What is a Storage Snapshot? Snapshots and Data Backup

A storage snapshot is a set of reference markers for data at a particular point, acting like a table of contents. It’s not an exact replica of data, but a quick picture of how data looked at that moment in time, that users can roll back to. Types of snapshots, with varying uses, include copy-on-write, clone or split-mirror, copy-on-write with background copy, redirect-on-write, incremental, and VMware snapshots.

Where does data snapshot technology fit into your storage strategy? Share your thoughts in the comments, and hit that like button, too.

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[markganus]

The use of snapshots is enhanced with the addition of granular file backups, as it is possible to roll back an entire system image to an earlier point in time if the system needs to be restored.