Re: Paging volumes, size vs. number

2008-10-04 Thread C T
More precisely, the sysprog can't *tell*, thus cannot worry about it in a
meaningful way. I've been told that if the paging devices happen to be on
the same rank in [some generation of] Shark, you won't be happy.

On Sat, Oct 4, 2008 at 9:22 AM, Quay, Jonathan (IHG)
<[EMAIL PROTECTED]>wrote:

> It's my understanding that VM determines the number of paging exposures at
> IPL and then uses that number in calculations involving dispatch, memory
> management, etc.  In a modern virtualized disk environment with multiple
> FICON paths to a huge amount of cache in the disk array controller, this may
> not be as important as it once was.  The mod 3, 9, or 27 may exist on the
> same physical HDA's, only your hardware engineer knows for sure.  I've been
> told by SE's that except in extremely rare circumstances, that the sysprog
> need not worry about it.
>
> 
>
> From: The IBM z/VM Operating System on behalf of Bill Holder
> Sent: Fri 10/3/2008 6:04 PM
> To: IBMVM@LISTSERV.UARK.EDU
> Subject: Re: Paging volumes, size vs. number
>
>
>
> Having a good paging system is as much about bandwidth as it is about
> capacity, so I'd say the other responders are offering sound advice.  Lac=
> k
> of sufficient capacity will certainly hurt badly when you fill it up and =
> run
> out (causing a PGT004 abend), but lack of sufficient bandwidth will hurt
> performance and throughput whenever the system is paging, and if bad enou=
>  gh,
> can lead or contribute to abends of its own (e.g., FRF002).
>
> - Bill Holder, z/VM Development, IBM
>


Re: Linux command

2008-09-17 Thread C T
ifconfig

On Wed, Sep 17, 2008 at 6:21 PM, Martin, Terry R. (CMS/CTR) (CTR) <
[EMAIL PROTECTED]> wrote:

>  Hi
>
>
>
> Can someone tell me the Linux command to display the HiperSockets interface
> defined to the Linux guest? I want to find the IP address that is associated
> with the HiperSockets CHPID and triplets. I am running REDHAT REL4.6
>
>
>
>
>
>
>
> *Thank You,*
>
>
>
> *Terry Martin*
>
> *Lockheed Martin - Information Technology*
>
> *z/OS & z/VM Systems - Performance and Tuning*
>
> *Cell - 443 632-4191*
>
> *Work - 410 786-0386*
>
> [EMAIL PROTECTED]
>
>
>


Re: Nice idea in blog: Should we toss x86 architecture

2008-07-22 Thread C T
The hardest part, of course, will be turning the machine over to get the
Microsoft license key off the bottom...

On Tue, Jul 22, 2008 at 2:37 PM, Gary M. Dennis <[EMAIL PROTECTED]>
wrote:

> We looked very hard at the licensing aspect of this.  We don't see anything
> in the Microsoft EULA that would permit or cause them to treat this
> environment different any different than existing VM environments. This
> environment should work in their favor since the images (and therefore the
> licenses) can be deployed more efficiently than in an blade warehouse
> environment.


Re: Nice idea in blog: Should we toss x86 architecture

2008-07-22 Thread C T
With the BSOD replaced by the GSOD?

On Tue, Jul 22, 2008 at 12:14 PM, Bob Heerdink <[EMAIL PROTECTED]>
wrote:

> http://blogs.zdnet.com/perlow/?p=9183
>
> "Should we toss x86 architecture and wipe the slate with something greener
> and more scalable?"
>
> "Windows Server 2016 128-bit edition running virtualized on z/VM in a green
> datacenter, accessed via my house from a thin client over high-speed fiber
> optic connection. I can see it now."
>
> Hope this happens sooner than predicted,
> Bob
>