Hi Radoslaw,
I agree. We recycle many test/development regions daily both to pickup
changes and because they do tend to become less stable over time with
active development and testing. Production regions only come down for
releases or IPLs and may be up for months at a time. I just peeked and
on the production LPARs in our Virginia data center all the CICS MRO's
have been up at least 25 days. We normally don't see any performance or
stability problems because of the longer uptime in production regions.
CICS runs as started tasks and stays up for the same time that DB2 and
IMS DB/DC and MQ all do. If any one of those is down many of our
applications are down. The customer service folks work 24 hours so we
close files or take down individual data bases for some process but the
whole is going to stay up except for documented windows planned well in
advance. CICS Storage Protection is not free but it's close and really
does help to stabilize CICS AORs.
Best Regards,
Sam Knutson, GEICO
Performance and Availability Management
mailto:[EMAIL PROTECTED]
(office) 301.986.3574
Printed on 100% recyclable phosphor.
-----Original Message-----
Well, I don't know the stats, but I first hear about recycling CICS
everyday (or night) as a rule.
We restart our regions every ...CPC replacement <g> but seriously: our
regions are running for months.
I'm not CICS specialist, but I have never heard about performance
changes after CICS restart.
--
Radoslaw Skorupka
Lodz, Poland
--
BRE Bank SA
ul. Senatorska 18
00-950 Warszawa
www.brebank.pl
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