[THIN] Re: Virtualizing Citrix
- From: "Evan Mann" <emann@xxxxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Sat, 26 Jul 2008 08:31:32 -0400
While there is no way to avoid the ESX costs themselves, the storage
side doesn't have to be as expensive as it once was. Back in the day,
you had to use a true SAN, but with full support for iSCSI in ESX, you
do storage on the cheap. The cost savings on internal server storage
from dedicated boxes can easily pay off the costs of a low-end iSCSI
solution. If you want to wonder outside of the HCL for storage, you'll
find that most any device that can give you some form of storage with an
iSCSI or FC front end will work just dandy with ESX 3.5. I'm using 1st
gen Apple X-Serve RAID's which is nothing more then a RAID array with a
FC front end. Works like a charm, but not on the HCL. I see VMware
has added HP AiO's to the HCL. The AiO is just Windows Storage Server
in an HP box with some HP tools. Given that, I don't see why a roll
-your-own Windows Storage Server wouldn't work like a champ, giving some
really interesting options to build your own storage.
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
Behalf Of Carl Stalhood
Sent: Friday, July 25, 2008 4:49 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Virtualizing Citrix
Virtualizing Citrix usually means you have to pay for two new things
that you didn't have to pay before: the virtualization layer (ESX) and
shared storage. Does the server hardware savings make up for the
additional cost of these other items? For non-Citrix servers the answer
is normally "yes" since most are underutilized. Citrix servers are not
underutilized so you probably won't get much savings from hardware
consolidation.
Some people say: "we have already invested in VMware and the SAN and
have excess capacity", thus not considering those costs. I think this is
a fallacy since the costs will be paid eventually if you add anything
else to the system and wish you had the extra capacity that is now being
used by the Citrix servers.
On Fri, Jul 25, 2008 at 1:28 PM, Merino, Ormond <Ormond_Merino@xxxxxxx>
wrote:
The balloon driver is actually called the 'Memory Control Driver', and
you can choose to not install it as part of the vmware tools. The
settings at the bottom are ESX host configuration settings, located in
'Advanced Settings' on the 'Configuration' tab of a host in Virtual
Center.
Hope this helps...ormond
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
Behalf Of George Wasgatt
Sent: Friday, July 25, 2008 2:13 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Virtualizing Citrix
The tips at virtrix.blogspot.com <http://virtrix.blogspot.com/> refer
to a memory ballooning driver in
VMWare tools that I can't seem to locate. I think that some of those
tips
are just a tad out of date.
And then there's this which is mostly a copy of the virtrix.blogspot
page
but with additional information at the bottom:
http://knmi.wordpress.com/best-practices-for-deploying-citrix-on-esx/
Now if I can just figure out what all that stuff at the bottom is...
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
Behalf
Of msemon@xxxxxxx
Sent: Friday, July 25, 2008 10:01 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Virtualizing Citrix
if you are virtualizing Citrix you are going to get less people on per
virtual machine. Count on about 30. Here is a link to some Citrix tips
on
VMware.
http://virtrix.blogspot.com/2007/03/vmware-best-practices-for-deploying.
html
<http://virtrix.blogspot.com/2007/03/vmware-best-practices-for-deploying
.html>
Anyone else have some tips?
Mike
Original Message:
-----------------
From: Minero, Hector B CIV NSWCDD, K55 hector.minero@xxxxxxxx
Date: Fri, 25 Jul 2008 09:28:48 -0400
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Virtualizing Citrix
Hi all,
I see all these messages going back and forth about virtualization, but
not much information on how Citrix/TS behaves in a virtualized
environment.
A tech./sales person from Dell came yesterday and told me that I could
probably replace 7 of my PowerEdge 2850 with one beefed up PowerEdge
R900 and virtualize the 7 Citrix servers. I find that kind of hard to
believe.
Each of my 2850's can handle about 30 to 40 users concurrently. I just
don't think that an R900 could handle 200 + users with virtual Citrix
servers.
Is anyone out there using VMWare to virtualize Citrix servers in a
production environment?
What kind of hardware?
How many virtual servers per physical server?
How many users?
I would greatly appreciate your advice as I am new to VMWare.
_______________________________
Hector Minero
NSWCDD K55
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