ca.portal.admin

HPSPO

Discussion created by ca.portal.admin on Jul 29, 2009
Latest reply on Jul 29, 2009 by ca.portal.admin
I know this subject has been discussed to death, but I am still
confused. If you have storage protect turned on at the system level,
and off at the program level, would enabling the high performance
storage protect option (with no other changes) gain you anything at all?

A different way to phrase this question: If the high performance
storage protect option is enabled, will all user storage be switched to
key 9 regardless of whether or not the individual programs are defined
with storage protect on?

(When I speak of HPSPO being enabled, I mean correctly enabled, with
user storage in separate program pools.)

Kay Rozeboom
State of Iowa
Information Technology Enterprise
Department of Administrative Services
Telephone: 515.281.6139 Fax: 515.281.6137
Email: Kay.Rozeboom@Iowa.Gov
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Re: HPSPO
"At the risk of being idiotic -- I have had a day full of mis-steps and
mis-statements . . .

Yes, sys=on, and prog=off is what you want . . . minimal CPU overhead,
and as complete protection as you can get . . .

You will also get a higher fragmentation and a higher apparent
utilization% of the storage pools for lack of a better word as part of
the trade off.

dem

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