HP LTO 4 FC, LTO 4 SCSI, LTO 4 SAS manual Maintenance and troubleshooting, Dealing with errors

	FC Drives		SCSI Drives	SAS Drives
Implementation			3 Host Interface: ch. 1
Interpreting sense data		2 SW Integration: ch. 3
Messages			3 Host Interface: ch. 2
Mode pages			3 Host Interface: ch. 5
—see the MODE SENSE command
Pre-execution checks			3 Host Interface: ch. 4
Responding to sense keys and ASC/Q		2 SW Integration: ch. 6
Sense keys and ASC/Q			3 Host Interface: ch. 5
—see REQUEST SENSE command
Task management functions	n/a		3 Host Interface: ch. 3

Maintenance and troubleshooting

	FC Drives	SCSI Drives	SAS Drives
Cleaning		2 SW Integration: ch. 5
		2 SW Integration: ch. 7
External drives	n/a	1 HW Integration: ch. 5
In libraries		1 HW Integration: ch. 1
In servers	n/a	1 HW Integration: ch. 4
In tape arrays)	n/a	1 HW Integration: ch. 3	n/a
Monitoring drive and tape condition		2 SW Integration: ch. 7
Software troubleshooting techniques		2 SW Integration: ch. 1

Dealing with errors

	FC Drives	SCSI Drives	SAS Drives
Error codes	1 HW Integration: ch. 6	1 HW Integration: ch. 10
Handling errors	2 SW Integration: ch. 5
Logs—see the LOG SENSE command		3 Host Interface: ch. 4
Recovering from write and read errors	2 SW Integration: ch. 7
Software response to error correction	2 SW Integration: ch. 3
Software response to logs	2 SW Integration: ch. 3
TapeAlert log	2 SW Integration: ch. 7

HP LTO Ultrium 4 drives technical reference manual, volume 2: software integration	9
HP restricted