FC port state Unknown
Issue
One of the two FC adapters used is in Unknown state and the discs visible are reached by a single path, how can I re-activate the second path without rebooting the server.
cat /sys/class/fc_host/host*/port_state
Unknown
linkdown
linkdown
online
Environment
Red Hat Enterprise Linux 6.x
Hardware: BL 460C G8 inserted into a HP C7000
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