Snapshot
This chapter introduces the snap family of commands, which provides a means to create and manage Snapshot copies in each volume or aggregate.
11.1 Snapshot introduction
A Snapshot, as shown in Figure 11-1, is a read-only copy of the entire file system, as of the time the Snapshot was created. The filer creates Snapshots very quickly without consuming any disk space. The existing data remains in place; future writes to those blocks are ...
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