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Vol. 2 No. 8 October 2003

Ensuring Good Data, Far Away

Replicating your critical data far away is widely held as a good thing. Now, at least two companies are also promoting the idea of time-stamping the replicated data. That way, in the event of disaster, not only can you run your business off a replicated server, but you can roll back to a stable file system image. Proponents include XOsoft, which pares its Data Rewinder with its WANSync software, and Kashya, which combines wide-area replication capabilities with "small aperture snapshots," taken at very frequent intervals. PowerDsine, an Israeli engineering firm, for one, uses XOsoft's WANSync and Data Rewinder software packages to replicate Exchange and Oracle servers from Israel to Long Island. The company also evaluated replication software from Veritas and NSI, but Data Rewinder tipped the scales in XOsofts' favor. "In a normal system, corrupted files, they're replicated as well," explains Asaf Silberstein, PowerDsine vice president of operations. Kashya followed in XOsoft's footsteps last month when the KBX4000. Based on an ...

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Features in this issue

  • Spend less on storage

    by  Marc Farley

    Serial ATA disks can save you big bucks, but there's a bigger story here. By using RAID and a SAN, you can overcome many of its inherent reliability and performance limitations. It's time to rethink many of your assumptions about storage costs.

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