zfcp.4fed50 `<bus ID of the zfcp device>`: Exclusive read-only access not supported (LUN 0x`<LUN>`, port 0x`<WWPN>`)

Explanation
The access configuration specified in the access control tables of the FCP
adapter is not valid. The SCSI device at the indicated LUN cannot be
accessed.
User response
Change the access control tables in the FCP adapter.
Severity
Error