HP NonStop NS Identifying Tape Drive Problems, Monitoring the Status of Labeled-Tape Operations

Tape Drives: Monitoring and Recovery Monitoring the Status of Labeled-Tape Operations

Monitoring the Status of Labeled-Tape Operations

Use the MEDIACOM STATUS TAPEDRIVE and STATUS TAPEMOUNT commands to determine the current status of labeled-tape operations on your system.

For additional information about MEDIACOM, the listings it generates, and the tasks it enables you to perform:

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DSM/Tape Catalog Operator Interface (MEDIACOM) Manual

DSM/Tape Catalog User’s Guide

Guardian User’s Guide

Identifying Tape Drive Problems

Table 11-1 lists some of the most common tape drive problems and their possible causes. Additionally, OSM alarm repair actions, degraded attribute values, and EMS event details can help you determine the appropriate cause of action

Table 11-1. Common Tape Drive Problems

Symptom	Problem	Possible Causes
File-system error	A security violation has	An attempted operation was not
48	occurred.	allowed.
File-system error	Various	An unexpired labeled tape was used.
49
File-system error	A runaway tape has been	The system has tried to read a blank
51	detected.	tape.
File-system error	Various	A hardware failure has occurred, or
66		the tape drive has been purposely
		brought down.
File-system error	A device is not ready.	A tape drive has been brought down,
100		or the drive is not online.
File-system error	An operation requires use of	$ZSVR has been purposely stopped.
195	$ZSVR, but it is not running.
	Tape operation is not allowed.
File-system error	An interrupt timeout occurs. An	A ServerNet addressable controller
218	I/O process cannot	(SAC) has failed.
	communicate with a tape drive.
No error	A tape label record is missing	An attempt was made to access a
	or incorrect.	tape with a missing or incorrect label.
No error	A tape fails to respond to a	A tape with an inappropriate label
	BACKUP command.	type was mounted in error.
No error	A tape continues to spin	The load point has fallen off.
	beyond the load point.
No error	Every time a tape is mounted, it	A labeled tape is being mounted in a
	is unloaded.	drive that is open for unlabeled use.

HP Integrity NonStop NS-Series Operations Guide—529869-005

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