Let's say that total amount of virtual storage is the main issue, with
everything else relegated to the status of being inconsequential. 

Regards, 
Richard Schuh 

 

> -----Original Message-----
> From: The IBM z/VM Operating System 
> [mailto:[EMAIL PROTECTED] On Behalf Of Bill Holder
> Sent: Thursday, August 21, 2008 1:54 PM
> To: IBMVM@LISTSERV.UARK.EDU
> Subject: Re: z/VM 5.2 and the 2GB Line
> 
> On Thu, 21 Aug 2008 09:57:22 -0700, Schuh, Richard 
> <[EMAIL PROTECTED]> wrot=
> e:
> 
> >I have been unable to come up with the magic search argument to get 
> >this=
> 
> >list to spit out the answer to the question, "What is the 
> total GB of 
> >virtual storage, the sum of the VM sizes, can z/VM 5.2 
> handle without 
> >running into the dreaded 2GB line constraint?", so I will 
> ask the list.
> >What is it? 
> >
> >Regards,
> >Richard Schuh
> >
> >
> >
> 
> The answer is, of course, the trademarked "it depends".  
> There are severa=
> l
> different forms of the constraint, and all are dependent on 
> workload.  Ev=
> en
> something as apparently unrelated as how dense or sparse the 
> guests' stor=
> age
> reference patterns tend to be can greatly influence the 
> degree to which t=
> he 
> constraint will be an issue for a given total virtual storage 
> size.  I'm =
> not
> sure if we even have typical or average numbers, but I can 
> ask around. =
>  
> 
> - Bill Holder, z/VM Development, IBM 
> 

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