I played around with VMWare server 2.0 and found the ajax web server sucked
all the life out of the host.  That was the only thing on a fairly quick
machine.  Version 1 kills Version 2 performance wise.  Throw in AJAX with
the rest of your google search terms and read on.

-Devin

On Sun, May 24, 2009 at 4:23 AM, Ken Schaefer <[email protected]> wrote:

> FFS - the OP is running a grand total of 5 OSes - 4 VMs and the host, with
> nothing running in any of the VMs across 3 disks on a new server
>
> I can do better than that my laptop (I am writing this email whilst running
> 4 MOSS servers, 1 SQL Server and a DC) on my Dell E6400 with 3 spindles.
>
> Seeing 15 minute lags in the VMs at a time means that something else is up.
> It's not the number of disks. It be the RAID controller, or some other
> driver issue.
>
> Cheers
> Ken
>
> ________________________________________
> From: Charlie Kaiser [[email protected]]
> Sent: Saturday, 23 May 2009 5:09 AM
> To: NT System Admin Issues
> Subject: RE: Performance problem on VMwareServer2 - gah
>
> You've got an inadequate disk subsystem for what you're trying to do.
> Choices...
> 1. Launch fewer VMs at one time.
> 2. Add JBOD storage and run one VM per spindle.
> 3. Add USB drives and run the VMs off of that. Not ideal, but workable.
>
> A Raid5 array, as Joseph pointed out, with its parity overhead, is going to
> be unworkable long term. BTDT. My best solution in the past has been a
> bunch
> of disks, ideally mirror sets for reliability if you can swing it, with one
> VM per array.
>
> ***********************
> Charlie Kaiser
> [email protected]
> Kingman, AZ
> ***********************
>
> > -----Original Message-----
> > From: [email protected] [mailto:[email protected]]
> > Sent: Friday, May 22, 2009 11:24 AM
> > To: NT System Admin Issues
> > Subject: RE: Performance problem on VMwareServer2 - gah
> >
> > Single Array, RAID5, made up of 3 physical disks (thats all we have).
> >
> > Original Message:
> > -----------------
> > From: Charlie Kaiser [email protected]
> > Date: Fri, 22 May 2009 11:08:22 -0700
> > To: [email protected]
> > Subject: RE: Performance problem on VMwareServer2 - gah
> >
> >
> > How are the physical drives configured? We usually put no
> > more than one VM on a spindle. The conflicts between two VMs
> > on one spindle produce unacceptable bottlenecks in my experience.
> >
> > ***********************
> > Charlie Kaiser
> > [email protected]
> > Kingman, AZ
> > ***********************
> >
> > > -----Original Message-----
> > > From: [email protected] [mailto:[email protected]]
> > > Sent: Friday, May 22, 2009 10:49 AM
> > > To: NT System Admin Issues
> > > Subject: Performance problem on VMwareServer2 - gah
> > >
> > > Thought I'd ask our resident gurus...
> > >
> > > I have a brand new HP DL360 server. 8GB memory, 2 quads, 3
> > SAS drives
> > > with a P400i/512 controller w/BBWC.
> > >
> > > I am running Windows 2003 R2 Enterpise on the host machine. I also
> > > created
> > > (4) VMs (each 75GB in size, preallocated) each with a
> > Single vCPU, and
> > > 2GB of memory, running Windows 2003 R2 Enterprise.
> > > NOTE -- These VMs have NOTHING on them except the O/S. No
> > > applications, no nothing.
> > >
> > > I have serious performance problems as it relates to the
> > VMs becoming
> > > unusable for a periond of 15 minutes or so every now and
> > then.... I am
> > > noticing, on the HOST, that the logical disk - % write time
> > > performance counter just shoots up 100% for as much as
> > 10-15 minutes
> > > (see attachment
> > > diskusage1.jpg) and then slowly comes down back to near zero (see
> > > attachment diskusage2.jpg). The graphs show a total time
> > duration of
> > > 16 minutes - FYI...
> > >
> > > During this high spike of Disk Write % on the host, the VMs
> > themselves
> > > are doing NOTHING. Again, they are PLAIN OS installed with nothing
> > > installed.
> > > Performance monitoring on those VMs shows barely ANY
> > activiate at all,
> > > while the host shows 100% disk write %. So it's definitely
> > the host,
> > > it seems, causing the poor performance. Also, notice in Attachment
> > > diskusage2.jpg the slow decline of Disk Write %... This
> > ALWAYS happens
> > > after a period of 100% disk write % usage.... it trails off slowly
> > > like that over a 10-15 minute period before it come down to zero
> > > again.
> > >
> > > Any idea what is causing this? I'm thinking about giving up
> > and going
> > > to ESXi. ??
> > >
> > > picture1 -
> > > http://communities.vmware.com/servlet/JiveServlet/download/126
> > > 0005-23055/dis
> > > kusage1.jpg?tstart=0
> > >
> > > picture2-
> > > http://communities.vmware.com/servlet/JiveServlet/download/126
> > > 0005-23054/dis
> > > kusage2.jpg?tstart=0
> > >
> > > Thanks all!
> > >
> > > Remember the true meaning of Memorial Day!
> > > JR
> > >
> > >
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-- 
Devin

~ Finally, powerful endpoint security that ISN'T a resource hog! ~
~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/>  ~

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