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Chapter 6: AIX 5L: Approaches to high av... > MPIO in the client with SAN in the V... - Pg. 305

Finally, 6.12, "Concurrent software updates for the VIOS" on page 328 describes a maintenance of the VIO server code without impacting the application partitions. 6.10 MPIO in the client with SAN in the VIOS This section describes the setup of an advanced scenario with two Virtual I/O Servers attached to a DS4200. Both Virtual I/O Servers serve the same DS4200 LUN to the client partition. On the client partition, the use of MPIO with the default PCM provides redundant access to the served LUN. Figure 6-54 shows this scenario.