VMworld Technical Sessions time table

For those attending the VMworld, the time table for the technical sessions is online! Check it out! I’m having a hard time picking which deep-dive sessions I will attend, there are so many to choose from!

Performance counters bug for the cluster?

Today I noticed the following in a ESX 3.5 and Virtual Center 2.5 environment: When you check the performance of the memory(past day) on the cluster the minimum and maximum is way more than expected. In this case the minimum is 66,9% and the maximum 106,01%. This cluster has around 64GB of memory and there’s [...]

Storage VMotion Fails With Error Message “Failed to unstun VM after disk reparent”

VMware justed added a new KB article about problems with Storage VMotion script:
Storage VMotion can fail for a virtual machine with the error message:
Failed to unstun VM after disk reparent.
The virtual machine is partially migrated and powered off. Generally, the virtual machine cannot be powered on again.
This issue affects:

Virtual machines converted in-place (not deployed [...]

Unidentified Flying Partition?

Two days ago RyanWI posted about an unidentified partition which generates errors in the vmkernel log. Today I visited a customer with the same setup, Dell servers and an EMC SAN and I was curious if I could reproduce this error. Well I did not had not much trouble reproducing the error because they already [...]

Netapp SnapManager for Virtual Infrastructure

Netapp just announced a new product “SnapManager® for Virtual Infrastructure”:
SnapManager for Virtual Infrastructure enables customers to protect their VMware environments with automated data protection and recovery of their virtual machines. SnapManager for Virtual Infrastructure dramatically reduces human error and increases server utilization for application workloads by eliminating the interruptions and performance impact caused by traditional [...]

Add multiple SCSI controllers to your VM to improve performance

A couple of months ago at the Dutch VMug meeting Bouke-Jumé gave some good storage tips. This is one of them:
The LSI Bus Logic Controller / Driver has a standard queue depth of 256. Although it isn’t possible to set this higher it is possible to add a second controller and when you make sure [...]

Vinternals: howto disable the Capacity Planner

Vinternals wrote a short article on how to de-install or hide the Capacity Planner plugin for VirtualCenter:
Capacity planner is rather pesky to have hanging around on every VirtualCenter box in the enterprise… especially if you use some other tool for the job! So just add this line to the end of your VirtualCenter install script:
msiexec [...]

Issue with performance stats in VirtualCenter?

I noticed at a few customer sites that the Performance tab of VirtualCenter was getting sluggish but never got the chance to really pinpoint the problem. A couple of days ago user “jterpstr” posted about this on the VMTN forum and it seems that the old rows aren’t deleted from the database for some reason. [...]

Installing VirtualCenter 2.0.2 on a Windows 2000 SP4 server

Today I encountered a weird problem. When I started the installation of VirtualCenter 2.0.2 on a Windows 2000 Server I received the following error notification:”Setup cannot continue. The “VMware VirtualCenter Server 2.0″ requires Update 1 Rollup for Windows 2000 SP4. Please see KB article 816542 at http://support.microsoft.com/kb/816542/.”
I checked the server but the patch was installed, [...]

VCB: I forgot all about “automount disable” what now?

Before installing VCB and connecting the proxy host to the SAN you should disable automount via diskpart(cmd, diskpart, automount disable, automount scrub). When you don’t disable automount Windows will signature all “incoming” disks. When this happens the VMware hosts will not recognize the VMFS volumes anymore. But fortunately you can re-label the luns as VMFS.
Check [...]