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

	Flag	Type	Set	Recommended Host Message	Cause
10	No removal	I		You cannot eject the cartridge	A manual or software
				because the tape drive is in use.	unload was attempted when
				Wait until the operation is complete	Prevent Medium Removal
					was in force.
				before ejecting the cartridge.
11	Cleaning media	I		The tape in the drive is a cleaning	A cleaning cartridge is
				cartridge.	loaded in the drive.
12	Unsupported	I		You have tried to load a cartridge of	Attempted load of an
	format			a type that is not supported by this	unsupported tape format.
				drive.
13	Recoverable	C		The operation has failed because the	The tape has snapped or
	mechanical			tape in the drive has experienced a	suffered some other
	cartridge failure			mechanical failure:	mechanical failure in the
				1. Discard the old tape.	drive, but the tape can still
					be ejected.
				2. Restart the operation with a
				different tape.
14	Unrecoverable	C		The operation has failed because the	The tape has snapped or
	mechanical			tape in the drive has experienced a	suffered some other
	cartridge failure			mechanical failure:	mechanical failure in the
				1. Do not attempt to extract the tape	drive and the tape cannot
					be ejected.
				cartridge.
				2. Call the tape drive supplier’s
				helpline.
15	Memory chip in	W		The memory in the tape cartridge has	The LTO-CM chip has failed
	cartridge failure			failed, which reduces performance.	in cartridge.
				Do not use the cartridge for further
				write operations.
16	Forced eject	C		The operation has failed because the	A manual or forced eject
				tape cartridge was manually	occurred while the drive was
				de-mounted while the tape drive was	writing or reading.
				actively writing or reading.
17	Read-only	C		You have loaded a cartridge of a	A write command has been
	format			type that is read-only in this drive.	attempted to a tape whose
				The cartridge will appear as	format is read-only in this
				write-protected.	drive.
18	Tape directory	W		The tape directory on the cartridge	The drive was powered
	corrupted on			has been corrupted. File search	down with a tape loaded, or
	load			performance will be degraded. The	a permanent error prevented
				tape directory can be rebuilt by	the tape directory being
				reading all the data on the cartridge.	updated.

HP LTO Ultrium 4 drives technical reference manual, volume 2: software integration 81 HP restricted