HP LeftHand SAN Solutions Support Document - Application Notes - QLogic HBAs and the LeftHand SAN 20071223

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Note changing the Port Options, Firmware, Edit under the Port for the HBA.
Connection Keep Alive Timeout is set to 600 and ARP Redirect may also be
configured here. Note that Save Port Settings must be selected to push the
configuration down to the QLogic iSCSI HBA. Note that all volumes will be
briefly disconnected during a Save Settings options and should optimally be
performed during a maintenance or configuration window for the server.