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Not at all -- all the traditional methods for backing up data are still available for SAN connected servers. Using the SAN as the data path rather than traditional LAN-based backup is what makes SAN-based backup a better solution.
You will find the Fibre Channel protocol provides a faster, lower overhead/latency data path -- up to 200MB per second -- data path for backup streams. This is due to the fact that Fibre Channel transmits data in larger SCSI blocks rather than needing to be formatted into IP packets.
Chris
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The views and opinions expressed by Christopher L. Poelker are his alone and not necessarily shared by Hitachi Data Systems.
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