NonStop S-Series Operations Guide (G06.29+)

Tape Drives: Monitoring and Recovery
HP NonStop S-Series Operations Guide—522459-009
10-9
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 10-1 lists some of the most common tape drive problems and their possible
causes.
Table 10-1. 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.