


In vSphere 6.5, VMDK is again increased from 11 VMDK’s to 12 VMDK’s as compared to vCSA 6.0. This increased number of VMDK in vCSA 6.0 & VCSA 6.5 is to simplify the several challenges such as increase disk space on VCSA 6.5 for the particular application component.Prior to vSphere 6, If you needed more storage for the VCDB database but not for your logs or other applications, you had no choice but to increase the size of your entire volume. First VMDK is for operating system and various VMware applications such as vCenter Server, Web client, etc and Second VMDk disk is for storing the application data such as VCDB, logs, SSODB, etc. Prior to vSphere 6.0, vCSA contains only 2 VMDK. Diff VCenter 5.5 appliance and vCenter on WIndowsįrom vSphere 6.0, number of VMDK’s of vCSA appliance is increased from 2 VMDKs to 11 VMDKs.
