Oracle ZFS Storage Appliance: How to Replicate Pools Between Two Nodes of a Cluster via a Direct Connection of Network Interfaces.
Last updated on JUNE 12, 2017
Applies to:Sun Storage 7110 Unified Storage System - Version All Versions and later
Sun Storage 7210 Unified Storage System - Version All Versions and later
Sun ZFS Storage 7120 - Version All Versions and later
Sun Storage 7310 Unified Storage System - Version All Versions and later
Oracle ZFS Storage ZS3-4 - Version All Versions and later
7000 Appliance OS (Fishworks)
This document provides a working example of a replication between two ZFS systems. Two factors make this replication very unique.
- The data is being replicated between the two nodes of a single ZFS appliance. (Source and Target are on one clustered system)
- There is no network involved. The data is replicated through a direct connection between an interface on each node.
This type of replication removes the additional infrastructure required of traditional replication. That being, you do not need a second ZFS appliance and a network connection between the two.
Another useful application of this feature is data migration. For example, after you add more capacity (disk trays) to an appliance, you can minimize downtime by migrating the data via replication to the new disk trays.
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