NonStop Operations Guide for H-Series and J-Series RVUs

A listing such as this one is sent to your home terminal:
MEDIACOM - T6028D42 (18DEC98)
Drive Tape Tape Label Open
Tape Drive Status Name Status Type Mode Process Name
----------- ----- ----- ------ ------- ------ -----------------
$TAPE0 FREE
1 tape drive returned.
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 30 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 30 Common Tape Drive Problems
Possible CausesProblemSymptom
An attempted operation was not
allowed.
A security violation has occurred.File-system error 48
An unexpired labeled tape was used.VariousFile-system error 49
The system has tried to read a blank
tape.
A runaway tape has been detected.File-system error 51
A hardware failure has occurred, or the
tape drive has been purposely brought
down.
VariousFile-system error 66
A tape drive has been brought down,
or the drive is not online.
A device is not ready.File-system error 100
$ZSVR has been purposely stopped.An operation requires use of $ZSVR,
but it is not running. Tape operation
is not allowed.
File-system error 195
A ServerNet addressable controller
(SAC) has failed.
An interrupt timeout occurs. An I/O
process cannot communicate with a
tape drive.
File-system error 218
An attempt was made to access a tape
with a missing or incorrect label.
A tape label record is missing or
incorrect.
No error
A tape with an inappropriate label type
was mounted in error.
A tape fails to respond to a BACKUP
command.
No error
The load point has fallen off.A tape continues to spin beyond the
load point.
No error
A labeled tape is being mounted in a
drive that is open for unlabeled use.
Every time a tape is mounted, it is
unloaded.
No error
Identifying Tape Drive Problems 159