Patent ID: 8769162
Filing Date: 2014-07-01
Classification: G06F,H04L

Abstract:
1. A method for a multiple port host to communicate with multiple tape drives, the method comprising: requesting information associated with a particular tape drive; providing information indicative of availability status of a plurality of host ports; determining if there is an instant traffic load on a first host port of the plurality of host ports; obtaining a cumulative traffic load data for the first host port; calculating a historical traffic load from cumulative traffic load and cumulative traffic load snapshot for the first host port; calculating a combined traffic load for the first host port from the instant traffic load and the historical traffic load; determining if there is an instant traffic load on a second host port of the plurality of host ports; obtaining a cumulative traffic load data for the second host port; calculating a historical traffic load data from the instant traffic load and historical traffic load for the second host port; calculating a combined traffic load for the second host port; and identifying one of the first and second host ports with a lowest combined traffic load.