Home > Storage > PowerStore > Storage Admin > Dell PowerStore: Best Practices Guide > Replication
PowerStore provides native synchronous and asynchronous replication solutions to protect data and help organizations meet business goals for both data availability and protection. Supported storage resources for native synchronous and asynchronous replication are volumes, volume groups, thin clones, NAS servers, and file systems. The replication itself uses iSCSI or the optimized Dell proprietary TCP-based replication protocol through Ethernet (LAN) connections that was introduced in PowerStoreOS 3.0.
When configuring replication, it is recommended that you use different physical ports for replication and front-end Ethernet storage traffic. A specific storage network for replication can be created and mapped to the desired physical ports for replication.
Metro and synchronous replication also require a low latency network (<5ms). As all host I/O must be written to the local and remote system before acknowledging the host, network speeds and the performance of the peer system can impact the latency encountered by the host. It suggested that the local and remote system models be equal in case a failover of I/O must occur.