EMC Clusters Data Domain Deduplication Appliances

EMC (NYSE: EMC) has taken a step toward allowing deduplication across its Data Domain appliances with the new EMC Data Domain Global Deduplication Array (GDA).

GDA offers inline global deduplication and a global namespace for all data stored across two high-end DD880 controllers. EMC claims throughput of up to 12.8 terabytes per hour, 270 concurrent backup jobs and 14.2 petabytes of logical backup capacity for the new system.

The lack of clustering ability has long been cited by Data Domain’s rivals, but EMC Data Domain product marketing director Shane Jackson said Data Domain’s CPU-centric architecture made dual controllers unnecessary.

“Dual controller didn’t buy you that much if the single system was getting bigger and faster anyway,” said Jackson.

But global dedupe brings with it some benefits, such as greater scalability, ease of management and load balancing.

The platform initially supports Symantec NetBackup and Backup Exec through the OpenStorage (OST) API. Data Domain was the first data storage vendor to support Symantec’s API two years ago. EMC NetWorker support for GDA will appear later this year.

GDA can support a replication fan-in of up to 270 remote offices using smaller deduplication storage systems such as the Data Domain DD140 or the DD600 series appliances.

EMC has also boosted the high-end DD880 dedupe appliance at the heart of the new global dedupe array, doubling maximum capacity to 7.1 petabytes of logical backup storage and 180 concurrent backup jobs.

EMC also introduced new data at rest encryption software for its Data Domain appliances and upgraded its Data Domain Replicator software to allow for “one-to-many” directory replication topology, which enables users to send multiple copies of source system data to different DR sites, and low bandwidth optimization for limited WANs and small sites.

EMC’s new deduplication offerings and features will be available later this quarter.

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Paul Shread
Paul Shread
eSecurity Editor Paul Shread has covered nearly every aspect of enterprise technology in his 20+ years in IT journalism, including an award-winning series on software-defined data centers. He wrote a column on small business technology for Time.com, and covered financial markets for 10 years, from the dot-com boom and bust to the 2007-2009 financial crisis. He holds a market analyst certification.
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