Access "Remote Replication Gets Out of the Array"
This article is part of the Vol. 3 No. 9 November 2004 issue of Disaster recovery planning options on a shoestring budget
If you're a Symmetrix user and have stringent remote replication requirements, Symmetrix Remote Data Facility (SRDF) is pretty much the only game in town. But SRDF has its limitations: It's extremely expensive and only works within Symmetrix environments. Last month, EMC chipped away at those complaints with the introduction of EMC Open Replicator for Symmetrix, which copies data between a Symm and IBM Shark, HDS Lightning and HP EVA. In addition, EMC added SRDF/Star, a three-site replication suite that allows a Symm to replicate synchronously and asynchronously at the same time to two separate sites. Today, the replication market stands at about $1 billion, and is split about 70/30 between array-based replication such as SRDF and IBM's PPRC, and host-based replication such as Veritas Volume Replicator, says Arun Taneja, founder of Taneja Group. SRDF has "the lion's share" of the array-based replication market, he says. For EMC, "it's the goose that laid the golden egg." But over the next couple of years, the majority of replication functionality will be ... Access >>>
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