I would suggest using eagerzeroedthick for any high IO tier 1 type of Virtual Machine. This can be done when creating the VMDK from the GUI by selecting the “Support Clustering Features such as Fault Tolerance” check box.
Well time to get on over to Eric Siebert’s vSphere-land and vote for the top 25 VMware Blogs. The goal this year is to have someone besides my Mom and myself vote for me. So if you happen to like the content of this blog please vote for me. Now some recap of recent posts to remind you why a vote for 2vcps is a vote for vAwesomeness.