zfcp.4a463f <bus ID of the zfcp device>: ERP failed for remote port 0x<WWPN>
Explanation
An error occurred on a remote port. The error recovery procedure (ERP)
could not resolve the error. The port is not available.
User response
Verify that the WWPN is correct and check the fibre channel fabric for
errors related to the WWPN.