Re: Backup performance (CFINT)

At 04:08 PM 11/6/00 -0500, you wrote:

Chuck,

With all due respect, you should not be getting this on 4XX, 5XX or 6XX 
hardware.  You should get it on SX0 hardware, as those were server models.

Al


>And we have a 620-2179 and it has it too !
>
>Chuck
>
>"Al Barsa, Jr." wrote:
>
> > At 11:56 AM 11/6/00 -0500, you wrote:
> >
> > Agreed, but that's all current models.  All 7XX, 8XX, 170 and 270 models
> > fall into this category.
> >
> > Al
> >
> > >I think CFINT eats cycles only on server models (or those with purchased
> > >interactive performance).
> > >
> > >-----Original Message-----
> > >From: owner-midrange-l@midrange.com
> > >[mailto:owner-midrange-l@midrange.com]On Behalf Of Richard Jackson
> > >Sent: Monday, November 06, 2000 11:28 AM
> > >To: MIDRANGE-L@midrange.com
> > >Subject: RE: Backup performance (CFINT)
> > >
> > >
> > >-|-----Original Message-----
> > >-|From: owner-midrange-l@midrange.com
> > >-|[mailto:owner-midrange-l@midrange.com]On Behalf Of Jeff Crosby
> > >-|Sent: Monday, November 06, 2000 10:45 AM
> > >-|To: IGNITE/400 Mailing List; Midrange Mailing List
> > >-|Subject: Backup performance (CFINT)
> > >-|
> > >-|
> > >-|Question:
> > >-|
> > >-|I'm about to move to RISC.  I have read about the CFINT governor.  If my
> > >-|daily backup (library *ALLUSR) runs interactively in a restricted
> > >-|system, will this governor kick in and not allow the backup to proceed
> > >-|as fast as in batch?
> > >
> > >No, probably.  At V4R4 and before if there is only one user, the governor
> > >does not kick in.  I don't know about V4R5 on 800 series boxes - the
> > >algorithm was changed.  The critical element is "restricted 
> state".  If the
> > >machine is not at a restricted state and other users are present, CFINT
> > >could be triggered.
> > >
> > >-|4 days a week (Mon-Thu), the operator inserts the tape into the drive
> > >-|and takes the backup option.  This backup is then submitted and then
> > >-|runs at 4am in batch.  On Friday evening, however, it runs immediately
> > >-|(ain't nobody here on Saturday).  I used to do it interactively.  I was
> > >-|afraid that this would kill performance under RISC, so I batched it.
> > >-|The interactive job (which is in subsystem QCTL) stays active and keeps
> > >-|the operator advised of the status.  The problem is the interactive job
> > >-|user's message queue object does not get saved from QUSRSYS since it is
> > >-|allocated to the interactive job.  If I go back to running this
> > >-|interactively on Fridays, this problem would go away, but what about
> > >-|that rascal CFINT job kicking in?
> > >-|
> > >-|--
> > >-|-Jeff
> > >-|The opinions expressed are my own and not necessarily
> > >-|the opinion of my company.  Unless I say so.
> > >-|+---
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> > >
> > >
> > >Richard Jackson
> > >Richard Jackson and Associates Ltd.
> > >IBM Business Partner
> > >mailto:richardjackson@richardjackson.net
> > >http://www.richardjacksonltd.com
> > >Telephone: 1 (303) 808-8058
> > >
> > >
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> > +--------------------------------------------------+
> > | Please do not send private mail to this address. |
> > | Private mail should go to barsa@ibm.net.         |
> > +--------------------------------------------------+
> >
> > Al Barsa, Jr. - Account for Midrange-L
> > Barsa Consulting Group, LLC.
> > 400 > 390
> >
> > Phone:          914-251-1234
> > Fax:            914-251-9406
> > http://www.barsaconsulting.com
> > http://www.taatool.com
> >
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+--------------------------------------------------+
| Please do not send private mail to this address. |
| Private mail should go to barsa@ibm.net.         |
+--------------------------------------------------+

Al Barsa, Jr. - Account for Midrange-L
Barsa Consulting Group, LLC.    
400 > 390

Phone:          914-251-1234
Fax:            914-251-9406
http://www.barsaconsulting.com
http://www.taatool.com

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