VNXe array negotiates FC port as L-Port

VNXe array negotiates

VNXe array negotiates FC port as L-Port

Hit an issue today where VNXe array FC ports negotiate to L-port instead of F-port when Fill Word is set to Mode 3 (ARB/ARB then IDLE/ARB). Result – loss of connectivity on the affected link.

vnx L-port

Recommended FC Fill Word for VNX/VNXe arrays is Mode 3. Generally it’s a good idea to set them according to best practice as part of each installation. Apparently, when changing Fill Word from legacy Mode 0 (IDLE/IDLE) to Mode 3 (ARB/ARB then IDLE/ARB) array might negotiate as L-port and FC path goes down.

Solution is to statically configure port as F-port in port settings.

vnx L-Port Solution

A Simple post about problem….

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Ankam Ravi Kumar

Working as Linux / Storage Administrator L3. Interested in sharing the knowledge.

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