Mark,
We are doing the z/VM half of what you are describing, but not using a z/OS
export.
Our procedure is as follows:
Edit the IOCP source with XEDIT and verifying the changes with the IOCP module
NOWRT option. We have found the HCM application for z/VM too difficult to use.
Then use the following sequence of HCD commands:
Create a skeleton file:
CBDSIODF IODFxx WORKIODF A 2048
(xx being the IOCDS to be update, our convention)
To load the IOCP source into the skeleton file:
CBDSMIGR IODFxx WORKIODF A IODFxx IOCP A I SystemL 2066-001 LPAR H020731
(IODFxx IOCP is our naming convention for the IOCP source file.)
Create a production IODF file:
CBDSPROD IODFxx WORKIODF A IODFxx PRODIODF A
Create a IOCDS input file:
CBDSIOCP IODFxx * * SYSTEML
Write to the IOCDS and activate:
CBDSACT IODFxx * * xx (FORCE
Or write to the IOCDS for the next POR:
CBDSIOCP IODFxx * * SYSTEML I xx
All this work is done from the CBDIODSP userid, which is configured to run the
HCD commands.
Things like SystemL, 2066-001, and H020731 will be different for your machine.
The PRODIODF file (filetype PRODIODF) needs to be copied to all CP parm disks,
and "HCD *" added to the SYSTEM CONFIG.
"HCD *" in the SYSTEM CONFIG will cause CP to use the PRODIODF file which
matches the HCD configuration token.
SAPL has a NOHCD parameter to disable using the PRODIODF file.
Dynamic hardware changes are disabled when using HCD.
There are some steps for configuring z/VM to use HCD, but I have forgotten what
those steps were.
Use the "z/VM I/O Configuration" book for how to migrate to HCD, and as a
reference for HCD commands.
Good Luck
From: The IBM z/VM Operating System [mailto:[email protected]] On Behalf
Of Mark Wheeler
Sent: Thursday, February 18, 2010 8:42 AM
To: [email protected]
Subject: Using HCD on an IFL-only Machine
We've been running z/VM alongside z/OS, where the I/O config has been managed
with HCD by the z/OS folks. No worries!
Now we are getting an IFL-only box and want to maintain this organizational
relationship. I am not familiar with HCD on z/VM but from doc it looks like
IODFs can be managed by z/OS, exported and imported into z/VM, where "a miracle
occurs" and the I/O config can be changed dynamically.
Is anyone else doing this? Is there any simplifed doc available explaining how
this works?
Thanks!
Mark Wheeler
UnitedHealth Group
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