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03-08-2015 01:38 PM
I have recently had to upgrade an old, but stable SAN40B fabric from v6.4 to V7.2 to get a compatible ISL with a new SAN24B (IBM badge) FC switch running V7.2.1. I am using the CLI to upgrade. The upgrades went well up to v7.1. On loading V7.2.1.c, 2 of the previously working ports with NPIV connections went offline with the error " Mapping error: ports already FC". One of the ports came back online, but not with ALL of the NPIV connections. The 2nd port is online and shows a healthy phsical connection, but no NPIV connections. Has anyone else seen this behaviour? IBM support is clueless at this stage.