Reference Guide

Chapter 4 SCSI Commands
LOG SENSE Command (4Dh)
DLT-S4 Interface Reference Guide 85
Table 53 TapeAlert Page LOG
SENSE Parameters — Field
Descriptions
Table 54 TapeAlert Flags,
Severity Levels, and Meanings
— Field Descriptions
Field Description
Parameter Code Contains the Flag code (see table 54
for the supported flags, level of severity, and the
flag definitions).
Parameter
Length
Always set to 1.
Value of
TapeAlert Flag
If bit 0 is set to 1, indicates that TapeAlert has sensed a problem (see table 54
for the
supported flags and their definitions). If bit 0 is set to 0, indicates that TapeAlert did
not sense a problem and therefore did not set the flag.
Flag
Security
Level Description
1 Read Warning W The tape drive is having problems reading data. No data has been
lost, but there has been a reduction in the performance of the tape.
2 Write Warning W The tape drive is having problems writing data. No data has been
lost, but there has been a reduction in the capacity of the tape.
3 Hard Error W The operation has stopped because an error has occurred while
reading or writing data which the drive cannot correct.
4 Media C Your data is at risk:
1. Copy any data you require from this tape.
2. Do not use this tape again.
3. Restart the operation with a different tape.
5 Read Failure C The tape is damaged or the drive is faulty. Call the tape drive
supplier helpline.
6 Write Failure C The tape is from a faulty batch or the tape drive is faulty:
1. Use a good tape to test the drive.
2. If the problem persists, call the tape drive supplier helpline.