Classification: Confidential
1) Assign a different WLM service class to WLM managed job classes than JES
Managed classes.
The WLM managed classes include queue delay when determining whether to
start or stop initiators and velocity calculations.
WLM job queueing is FIFO. JES queueing is priority within job lass
(pending initiator availability).
2) Until you get to a "happy place" with WLM managed inits, keep a couple of
JES managed classes around for "emergency" use.
There is alspo a specific operator JES command to "start this job new"
that can also be used.
3) Your existing JES managed icommands will most likely be honored. There are
logical equivalents for WLM managed commands.
GIYF. There should be a bunch of stuff at SHARE.ORG, and other related places
around the timeframe of z/OS 1.4 about all of the (then) new stuff.
I think I hit the high points above.
HTH,
-----Original Message-----
From: IBM Mainframe Discussion List <[email protected]> On Behalf Of
Steve Estle
Sent: Wednesday, April 16, 2025 7:44 AM
To: [email protected]
Subject: WLM Managed Batch Initiators & JES Commands?
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Hello All,
We are embarking on an effort where we will be implementing WLM managed batch
Initiators across multiple ZOS 2.5 LPAR's. The implementation seems relatively
straight forward with JES Init parm updates to activate fully. My basic
question is what happens from an automation perspective to the various
automation scripts / JES commands that are embedded in the system that are
trying to manipulate the batch initiator configuration dynamically (start
inits, stop inits, reassign classes, etc.). Does JES just ignore / reject all
those commands or ???
Any lessons learned from implementing anyone would like to share - gotchas, etc?
Thanks,
Steve Estle
CDW ZSeries Services
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