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Performance of NDMP backups

glen_eustace
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We have finally managed to get our NDMP backups through EMC Network to an LTO-3 Ultirum jukebox doing something 🙂

I would really apppreciate some idea of what we can expect in terms of throughput or performance.  We have no experience with this environment and are simply trying to set expectations based on other peoples experience.

With a single group running against an IBM N-Series 6040, backing up a signle volume, we are seeing the tape drive writting at a rate of ~ 7MB/s, this seems a triffle slow and at this rate a 1TB volume is going to take a very long time to backup to tape.

Any comments appreciated.

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