All posts in category vSphere

To Zero or not to Zero, that is the question…

Introduction A question that has been coming up quite a bit lately is related to the relative security of the different VMDK formats available for use within VMware vSphere. As most of you know, vSphere offers 3 basic disk formats. Lazy Zeroed Thick This is the standard format used by thick disks. Space is allocated […]

VM Large Pages, TPS and ASLR

In an earlier vCOps post I discussed how Large Pages effect consumed memory and how analyzing VM memory usage by Demand (or Active Memory), can give potentially misleading right-sizing recommendations. In this post I will go into detail around the common subject of the effect of Large Pages on Transparent Page Sharing (TPS) and consumed […]