Patent ID: 7934026

Claim:
A method to preserve a logical communication path in a data processing system, wherein the data processing system comprises a host computer, a storage controller comprising a first logical control unit (“LCU”), and a logical communication path in communication with the host computer and the first LCU, the method comprising: deleting the first LCU; setting a first status for the first LCU; configuring a second LCU comprising all or a portion of the first LCU, wherein the second LCU differs from the first LCU; establishing a second status for the second LCU; wherein: said logical communication path is maintained during said deleting, said setting, said configuring, and said establishing; said logical communication path is in communication with said second LCU said data processing system further comprises a hardware management console in communication with said storage controller; and said method further comprising receiving a command to delete said first LCU from said hardware management console.