From Bit's note, we have no problem. The 14 or 15 dataspaces of just
under 2G each will be R/O, so there never is a need to page them
out. Since they page in directly from SFS, they already occupy
sufficient page space to accommodate them. The 50% rule can then
apply to the few users who
Any work we do in this area, to force users instead of abending, will
not change our recommendations for configuring appropriately for
paging. Airbags were not invented so one could drive like an idiot.
And Rob has a good point about what people would notice and
that will be part of the
If Endicott spends any time on this opportunity, related to what you said
about the situation of going from 90% page full to an abend is the spool
going from 90% and putting out an HCPPGT401I message to 100% and putting
out an HCPPGT400I message. On any system I have ever supported, I want to
If you also have network monitoring requirements, the client code that I
wrote for the Hobbit network monitor can do some of this. It can be
configured to watch the paging space and optionally send alerts at a
certain threshhold.
If you already have a network monitor, perhaps the program can
I'm sure it does, but...
At 09:27 AM 7/11/2006, you wrote:
CA/VM:Spool does all this and more.
Jim Bohnsack
Cornell Univ.
(607) 255-1760
respond to
The IBM z/VM Operating System IBMVM@LISTSERV.UARK.EDU
To
IBMVM@LISTSERV.UARK.EDU
cc
Subject
Re: Paging Space Question
I'm sure it does, but...
At 09:27 AM 7/11/2006, you wrote:
CA/VM:Spool does all this and more.
Jim Bohnsack
Cornell Univ.
(607) 255-1760
On 7/11/06, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
It really wouldn't be too complicated to have a disconnected service machine
that puts
out a message every five minutes (plus or minus whatever desired) and sends
a line or
A performance monitor will keep track of that plus a lot more,
True. Note also that Perfkit has a set of default thresholds for this sort of
thing prebuilt; it may be cheaper to activate it rather then writing your own.
It really wouldn't be too complicated to have a disconnected service machine
that puts
out a message every five minutes (plus or minus
Perhaps one step toward buying more time would be to set one or more
thresholds above which new logons are resticted to definable groups of
userids. (eg. at xx% only non-class G users can logon, at yy% only users
with some special directory OPTION can logon, at zz% only OPERATOR and
MAINT
@LISTSERV.UARK.EDU
Subject:Re: Paging Space Question
From Bit's note, we have no problem. The 14 or 15 dataspaces of just
under 2G each will be R/O, so there never is a need to page them
out. Since they page in directly from SFS, they already occupy
sufficient page space to accommodate
The Situation: A small, special purpose VM that is going to have 12 users
accessing data that is contained in DIRC directories that are enabled for data
spaces. These directories will have a total of approximately 5.7 million blocks
committed. The processes using them will be most of what is
if CP does have that type of checking.
Regards,
Richard Schuh
-Original Message-
From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of
Marty Zimelis
Sent: Monday, July 10, 2006 11:44 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject:Re: Paging Space Question
,
Richard Schuh
-Original Message-
From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of
Bill Bitner
Sent: Monday, July 10, 2006 12:24 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject:Re: Paging Space Question
Richard,
Yes, you need to define sufficient paging space
Instead of a CP ABEND when PAGE space runs out CP could terminate a
virtual machine to free up memory/PAGE space. I would much rather see
*any* virtual machine terminate than have CP ABEND and terminate them all
.
There are lots of potential options/tuning knobs that could be devised to
aid
.
Regards,
Richard Schuh
-Original Message-
From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of
Alan Altmark
Sent: Monday, July 10, 2006 1:09 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject:Re: Paging Space Question
On Monday, 07/10/2006 at 11:54 MST, Schuh
@LISTSERV.UARK.EDU
Subject:Re: Paging Space Question
Instead of a CP ABEND when PAGE space runs out CP could terminate a
virtual machine to free up memory/PAGE space. I would much rather see =
*any* virtual machine terminate than have CP ABEND and terminate them all=
.
There are lots
-Original Message-
From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED]
On
Behalf Of Brian Nielsen
Sent: Monday, July 10, 2006 1:32 PM
To:IBMVM@LISTSERV.UARK.EDU
Subject: Re: Paging Space Question
Instead of a CP ABEND when PAGE space runs out CP could terminate
15:09
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: [IBMVM] Paging Space Question
Exempting some users should be part of the options/tuning knobs.
If a shop would prefer to lose the entire system that should be their
cal=
l
(no action required - they'll get an easily referenced ABEND code
On 7/10/06, Schuh, Richard [EMAIL PROTECTED] wrote:
Any virtual machine would not work at most shops; any but the ones in an exempt
list might be OK.
But we're telling folks to stay well under 25-50% utilization. Must be
strange things happening that will suddenly make you fill up paging
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