The IT Hollow

January 21, 2013 2

The Effect of Too Many Virtual CPUs

Many times I see new virtualization admins add too many vCPUs to virtual machines after they’ve converted their physical machines.…

January 14, 2013 0

I decided to check out the new HP Performance Viewer and found it to be pretty useful. The appliance comes…

January 10, 2013 1

I recently took the VCAP5 – DCD exam and wanted to share my experience for anyone who is preparing …

January 7, 2013 2

I used to love the fact that with my old Netapp FAS2040 that I’d get a phone call about replacing…

December 26, 2012 9

In my last post I explained a memory reclamation technique called Transparent Page Sharing. This post is dedicated to the…

December 17, 2012 2

One of the companies I worked for got a Netapp filer and I loved the fact that it would dedupe…

December 11, 2012 0

Jumbo frames can be useful to optimize IP networks, especially in storage networking. This post should help to explain why…

December 3, 2012 0

HP Enterprise class storage has just entered the mid range market. Today HP announced the HP 3PAR StoreServ 7000 class…

December 3, 2012 1

When you team NICs together in ESXi 5 you can pick from a variety of load balancing techniques to determine…

November 21, 2012 5

I just found out that I’ve passed the VMware Certified Advanced Professional 5 – Datacenter Administration exam and wanted to…