (we installed the original PTFs to enable the support
for the UPS cable, but it wouldn't work until the cold start was done) but
didn't know it was an ongoing potential problem. Good to know...
"Jeff Crosby"
<jlcrosby@dilgard
foods.com> To
Sent by: "'Midrange Systems Technical
midrange-l-bounce Discussion'"
s@xxxxxxxxxxxx <midrange-l@xxxxxxxxxxxx>
cc
11/17/2005 10:25 Subject
AM UPS attachment problem on i5 520
Please respond to
Midrange Systems
Technical
Discussion
<midrange-l@midra
nge.com>
As a heads up-
If you:
1) have an i5 520 with UPS cable attached
2) apply an FSP PTF (these are the 5722-999 ones that start with "MH")
3) Do a PWRDWNSYS RESTART(*YES)
Then your UPS cable is no longer recognized by the i5 and you are _not_
protected by any user written program that monitors the UPS. You have to
do
a cold start to get it rerecognized.
And there is no way, per IBM, for we the end users to check for that
problem
via the ASM, SST, or user program. It requires a CE. (Although I don't
know if those of you with HMCs have a way to check it.)
IBM is working on 1) a PTF to fix the problem, and 2) a way for the end
user
to check for proper UPS attachment.
I do not know whether this affects any systems other than the 520.
--
Jeff Crosby
Dilgard Frozen Foods, Inc.
P.O. Box 13369
Ft. Wayne, IN 46868-3369
260-422-7531
The opinions expressed are my own and not necessarily the opinion of my
company. Unless I say so.
--
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