[THIN] Re: VMWare ESX Server
- From: George Yobst <george.yobst@xxxxxxxxx>
- To: thin@xxxxxxxxxxxxx
- Date: Thu, 9 Dec 2004 14:01:58 -0800
Joe,
For us novice ESX users, would you please expand on your questions
and give us a preferred way or device (I know, sometimes depends on
HW), and a brief why? I've only got one now too. -George
On Wed, 8 Dec 2004 21:18:07 -0700, Joe Shonk <joe@xxxxxxxxxxxxxxxxxxx> wrote:
>
>
>
> Are you using the vmxnet or vlance driver?
>
> Did you disable the COM ports in the BIOS of the citrix server?
>
> Are you using the buslogic or lsilogic scsi driver?
>
> Have you setup vmkusage?
>
> Are you running 2.1.2? older version? vSMP and/or Hyperthreading?
>
> Are you over subscribing the Host memory? If so, are you seeing a lot of
> disk i/o relating to swap file?
>
> Are you backending the VM to a SAN? Or are the .dsk/.vmdk files on the
> blade?
>
> Have you configures shares, mins and max for resources?
>
> Have you evaluate the workloads for each VM on the host? Are they a good
> fit for that host?
>
> Have the servers been optimized? Tweaked?
>
>
>
> I've run into skepticism of running on VM. This is generally because it's
> an unknown technology to them. Just because they don't understand it doesn't
> mean it doesn't work…. Just like Citrix.
>
>
>
> Could the failures be because the servers are misconfigured or setup poorly?
>
>
>
> Joe
>
>
>
>
>
>
>
> ________________________________
>
>
> From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
> Of Jennifer Hooper
> Sent: Wednesday, December 08, 2004 10:23 AM
> To: 'thin@xxxxxxxxxxxxx'
> Subject: [THIN] VMWare ESX Server
>
>
>
>
>
>
> Hi Guys -
>
>
>
>
>
> Here's the situation. We are about 1/4th of the way through converting
> our production data center (full of old, out of warranty Compaq servers) to
> IBM BladeCenters running VMWare ESX Server 2.0 (I think... whatever the
> latest version is). We use Platespin to convert the physical server to the
> VMWare image and move it over to the Blade it's going to live on. Right
> now, we have an average 5 servers per blade planned, and several have
> already moved over, because the hardware failed that they were on. However,
> some of the application folks are uncomfortable with this solution, not so
> much the Blade technology, as the VM technology. Needless to say, we're
> already experiencing failures, and stuff not running right - performance
> issues, network issues, etc. (Can you believe that they are going to run
> our Root Domain Controllers on this?) I have already experienced a drag on
> one of my Citrix servers that moved to virtual space, and can't fix it up.
>
>
>
>
>
> So what I would like to do before things get too much more hairy, is to
> try to find out what the success rate of running something like this in
> production, and if there are a lot of people out there doing this. Feel
> free to share with me any nightmare stories too! :)
>
>
>
>
>
> Thanks much!
>
>
>
>
>
> Jen
>
>
>
>
> Jennifer Hooper
> Peregrine Systems, Inc.
> Sr. Network Engineer
>
> mailto:jennifer.hooper@xxxxxxxxxxxxx
>
>
>
--
--------------------------------------------------------------------------
George Yobst, Library Technology Analyst phone: 503.723.4890
Library Information Network of Clackamas County fax: 503.794.8238
16239 SE McLoughlin Blvd, Suite 208 web: http://www.lincc.lib.or.us
Oak Grove, OR 97267-4654 email: george.yobst@xxxxxxxxx
"...it is impossible for anyone to begin to learn
what he thinks he already knows." - Epictetus
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