ca.portal.admin

15.0 Support

Discussion created by ca.portal.admin on Feb 17, 2006
Hi all, Does anyone know when support will be dropped for 15.0? We
are about to declare IDMS ""functional stable"" meaning we will only apply
hypers and go to a new release only when support for the current release
is dropped. I'm trying to figure out if we will have to go to 16.0
before I retire in 14 months.

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HPSPO query
" Back in the olden days there was two storage protection options; on or off. Storage protection set to on was costly from a storage management CPU consumption standpoint. Then it was determined that running with storage protection set to on at the system level and off at the program level was around 30% more CPU effective than running with storage protection off at the system level.

We have been running this way a long time (mid-eighties???).

I am preparing to upgrade all my production regions from release 14.1 to 16.0 SP2 and I very confused as to where the new High Performance Storage Protection Option fits into the storage management CPU efficiency list:

Standard storage protection High CPU overhead
Storage protection off Moderate CPU consumption
system on/program off Low CPU overhead

In perusing through what documentation I can find, plus prior post to this list group, I can find no definitive answer. I only find conflicting statements:

The new option is the same as the 'system on/program off' method.
A special form of storage protect is available for the production system which provides negligible processing overhead....
Performance testing has revealed that using this option is virtually indistinguishable from running without storage protect in terms of CPU cost.

Setting up benchmarks and testing out the options in my current environment will be difficult, but I will do what I can to get the answers I need. But before jumping into such a project I thought it would be a good idea to query the experiences of this IDMS list group.

Does HPSPO use more, less, or about the same as storage protection off? Would the 'system on/program off' method use less CPU than HPSPO? Does 'system on/program off' still work as it did before HPSPO?

OPSYS Z/OS 1.4

TIA,
Bill Boyce

William M. Boyce
GE Consumer Finance - Americas
Sr. Systems Engineer
IDMS, Mainframe, and AS400 Technologies

T 203 944 6183
F 203 944 3509
C 203 650 7755
D *370-6183
E bill.boyce@ge.com
www.ge.com

6 Corporate Drive
7th Fl - 7101
Shelton, CT 06484-6206






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Re: [IDMSVENDOR-L] 15.0 Support
"some interesting statistics can be gleamed from that table:

1) 12.0 / 12.01 was supported for over 10 years <wow>
2) for an 8 month period, CA was supporting 4 releases of IDMS (12, 14,
14.1, 15)
3) the recent track record indicates that version will be supported 6+
years - this would take 15.0 though late 2007 and 16.0 through early 2010?
(JUST A GUESS)
4) there was only a 10 month gap between the end of 10.2 and the beginning
of 14.0 <!>

Chris Hoelscher
IDMS & DB2 Database Administrator
Humana Inc
502-580-2538
choelscher@humana.com




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Re: 15.0 Support
"Steve,

There is a newer version of GI93034 updated earlier this week.

15.0 | SP7 | 0506 | 08/17/2005| none announced
15.0 | SP6 | 0405 | 07/28/2004| ""
15.0 | SP5 | 0309 | 12/15/2003| ""
15.0 | SP4 | 0303 | 05/19/2003| ""
15.0 | SP3 | 0208 | 10/10/2002| ""
15.0 | SP2 | 0203 | 06/10/2002| ""
15.0 | SP1 | 0109 | 01/02/2002| ""
15.0 | SP0 | 0103 | 03/31/2001| ""

It doesn't seem like 16.2/3/4 are seen as new versions so you have until
sometime after 17.0 goes GA before support is dropped.

Chris Wood
Alberta Department of Energy
CANADA

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