The power of three HBAs

Why you should consider using a third HBA to back up your array.

When using a SAN to back up your array, it is prudent to have a dedicated third HBA. Many vendors use two HBAs, one of which is for failover. The third HBA will allow the storage HBAs to perform their tasks while providing unprecedented bandwidth to the backup application via Fibre bridge and tape library.
This was first published in October 2002

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