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Vol. 1 No. 8 October 2002

Easing the Pain of NAS Backup Headaches

Installing NAS device after NAS device may be as easy as pie, but backing them all up can be a royal pain. Backing up multiple NAS devices can be simplified by a back-end SAN, a road that's reportedly taken by about 25% of Network Appliance filer customers. Alternately, you can back up to an Ethernet-connected tape library using NDMP, Quantum's P-Series GbE library being an example. But these are expensive options, says Srini Sankaran - CEO of DinoStor, who's recently announced TapeServer targets IT shops with multiple NAS devices that want to save money backing them up. In essence a standalone NDMP server, TapeServer enables high-performance Ethernet-based backup of multiple NAS devices to existing SCSI tape resources, Sankaran says. In contrast, "NDMP conduit" - the practice of dedicating a NAS device to managing NDMP for the remaining NAS devices - results in poor file serving performance. "You pay a lot of money for file services, but with NDMP conduit, you're not using [the NAS server] as much more than a backup server." In...

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