description Dell EMC Unity Replication Overview
Dell EMC Unity Replication continuously mirrors data blocks from primary Unity arrays to secondary locations for near-instantaneous recovery in the event of failures or disasters, minimizing downtime and ensuring business continuity.
help Dell EMC Unity Replication FAQ
What does Dell EMC Unity Replication do?
Dell EMC Unity Replication mirrors data blocks from a primary Unity array to a secondary location. The goal is to provide a recovery copy and reduce downtime after a failure or disaster.
Does Unity Replication guarantee zero data loss?
No. The possible data loss depends on the replication mode and recovery point objective, and a replica can also copy accidental changes or corruption. Separate backups are still needed for independent recovery.
How does Unity Replication help during a storage failure?
A secondary Unity copy can support recovery when the primary array is unavailable. That design helps an organization resume access more quickly than rebuilding all data from scratch.
How is replication different from a snapshot or backup?
Replication continuously mirrors data blocks to another Unity location, while a snapshot is generally a point-in-time view and a backup is an independent recovery copy. Replication improves availability, but it should not be treated as the only backup.
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