Data Center Storage

Chapter 24

Virtual Desktop Infrastructure (VDI)

Earlier in the book we covered converged SAN and NAS; these provide the infrastructure for virtual desktops. For virtual desktop infrastructures, converged SAN and NAS are preferred but optional.

Here is a brief but highly relevant refresher on snapshot technology: Snapshots start with a time-zero copy. This is a data baseline; the system then separately captures only the changed blocks in a separate point-in-time volume. For server storage, a point-in-time snapshot is used to recover the data back to a point in time (PIT) in order to recover data from an accidental deletion or from virus infection. The snapshot process will set a point-in-time snapshot that will remain unchanged, but the changes ...