How to Convert Eager Zeroed Thick Disk to Lazy Zeroed Think Disk

According to the VMware KB2145183, an Eager Zeroed Thick disk cannot be directly converted / migrated / cloned to Lazy Zeroed Think disk. The work around is:

1. Convert the Eager Zeroed Think disk to Thin
2. Convert the Thin disk to Lazy Zeroed

The vmkfstools can be used for the conversion (see my previous post). Here is the commands:

1. vmkfstools -K <vmdkFile>
2. vmkfstools -j <vmdkFile>