Thin-Provisioning: Virtualization or Storage?

Thin-provisioning, a great feature for virtual machines, uses the disk space required instead of what is allocated. I frequently refer to the Windows pie graph that displays used and free space as a good way to explain what thin-provisioned virtual disk files “cost” on disk. All major hypervisors support it, and there is somewhat of a debate as to whether or not the storage system or virtualization engine should manage thin-provisioning.

Continue reading at the Everyday Virtualization blog at Virtualization Review.com.

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