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Vol. 3 No. 9 November 2004

Synthetic Full Backup Catching On

Besides movie-star looks and a winning lotto ticket, what do storage managers want? W. Curtis Preston, VP of service development at GlassHouse Technologies, thinks better backup is next on the list: "Everybody wants to stop doing fulls for no reason," he says. "It's silly that we're going back out to the clients to get data we already have." That's the motivation for synthetic full backup, which, with the introduction of Veritas' NetBackup 5.0 last year, is now a core feature of all the major enterprise backup packages in some form or another. Those include CommVault's Galaxy, EMC's Legato NetWorker with Saveset Consolidation and IBM's Tivoli Storage Manager (TSM) with the notion of Backup Sets. And now Sepaton, a startup that sells the S2100 virtual tape library (VTL) appliance, has announced a new approach to synthetic fulls that borrows from the idea of a point-in-time snapshot. Thanks to its "content-aware architecture," which understands the Veritas NetBackup data format, Sepaton can scan an incremental backup stored on the...

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