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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
Editor's note: Do you agree with this expert's response? If you have more to share, post it in one of our discussion forums.
The views and opinions expressed by Christopher L. Poelker are his alone and not necessarily shared by Hitachi Data Systems.
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