Patent ID: 7464190

Claim:
A method for non-disruptively removing one of multiple addresses assigned to a channel adapter, said method comprising: sending from the channel adapter to a fabric, a login command requesting the fabric to assign an address to a logical partition, the login command includes an identification of the logical partition; receiving from the fabric an assignment response indicating that the logical partition has been assigned an address, the address becomes associated with the identification of the logical partition and both become registered in the fabric; sending from the channel adapter to the fabric, a logout command requesting the fabric to remove the address associated with the identification of the logical partition, the logout command includes the identification of the partition and the address to be removed; and receiving from the fabric, an accept response indicating that the address associated with the identification of the partition has been removed, the accept response is sent only if both the address and the identification of the partition in the logout command match the associated address and the associated partition identification registered in the fabric.