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10.2. Replicated Volumes vs Geo-replication
The following table lists the differences between replicated volumes and geo-replication:
| Replicated Volumes | Geo-replication |
|---|---|
| Works between all bricks in a replica set, so that changes are synced in both directions. | Works only from the primary (master) volume to the secondary (slave) volume. |
| Mirrors data across bricks within one trusted storage pool. | Mirrors data across geographically distributed trusted storage pools. |
| Provides high-availability. | Provides data back-up for disaster recovery. |
| Synchronous replication: each and every file operation is applied to all the bricks. | Asynchronous replication: checks for changes in files periodically, and syncs them on detecting differences. |
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