It is a best practice t oequip your ESX Server with a /vmimages partition.
What is the reason for this practice?

A.
You can use the space to store ISO images and exported virtual disks.

B.
it is required for Storage Area Network connectivity.

C.
Linux VMs run faster if their virtual disks are in an ext3 file system.

D.
You can use REDO logs for virtual disks in /vmimages partitions.

Explanation:

Vmimages is used for storing iso images and exported virtual disk templates.