EMC upgrades NAS line with SSDs, file deduplication

EMC Monday announced an upgrade to its entire line of Celerra network attached storage (NAS) systems, saying it will now offer solid-state disks (SSDs) and file-level data deduplication on the arrays and its gateway device.

The upgraded arrays include the NS-120, NS-480, NS-960 and NS-G8 NAS Gateway appliance, which attaches to a Clariion or Symmetrix storage array to offer file-level data storage using NFS or CIFS protocols.

The upgrades include data deduplication for primary file systems and end user file data in VMware and other virtualized environments. The deduplication feature is a single-click startup operation with automated policies and is fully integrated into Celerra Manager software free of charge. EMC claims that by eliminating redundant data, it can reduce file system capacity up to 50 percent.

The NAS boxes now offer management tools for VMware environments such as VMware View Storage Integration, a VMware vCenter plug-in that helps administrators more quickly provision thousands of virtual desktops leveraging Celerra's snapshot features and VMware View Composer.

The Karlsruhe Institute of Technology (KIT) in Germany uses multiple Celerra NS systems for its files services, VMware and Oracle and Exchange server environments. The school beta tested the new Celerra Data Deduplication feature.

Uli Betzler, senior storage architect at KIT, said the Celerra data deduplication feature reduced the primary data in his file service environment by 25 percent, while improving overall system performance.

"Many of the files stored on the Celerra are large and deduplication will result in cost savings for the KIT with the benefit of faster access to the files," he said. "Beyond that, even the small files in typical user profiles show an impressive compression ratio with EMC's Data Deduplication feature."

Rich Napolitano, senior vice president at EMC's Storage Division, said the Celerra line also includes multi-protocol interfaces, including as many as 32 10Gbit/sec Ethernet NAS and iSCSI ports.

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