The Royal Horticultural Society (RHS) has upgraded to Compellent Storage Center 5 and is using its Portable Volume component to cut replication times by 80%. The portable disk drive product allows the RHS to fully back up production data totalling approximately 5.5 TB every two days from its central London headquarters to its Vauxhall disaster recovery (DR) site. Previously, the organisation used Compellent replication over its wide-area network (WAN), which resulted in backups being weeks behind due to insufficient bandwidth.
Compellent Portable Volume is an external disk drive product that mirrors the logical unit number (LUN) structure of production and secondary storage-area networks (SANs). The product allows users to copy data to its volumes, physically transport them offsite and move data over to mirrored LUN volumes at the DR site with no further configuration.
Martin Taylor, converged network manager at the RHS, said Portable Volume successfully addressed a situation that could only otherwise be resolved by spending a lot more money on the organisation's WAN link. "The problem we faced was replicating to the DR site via a limited WAN connection," he said. "We're a mid-sized organisation and a charity. If we had money to throw at a bigger WAN connection we would, but this way of doing things cuts replication time down by about 80%."
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