vSphere Disk Provisioning Notes

For VMware vSphere environments, there is more to provisioning a disk than simply choosing thick or thin. Within the vSphere Client we are not given all of the information on how the disks are provisioned when they are created.

The distinguishing factor among virtual disk formats is how data is zeroed out for the boundary of the virtual disk file. Zeroing out can be done either at run time (when the write happens to that area of the disk) or at the disk’s creation time.

Read the entire post at the Everyday Virtualization blog at Virtualization Review.

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