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Tape Drives: Monitoring and Recovery
HP Integrity NonStop NS-Series Operations Guide—529869-005
11- 7
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:
•
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
48
A security violation has
occurred.
An attempted operation was not
allowed.
File-system error
49
Various An unexpired labeled tape was used.
File-system error
51
A runaway tape has been
detected.
The system has tried to read a blank
tape.
File-system error
66
Various A hardware failure has occurred, or
the tape drive has been purposely
brought down.
File-system error
100
A device is not ready. A tape drive has been brought down,
or the drive is not online.
File-system error
195
An operation requires use of
$ZSVR, but it is not running.
Tape operation is not allowed.
$ZSVR has been purposely stopped.
File-system error
218
An interrupt timeout occurs. An
I/O process cannot
communicate with a tape drive.
A ServerNet addressable controller
(SAC) has failed.
No error A tape label record is missing
or incorrect.
An attempt was made to access a
tape with a missing or incorrect label.
No error A tape fails to respond to a
BACKUP command.
A tape with an inappropriate label
type was mounted in error.
No error A tape continues to spin
beyond the load point.
The load point has fallen off.
No error Every time a tape is mounted, it
is unloaded.
A labeled tape is being mounted in a
drive that is open for unlabeled use.