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Message Posted: Thu, 01 Dec 2005 @ 23:43:14 GMT

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Subj:   Re: ARC on Network System
From:   Wardius, Mark

Yes, Netbackup is a good choice for Network backups. Backing up to SAN is the preferred yet the most expensive. A company I worked for utilized NetBackup and have had really good success. In a nutshell, you'll need a media server for every 5-8 nodes (this is where the NetBackup S/W runs and there is no plugin on Teradata nodes) The media servers communicate over the network to a tape silo (each media server in this configuration control two tape drives). The network between the Teradata nodes and the media servers communicate through an exclusive network (this one utilizes gigabit bandwidth). You'll need a master server (windows 200x) that controls the other media servers running NetBackup. Backing up to tape drives you'll appreciate 150 GB to 225 GB per hour; however if you spend the money and backup to SAN your rate could reach as high as 400 GB per hour. These rates are per each tape drive. So if you have Six media servers and twelve tape drives you'll realize a rate of roughly 2.4 Terabytes per hour (Double that again for a SAN solution).

Mark Wardius

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