Thanks Ron!!!! On Thu, 9 Dec 2004 16:26:39 -0600, Ron Oglesby <Roglesby@xxxxxxxxxxxx> wrote: > Well (sorry Joe jumping in) > > Lets hit each of these: > > >Are you using the vmxnet or vlance driver? > This is the nework driver / NIC type for the VM you can see this in the VM > config within the web interface or in the VMX file. VMXNET is a better > performing driver > > > Did you disable the COM ports in the BIOS of the citrix server? > Common fix to speed some things up can be done in the bios at boot of the > VM, just like a normal machine > > > > Are you using the buslogic or lsilogic scsi driver? > LSI better performing SCSI Virtual device, again can be seen in the VM > config in the web interface > > > > Have you setup vmkusage? > Basically a graphical historical interface to ESXTOP, kinda a lite perfmon > in a webpage that is not setup by default SNIP BELOW all this text on > setting it up > > > Are you running 2.1.2? older version? vSMP and/or Hyperthreading? > Version of ESX installed. Are you using Virtual SMP (two procs in the VMs > can cause over head if not needed check out your VM config) Hyperthreading > in older versions caused perf problems. If you have an 8way or 4 way just > check out the webinterface and see how many procs you are reporting. > > > > Are you over subscribing the Host memory? If so, are you seeing a lot of > > disk i/o relating to swap file? > Newer version you can look at the amount of swap being used and determine > how much memory is over allocated. If over allocating back off and over > allocate less to the VMs > > > Are you backending the VM to a SAN? Or are the .dsk/.vmdk files on the > > blade? > DSK files are the "drives" for the VMs. If they are on a SAN and you have > tons of VMs on lets say a single GB HBA you could have issues etc etc > > > > > Have you configures shares, mins and max for resources? > These are configured in the VM properties again in the web interface (or in > virtual center) give higher priority to the guests that need it most, > > > > > Have you evaluate the workloads for each VM on the host? Are they a good > > fit for that host? Are there HIGH CPU, memory or Disk apps running on the > servers, High number of System calls etc. > > SNIP for VMKUSAGE > > . Installing vmkusage - The vmkusage packages are installed during the > ESX install process, but are not enabled by default. In order to properly > configure vmkusage to start gathering information and generating graphs, the > following commands must be entered: > > vmkusagectl install - This will set up the proper cron job to run every > minute to collect the data. It is important to wait for virtual machine > data to generate before proceeding, which could take up to 5 minutes. > > Modify /etc/cron.d/vmkusage-cron.sh - This is a one-line script that must be > modified to collect statistical data for a monthly interval. The original > file contains the following line: > > */1 * * * * root /usr/bin/vmkusage > /dev/null 2>&1 > > It must be modified with the monthly switch as follows: > > */1 * * * * root /usr/bin/vmkusage -monthly > /dev/null 2>&1 > > vmkusage -regroove - This will clear the databases and begin to collect the > monthly data specified by the previous step. > . Accessing the data - To view vmkusage data, all you need to do is > point your web browser to the following URL: http://servername/vmkusage > > > > > Ron Oglesby > Director of Technical Architecture > > RapidApp, Chicago > Office: 312 372 7188 > Mobile: 815 325 7618 > email: roglesby@xxxxxxxxxxxx > > -----Original Message----- > From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf > Of George Yobst > Sent: Thursday, December 09, 2004 4:02 PM > To: thin@xxxxxxxxxxxxx > Subject: [THIN] Re: VMWare ESX Server > > 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 > ******************************************************** > This Weeks Sponsor Activaeon.com > Reduce licensing costs with activAeon XA and > get one month completely free. > http://www.activaeon.com > ********************************************************** > Useful Thin Client Computing Links are available at: > http://thin.net/links.cfm > ThinWiki community > http://www.thinwiki.com > *********************************************************** > For Archives, to Unsubscribe, Subscribe or > set Digest or Vacation mode use the below link: > http://thin.net/citrixlist.cfm > > ******************************************************** > This Weeks Sponsor Activaeon.com > Reduce licensing costs with activAeon XA and > get one month completely free. > http://www.activaeon.com > ********************************************************** > Useful Thin Client Computing Links are available at: > http://thin.net/links.cfm > ThinWiki community > http://www.thinwiki.com > *********************************************************** > For Archives, to Unsubscribe, Subscribe or > set Digest or Vacation mode use the below link: > http://thin.net/citrixlist.cfm > -- -------------------------------------------------------------------------- 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 ******************************************************** This Weeks Sponsor Activaeon.com Reduce licensing costs with activAeon XA and get one month completely free. http://www.activaeon.com ********************************************************** Useful Thin Client Computing Links are available at: http://thin.net/links.cfm ThinWiki community http://www.thinwiki.com *********************************************************** For Archives, to Unsubscribe, Subscribe or set Digest or Vacation mode use the below link: http://thin.net/citrixlist.cfm