[mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of Mark Jacobs
Sent: Friday, October 11, 2013 3:09 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Coupling Facility Structure Duplexing
We're currently running two CF lpars, with about 1/2 of the structures in each
CF, and where appropriate we're already
: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
Behalf Of Mark Jacobs
Sent: Friday, October 11, 2013 20:22
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Coupling Facility Structure Duplexing
We're looking into moving to have all of our structures reside in a
single coupling facility lpar
On Sat, 12 Oct 2013 19:22:59 +0100, Martin Packer martin_pac...@uk.ibm.com
wrote:
The discussion so far has been about SYSTEM-Managed Duplexing. What hasn't
been discussed is USER-Managed Duplexing. The latter (DB2 Group Buffer
Pools only so POSSIBLY not relevant to the Original Poster)
: 614-213-4171
(michael.j.bern...@jpmchase.com)
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of Mark Jacobs
Sent: Friday, October 11, 2013 3:09 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Coupling Facility Structure Duplexing
We're
://www.ibm.com/developerworks/mydeveloperworks/blogs/MartinPacker
From: Mark Brooks mabr...@us.ibm.com
To: IBM-MAIN@listserv.ua.edu
Date: 11/10/2013 21:59
Subject:Re: Coupling Facility Structure Duplexing
Sent by:IBM Mainframe Discussion List IBM-MAIN@listserv.ua.edu
Hi
We're looking into moving to have all of our structures reside in a
single coupling facility lpar, but have a second one configured as a hot
standby, and as a target to move structures to when a planned outage of
the primary CF is necessary.
I know the answer is It depends, but does anyone
On Fri, 11 Oct 2013 14:21:47 -0400, Mark Jacobs mark.jac...@custserv.com
wrote:
We're looking into moving to have all of our structures reside in a
single coupling facility lpar, but have a second one configured as a hot
standby, and as a target to move structures to when a planned outage of
the
We're currently running two CF lpars, with about 1/2 of the structures
in each CF, and where appropriate we're already duplexing selected
structures.
So, my question really is, is the CPU time needed to manage the duplexed
structure the same as, greater than, or less than the amount of time
On Fri, 11 Oct 2013 15:08:30 -0400, Mark Jacobs mark.jac...@custserv.com
wrote:
We're currently running two CF lpars, with about 1/2 of the structures
in each CF, and where appropriate we're already duplexing selected
structures.
So, my question really is, is the CPU time needed to manage the
Hi,
Duplexed requests are more costly than simplex requests. Generally
applications feel this most significantly via longer service times.
In terms of comparing the actual CPU cost to the two CF's for
processing a duplexed requests, the correct answer is it depends. It
depends on
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