zfcp.19bff2 <bus ID of the zfcp device>: Incorrect CDB length <value in length field>, LUN 0x<LUN> on port 0x<WWPN> closed

Explanation

The control-data-block (CDB) length field in a SCSI request is not valid or too large for the FCP adapter. The zfcp device driver closed down the SCSI device at the indicated LUN.

User response

Gather Linux debug data and report this problem to your support organization.

Severity

Error