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SCSI Commands
Quantum DLT 4000 Tape Drive
5-51
LOG SENSE Command (4Dh) (continued)
Bit
Byte
7
6
5
4
3
2
1
0
0 -1
(MSB)
Parameter Code
(LSB)
2
DU
DS
TSD
ETC
TMC
Rsvd
LP
3
02h
4 - n
(MSB)
Compression Ratio x 100
(LSB)
Figure 5–22 Log Parameters Format for Read / Write Compression Ratio LOG SENSE
Page (Parameter Codes 00h and 01h)
Table 5–25 Log Parameters for Read / Write Compression Ratio LOG SENSE Page Field
Descriptions (Parameter Codes 00h and 01h)
Field Name
Description
Parameter Code
Parameter Codes supported for the READ / WRITE COMPRESSION RATIO page
are as follows (for codes 00h and 01h only; codes 02h through 09h are
detailed separately):
Parameter Code
-
Description
00h - READ Compression Ratio x 100
01h - WRITE Compression Ration x 100
DU
Disable Update. Always 0.
DS
Disable Save. Not supported. This bit always set to 1.
TSD
Target Save Disable. Not supported. This bit always set to 1.
ETC
Enable Threshold Comparison. Threshold checking is not supported on this
page. Always set to 0.
TMC
Threshold Met Criteria. Always 0.
LP
List Parameter. Always set to 0 (parameter codes treated as data counter).
Summary of Contents for DLTtape DLT 4000
Page 1: ...DLT 4000 Tape Drive Product Manual November 10 2003 81 60043 04 ...
Page 5: ...USER MANUAL STATEMENTS FOR CLASS B EQUIPMENT continued ...
Page 6: ......
Page 24: ...About This Manual Quantum DLT 4000 Tape Drive xxiv ...
Page 62: ...Hardware Implementation 2 28 Quantum DLT 4000 Tape Drive ...
Page 100: ...Messages 4 12 Quantum DLT 4000 Tape Drive ...
Page 264: ...SCSI Commands 5 164 Quantum DLT 4000 Tape Drive ...
Page 274: ...Appendix B EEPROM Resident Bugcheck and Event Logs B 6 Quantum DLT 4000 Tape System ...
Page 280: ...Appendix C Updating the Firmware C 6 Quantum DLT 4000 Tape Drive ...
Page 298: ...Index Index 6 Quantum DLT4000 Tape Drive ...
Page 299: ......