Topical: Just yesterday a colleague and I were discussing a user-defined 
(not SSI) subsystem - SILO - that a customer appears to have. You can 
guess (as I did) the origin of the subsystem. Anyone know anything about 
the subsystem? For some reason they have excluded SMF records with that 
subsys.

I see two problems/questions:

1) Getting address space counts out of RMF Type 70 Address Space Count 
section. They're there for TSO, STC etc but not for user-defined. I assume 
subtracting some of these from headline number would give (usually 0) user 
subsys address space count.

2) Wondering how WLM allows you to classify work from such a user 
subsystem. e.g. What qualifiers?

In general I just wonder what this thing is and how it behaves and how 
prevalent it is. Oh, and why it's a user-defined subsystem in the first 
place.

Cheers, Martin

Martin Packer,
Mainframe Performance Consultant, zChampion
Worldwide Banking Center of Excellence, IBM

+44-7802-245-584

email: martin_pac...@uk.ibm.com

Twitter / Facebook IDs: MartinPacker
Blog: 
https://www.ibm.com/developerworks/mydeveloperworks/blogs/MartinPacker





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