On Wednesday, 07/28/2010 at 10:26 EDT, Philip Tully 
<[email protected]> wrote:
> I appreciate the responses, but the specifics are I am looking for are 
wh
> at
> should not be used. I think we all have enough experience to know we 
shou
> ld
> use and '*'  in the volser, but are these kind of restrictions 
documented
> ?

There's no documentation that I'm aware of, but you'll want to avoid 
volsers that are 1 to 4 hexadecimal digits (i.e. could be interpreted as a 
device address) or that match the keywords on any of these commands
- QUERY DASD
- QUERY ALLOC
- ATTACH
- DETACH

This includes volids like FREE, ALL, BOXED, ACTIVE, VOLID, VOLUME, etc.

Also avoid imbedded blanks.

Alan Altmark
z/VM Development
IBM Endicott

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