When planning for an upgrade from vSphere4 to vSphere5 what will be the effect of upgrading a
1TB VMFS3 datastore with a 2MB block size to VMFS5?
A.
Thick virtual disks can be expanded to a maximum of 2TB.
B.
Thick virtual disks can be expanded to a maximum of 512GB.
C.
Thin virtual disks can be expanded to a maximum of 512GB.
D.
Thin virtual disks can be expanded to a maximum of 2TB.
This article explains why an upgraded VMFS3 with a 2MB block size can still hold a vmdk of ~2TB.
http://blogs.vmware.com/vsphere/2011/08/2tb-vmdks-on-upgraded-vmfs-3-to-vmfs-5-really.html
But not sure why there would be a difference between thin and thick disk as far as expansion.
None of the answers seem correct.
If you upgrade a 1TB VMFS3 datastore to VMFS5, it’s still only 1TB so you can’t have disks >1TB.
In general upgrading VMFS3 to VMFS5 will allow VMDKs up to 2TB, but the upgrade doesn’t increase the datastore size.
It’s D because a THIN virtual disk can be bigger than the datastore size, so it can be expanded for more than 1TB. tricky question!