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SCSI Commands
Quantum DLT 8000 Tape System
5-159
5.13 PREVENT / ALLOW MEDIUM REMOVAL Command (1Eh)
This command enables or disables the unloading of the tape cartridge.
Bit
Byte
7
6
5
4
3
2
1
0
0
Operation Code (1Eh)
1
Logical Unit Number
Reserved
2 - 3
Reserved
4
Reserved
Prevent
5
Unused
Reserved
Flag
Link
Figure 5–70 PREVENT / ALLOW MEDIUM REMOVAL Command Descriptor Block — Data
Format
Table 5–71 PREVENT / ALLOW MEDIUM REMOVAL Command Descriptor Block —
Field Descriptions
Field Name
Description
Prevent
When set to 1, the UNLOAD button on the drive’s front panel is effectively
disabled, and the UNLOAD command does not unload the tape medium
or the cartridge. The PREVENT / ALLOW status in the device is maintained
separately by each initiator.
When set to 0, the prevent state corresponding to that initiator is cleared.
When all initiators have cleared their prevent states, the UNLOAD button
and UNLOAD commands are enabled. By default, after power up , a hard
reset, or Bus Device Reset message, the prevent medium removal
function is cleared.
If a Media Loader device is present, its MOVE MEDIUM command is
prevented from removing a cartridge if PREVENT has been enabled.
Summary of Contents for DLTtape DLT 8000
Page 1: ...DLTTM 8000 Tape System Product Manual Nov 10 2003 81 60118 06...
Page 5: ...USER MANUAL STATEMENTS FOR CLASS B EQUIPMENT continued...
Page 6: ......
Page 26: ...Table of Contents xxiv Quantum DLT 8000 Tape System...
Page 36: ...About This Manual Quantum DLT 8000 Tape System xxxii...
Page 54: ...General Description and Specifications 1 18 Quantum DLT 8000 Tape System...
Page 102: ......
Page 372: ......
Page 376: ...Appendix A Definition of Vendor Unique Sense Data Information A 4 Quantum DLT 8000 Tape System...
Page 386: ...Appendix C Updating the Firmware C 6 Quantum DLT 8000 Tape System...
Page 396: ...Appendix E Visual Inspection Procedure for DLTtape Cartridges E 8 Quantum DLT 8000 Tape System...
Page 406: ...Appendix G DLT 7000 Emulation Feature G 8 Quantum DLT 8000 Tape System...
Page 407: ......