So the question is if for some reason you go over that 256G say to 265G what 
issues will you see, and how will the manifest themselves?

And if I stay right at 256G will I see any issues being that it is right at the 
max?

 

Thank You,

Terry Martin
Lockheed Martin - Citic
z/OS and z/VM Performance Tuning and Operating Systems Support
Office - 443 348-2102
Cell - 443 632-4191


-----Original Message-----
From: The IBM z/VM Operating System [mailto:[email protected]] On Behalf 
Of Bill Holder
Sent: Monday, October 11, 2010 4:43 PM
To: [email protected]
Subject: Re: Max REAL STORAGE for z/VM LPAR

Scott, where did you get those numbers?  The maximum 
amount supported is correct at 256GB, but the enforced 
cap is at 512GB, not 1TB.  Are you perhaps thinking 
instead of the maximum guest size on a particular 
machine?  

- Bill Holder, z/VM Development, IBM Endicott

On Mon, 11 Oct 2010 09:50:56 -0600, Scott Rohling <[email protected]
m>
wrote:

>From a performance presentation I have:
>
>zVM supported central storage: 256 GB
>zVM unsupported central storage:  1 TB
>The largest we ever managed was 440 GB
>
>So it appears you are passed the maximum supported storage for z/VM.
>After that - it's kind of a performance crapshoot.
>
>Scott Rohling
>
>On Mon, Oct 11, 2010 at 9:46 AM, Martin, Terry R. (CMS/CTR) (CTR) <
>[email protected]> wrote:
>

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