CNA FCoE Universal Emulex HBA link down - ERROR: 530: Mailbox timeout. (HEARTBEAT: Nowait.) on both ports
Last updated on MARCH 07, 2018
Applies to:SPARC T5-2 - Version All Versions and later
Solaris x64/x86 Operating System - Version 10 3/05 and later
Information in this document applies to any platform.
There was a CISCO NEXUS switch reboot, this triggered the problem.
Due to that, the CNA/FCoE port connected to the switch had a link down,
and with no other reason some seconds later, the CNA card reported an error, making both ports of the CNA card down.
This is a T5-2 Solaris 11.3 SRU 4.5.0 server with two CNA (10GB ethernet) accessing to an EMC array:
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