There is a very good article here by Cormac
Should I defrag my Guest OS? | VMware vSphere Blog - VMware Blogs
If you decide to do it,
VMware KB: Defragmenting and shrinking VMware Workstation virtual machine disks
There is a very good article here by Cormac
Should I defrag my Guest OS? | VMware vSphere Blog - VMware Blogs
If you decide to do it,
VMware KB: Defragmenting and shrinking VMware Workstation virtual machine disks