Well - this probably seems circular .. but it depends on the level of
overcommitment of virtual to real you define and on what size your paging
volumes are.   Or maybe I'm misunderstanding (frequently the case)..

Scott Rohling

On Fri, Oct 1, 2010 at 5:11 PM, Gary M. Dennis <gary.den...@mantissa.com>wrote:

> The thread on mixed paging volumes caused me to ask the question. I should
> have been more specific.
>
> If the volume limit for a z/VM page volumes is 240+, how does this relate
> to
> maximum defined virtual storage for all active guests under a z/VM image?
>
> For example, in an environment where each guest requires 4BG virtual, how
> many such guests could a single z/VM system manage?
>
>
>
> On 10/1/10 3:07 PM, "Mike Walter" <mike.wal...@hewitt.com> wrote:
>
> > Do you mean REAL virtual storage, to which answers have already been
> > supplied?
> > Or do you mean VIRTUAL virtual storage, as documented as the "Maximum
> > Input Values for Storage Units" in the CP Planning and Administration
> > manual?
> >
> > For z/VM 5.4 and 6.1 the maximum "stor" size for any virtual machine is
> > 16E (exabytes).
> >
> > I'd venture a guess that IBM would be pleased to sell you sufficient real
> > storage and DASD to support a few of those VMs, their paging and dump
> > space requirements.  :-)
> >
> >
> 110101001000100110010010100001010100000011100110100000011001001110100011100001
> > 0110011001
> >
> > Mike Walter
> > Hewitt Associates
> > The opinions expressed herein are mine alone, not my employer's.
> >
> >
> >
> >
> > "Gary M. Dennis" <gary.den...@mantissa.com>
> >
> > Sent by: "The IBM z/VM Operating System" <IBMVM@LISTSERV.UARK.EDU>
> > 10/01/2010 02:47 PM
> > Please respond to
> > "The IBM z/VM Operating System" <IBMVM@LISTSERV.UARK.EDU>
> >
> >
> >
> > To
> > IBMVM@LISTSERV.UARK.EDU
> > cc
> >
> > Subject
> > Maximum Virtual Storage
> >
> >
> >
> >
> >
> >
> > What is the maximum guest virtual storage supported by z/VM?
> >
> > --.  .-  .-.  -.--
> >
> > Gary Dennis
> > Mantissa Corporation
> >
> >
> >
> >
> >
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> --.  .-  .-.  -.--
>
> Gary Dennis
> Mantissa Corporation
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