NetApp MetroCluster

NetApp MetroCluster software is a solution that combines array-based clustering with synchronous replication to deliver continuous availability and zero data loss at the lowest cost. The vendor states administration of the array-based cluster is simpler because the dependencies and complexity normally associated with hostbased clustering are eliminated. MetroCluster immediately duplicates mission-critical data on a transaction-by-transaction basis, providing uninterrupted access to applications and data. MetroCluster works with a host environment to provide continuous data availability while eliminating the need to create and maintain complicated failover scripts.