HP LTO 4 SCSI, LTO 4 FC, LTO 4 SAS manual Code, Action

Code	Meaning	Comments
30 0C	WORM—overwrite attempted	A write operation could not be executed because an
		overwrite has been attempted on a WORM cartridge. This
		may be because an overwrite backup was specified
		instead of an appended backup.
	Action:	1.	Terminate the I/O and return the appropriate error.
		2.	Send a message to the console indicating that an
			attempt has been made to overwrite on a WORM
			cartridge.
		3.	Prompt the user to either use a new cartridge or change
			the operation to an appended backup.
		4.	Log the incident in the system log.
30 0D	WORM—integrity check	An attempt has been made to write to a WORM cartridge
	failed	when the drive has detected inconsistencies while checking
		its integrity.
	Action:	1.	Terminate the I/O and return the appropriate error.
		2.	Send a message to the console indicating that the drive
			has detected an inconsistency with the WORM
			cartridge that indicates that it may have been tampered
			with.
		3.	Advise the user that the tape may have been tampered
			with and they should use a different cartridge.
		4.	Log the incident in the system log for audit purposes.
74 00	Security error	Generic security (encryption/decryption) error. For
		example, the Decryption mode is set to RAW and the drive
		has been asked to read, but the hardware does not allow
		this Decryption mode on the current block.
74 01	Unable to decrypt data	The drive encountered encrypted data while reading, but
		decryption mode is not enabled.
	Action:	Send a SECURITY PROTOCOL OUT command with
		Decryption Mode set to Decrypt or Mixed, and the Key
		field specifying the correct decryption key.
74 02	Unencrypted data	The decryption mode is enabled but the drive encountered
	encountered while decrypting	non-encrypted data while reading.
	Action:	Send a SECURITY PROTOCOL OUT command with
		Decryption Mode set to Disable; alternatively with
		Decryption Mode set to Mixed and the Key field specifying
		the correct decryption key.

HP LTO Ultrium 4 drives technical reference manual, volume 2: software integration 73 HP restricted