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The path from disk to tape in a LAN-free backup

This is a Q&A from SAN School Lesson 8.
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In LAN-free backup, could you explain the data path from disk to tape?

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During LAN-free backup, the data path to tape is through each server backing up its own data to tape over the SAN. Data is read from the server's LUNs into server memory over one SAN host bus adapter (HBA) connection then, sent out to the tape library through – hopefully -- another dedicated HBA for tape backup through the SAN.


The views and opinions expressed by Christopher L. Poelker are his alone and not necessarily shared by Hitachi Data Systems.

This was first published in May 2004

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