W dniu 29.04.2023 o 19:43, Ed Jaffe pisze:
Esteemed Sysprogs,
We use CBU to activate additional engines and capacity twice a year.
The image profiles on the HMC match the LPAR names and there seems to
be no way to associate alternate image profiles to be used while CBU
is active. Therefore, we have been manually updating the image
profiles to add the additional engines during the CBU and then
manually changing them back when the CBU is over.
Is there a better way? Can alternate image profiles be used? If not,
can these changes be easily scripted?
Scripted methods were described by Tom Mathias.
My €0.02 for "quite easy" methods:
1. My favorite: just create "small" profiles with RESERVED processors
and simply CF them online. No automation needed. The command will add
the CPUs or just fail with no further effects.
2. Backup & Restore the profiles - described by Tom.
3. Save As aka rename. You can have many profiles per LPAR, but only one
is active. Example: your LPARs are named ED, RADEK, JOHN.
Just create ED01, RADEK01, JOHN01 *and* ED02, RADEK02, JOHN02, etc.
Simple naming convention. Then Save As quickly create you favorite set
of profiles. Good for small number of LPARs, of course.
4. Alternate IOCDS. Two IOCDS, the only difference is LPAR names. Then
you may have two sets of LPAR profiles. Disadvantage: you have to keep
two IOCDSes on every IODF change. IMHO good for one time exeperiment.
HTH
--
Radoslaw Skorupka
Lodz, Poland
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