Patent ID: 8375111
Filing Date: 2013-02-12
Classification: G06F,H04L

Abstract:
1. A method for migrating a world wide name from a first host bus adaptor to a second host bus adaptor comprising: said first host bus adaptor receiving I/O operations from a host computer by a SCSI command and transferring the command to a storage controller coupled to a storage device, said first host bus adaptor associated with said world wide name and a MAC address; relocating said world wide name from said first host bus adaptor to said second host bus adaptor; determining, by a processor, whether or not said MAC address associated with said first host bus adaptor can be relocated to said second host bus adaptor; relocating said MAC address from said first host bus adaptor to said second host bus adaptor if said determining is positive; giving up on said MAC address relocation if said determining is negative; and wherein said second host bus adaptor receives I/O operations from a host computer by a SCSI command and transfers the command to a storage controller coupled to a storage device, after said second host bus adaptor is associated with said world wide name and said MAC address, if said MAC address is relocated to said second host bus adaptor.