Overcommiting memory, the war is on…

I blogged about this yesterday, and a couple of hours later several articles on this topic popped up on the VMware website. Read them, and be prepared for another round of Citrix/MS blogs trying to discredit this feature. In my opinion it’s simple any feature that lets me virtualize more users / servers on the […]

Virtualizing Citrix?!

There’s been so many discussions on whether to virtualize Citrix Servers or not I can hardly keep track. But today I was pointed out to a discussion on the VMTN forum. Especially Jason Boche’s contribution to this thread is very valuable and makes sense on why you actually should virtualize your Citrix environment. Jason discovered […]

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 […]

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 […]