Good Post by Mohan Potheri (thank you)
Cloning virtual machines is an area where VAAI can provide many advantages. Flash storage arrays provide excellent IO performance. We wanted to see what difference VAAI makes in virtual machine cloning operations for “All Flash Arrays”.
For the test 500GB of random data on a VMDK was created on a Linux virtual machine. This virtual machine was then cloned with VAAI turned off and then on to study its impact. The results of the testing truly attest to the big benefits that VAAI bring to massive write operations.
Read on here