Port identifier management for path failover in cluster environments

• Main Authors: TAWRI DEEPAK K, KRISHNAMURTHY RAGHU, SINGH ABHAY K
• Format: Patent
• Language: English
• Published: 15.04.2014
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; MULTIPLEX COMMUNICATION; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

A method includes assigning a port identifier to a first port on a node and communicating data on a first path between the first port and a logical unit on an active/passive storage array. The port identifier is registered in a persistent reservation scheme for the logical unit. The method also incl...