On Fri, 23 Jun 2006 09:40:24 -0500, Cal McCracken wrote:
>I have a z/OS 1.6 LPAR and a z/OS 1.7 LPAR. Both are running as MONOPLEXes
>without shared JES2 spool. SHARED=NOCHECK is specified for both on MASDEF.
>A 30 minute Enqueue Monitor capture on the 1.6 system shows numerous JES2
>checkpoint reserves issued, as one would expect. A similar capture on the
>1.7 system shows not a single JES2 checkpoint reserve. There are no entries
>in the 1.7 monitor capture that even look like a checkpoint reserve (i.e.,
>no checkpoint DSNs or volsers, etc.) Is this something new for 1.7 JES2? Am
>I missing something rather obvious (always my fear)? By the way, all of my
>z/OS LPARs share disk and GRS ring is in use but there are no RNL
>conversions for JES2 checkpoints.
Cal,
Check your HCD ("I/O gen") to verify that the DASD is defined as SHARED in
both LPARs. (I'd bet that it is SHARED on the 1.6 LPAR but not on the 1.7
LPAR.) That would account for the lack of reserve activity.
--
Tom Schmidt
Madison, WI
----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO
Search the archives at http://bama.ua.edu/archives/ibm-main.html
