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IBM System Storage N series with VMware vSphere 4.1 by Christian Prediger Appel, Roland Tretau

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Backup and recovery to a separate system
The N series storage systems provide a facility called SnapVault. It uses the Snapshot principles to make copies of the data of the primary storage system and put them onto a secondary system. With this method, the secondary system can replace tape backup for normal backup operations.
However, if tape is required, for example, with long data retention periods, tape backups can be taken off the secondary system. This task does not require a special out-of-hours backup window, because backups do not impact ...

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