Data is written to storage devices frequently in the dynamic environment of vSphere 6. Losing a few hours’ worth of data, for whatever reason, could mean a large amount of data loss. Storage arrays provide various forms of business continuity/disaster recovery (BC/DR) capability to help mitigate this risk, including the following:
In this chapter, I cover details of these features in relationship to Virtual Machine File System (VMFS) datastores.
A storage snapshot is a static view of data at a certain point in time. Snapshots are commonly implemented as pointers to unmodified blocks on the primary logical unit number (LUN) at the time the snapshot is taken. If ...