User's Guide

Chapter 3 Emulated DLT7000 SCSI Commands
Log Sense (4Dh)
166 Quantum DX-Series Software Interface Guide
Read / Write
Compression
Page (32h)
3
This page begins with a 4-byte header followed by the log parameter
blocks of 6 or 8 bytes, depending on the Parameter Code selected.
Table 118 Read /
Write Compression
Ratio LOG SENSE
Header Format
Bit/Byte 7 6 5 4 3 2 1 0
0
1
2-3
31 Hardware B Critical The tape drive may have a hardware fault. Contact a
service representative.
32 Interface Warning The tape drive may have a hardware fault. Contact a
service representative.
34 Download
Fail
Warning The attempted firmware download has failed.
40 Loader
Hardware A
Critical The mechanism that loads media to the tape drive is
experiencing problems communicating with the tape
drive.
* Severity levels are Informational, Warning, and Critical. Informational flags provide a status-
type message, Warning flags indicate that there is the possibility of loss of data, and Critical
flags indicate the possibility of loss of data and that user intervention is urgently required.
Tech Tip: Read/write compression page updates only the
bytes read/write from and to the host in the DX-
Series system.
Reserved Page Code (32h)
Reserved
(MSB)
Additional Length
(LSB)
Flag Severity Level* Meaning