On Thursday, 02/01/2007 at 04:19 CET, Colin Allinson 
<[EMAIL PROTECTED]> wrote:
                                                                       
> In our case we have an EXEC that set up a GUEST region (OS) with a 
requested 
> store. If we just believe the requestor, and the amount they request is 
too 
> large, we loose control. So, we try to validate the request before we 
action 
> it. 
> 
> On 32bit VM we used to define 2047M (more than that gave a different 
message) 
> but now, on 64 bit Z/VM,  we define 9999M as we are unlikely to have a 
user 
> larger than that. However, I do agree with Greg that 16E is probably the 
best 
> option.                                         

Could you change to use:
 XAUTOLOG <user> STORAGE <requested amount>
?

If it exceeds the maximum, the command will fail and the user doesn't 
start.           

Alan Altmark
z/VM Development
IBM Endicott

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