ADSM-L

SV: TSM and VMWARE

2003-12-03 11:26:01
Subject: SV: TSM and VMWARE
From: Christian Svensson <christian.svensson AT CRISTIE DOT SE>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Wed, 3 Dec 2003 17:25:03 +0100
Hi!
But I think in VMWare can you dedicate CPUs how many CPUs to each virtuel 
machine.
So in that case. How do you count the CPUs then? By each virtuel CPU or buy 
physical CPU * each virtuel machine?

Hmmm..
A co-worker to me told me that he have read somewhere that you only pay for the 
physical CPU. And does´nt matter how many Virtuel Machines you have. So if you 
got 10 CPU and 500 Virtuels Machines. You only pay for 10 CPUs and no more.
I don´t know if this is correct. But can someone comfirm that?

But about to use VMWare and together with TSM.
Many of all our customers here in Sweden runs VMWare in one or another way.
And everyone is happy about it. And it´s help them in many ways. And specialy 
in disaster recovery situations where a imported server have crached and 
together with CBMR/TSM has they restore that server to a VMWare virtual 
machine. And then can the customer easy rebuild his machine from scratch 
without any time limit.

And we have also see that. Windows is runing much better on a VMWare server 
then a normal hardware.

Good luck guys
Christian Svensson

-----Ursprungligt meddelande-----
Från: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]För Coolen,
IG (Ilja)
Skickat: den 3 december 2003 08:59
Till: ADSM-L AT VM.MARIST DOT EDU
Ämne: Re: TSM and VMWARE


Rod,

We are currently in the same process of trying to consolidate on VMWare.

We have a TSM client running succesfully on the Linux-Base of the Vmware
box, giving us a chance to backup complete Wintel guest operating systems as
single files, having the guest OS's suspended of course. This creates the
best DR possibilities.
We are in the process of using ESS/FlashCopy to do an instant backup of the
complete Vmware box, and offload those copies to TSM. Which reduces the
suspend time.

When doing TSM backups on the Wintel guest operating systems on the VMware,
you should treat the windows OS as if it were a stand-alone Intel box
running windows, so the TSM support should not be different. But that's my
theory.

As for license issues; TSM is licensed against the number of CPU's in the
physical machine. Now lets run 20 guest OS's on a single 4way Vmware
machine.
This was confirmed by our local Tivoli rep., but I still have my doubts.
Nice theory though.

All this is very nice, but we don't have a Tivoli support confirmation yet,
so we have no production environments running like this at the time.

Greets, Ilja

-----Oorspronkelijk bericht-----
Van: rh [mailto:rh_info_store AT YAHOO DOT COM]
Verzonden: dinsdag 2 december 2003 16:53
Aan: ADSM-L AT VM.MARIST DOT EDU
Onderwerp: TSM and VMWARE


Like many companies, we are attempting to consolidate
multiple Wintel servers into VM's using VMware. Does
anyone know if IBM supports TSM 5.2 servers and
clients running under VMware? I see on VMware's web
site that IBM is a "software alliance partner" and TSM
is listed as supported. I can't find any IBM site that
states this as being true, or the VMware/TSM
combinations that are supported or tested. I don't
want to get into a situation were I will have to
recreate a TSM problem in a standalone environment in
order to get support. Is anybody running this
combination and received support from TSM?

Many thanks,
Rod Hroblak
ADP

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