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Maintaining an efficient disaster recovery site is crucial for any firm looking to protect its critical data, but it is even more so for a company such as TradeCard Inc.

TradeCard provides an online hosted supply chain automation service that connects its customers' financial and supply chain systems with their partners and financial institutions. The New York-based company has customers that include Rite Aid and JCPenney, and they're spread around the world. Its value comes from giving its customers the ability to complete transactions around the clock. On the downside, any potential downtime interrupts the customers' ability to buy and sell.

"We provide uninterrupted access to data to keep the supply chain operational," says Anthony Ercolino, TradeCard's VP of data center operations. "If we have a problem, we obviously want to bring data up from our remote site as fast as possible. You don't want to sit there and hope that the system comes up and running. You want to get it up as soon as possible."

TradeCard implemented Kashya appliances for remote replication last year, moving data between EMC Clariion SANs in its data center and its DR site. (See Replication's All the Rage and Kashya Delivers Remote Replication.)

TradeCard actually had a functional disaster recovery site for three years before implementing Kashya. It used log shipping -- a process of backing up transaction logs throughout the day and restoring them on another server to keep the two servers in synch. This method allowed TradeCard to recover a database from a previously consistent state, but Ercolino says it was not an ideal solution.

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