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SCSI Commands
5-34
Quantum DLT 8000 Tape System
LOAD UNLOAD Command (1Bh) (continued)
Table 5–14 LOAD UNLOAD Command Descriptor Block — Field Descriptions
Field Name
Description
Immed
Immediate. If this bit is set to 1, status is returned as soon as the
operation is started. If set to 0, status is returned after the operation
has completed.
Re-Ten
Re-tension. Re-tension operations are not needed on the tape drive.
This bit is ignored (i.e., “good” status, if bit is set to 1).
Load
Load. When a cartridge is inserted, the tape medium is automatically
loaded and positioned by the drive at Beginning of Medium (BOM).
Logically, the drive is positioned at the beginning of Partition 0.
If the Load bit is set to 1, and the medium is already loaded, no action
is taken. A “good” status is returned. If the medium was unloaded
but the cartridge was not removed, a Load command causes the tape
to be loaded to Beginning of Partition (BOP) again and made ready.
If the Load bit is set to 0, and the medium is loaded, the drive writes
any buffered data and filemarks to the tape and then rewinds the
tape to BOM and unloads the medium back into the cartridge. The
green Operate Handle indicator on the tape drive’s faceplate
illuminates and the cartridge can be removed from the tape drive. If
the medium is already unloaded, no action is taken. A “good” status
is returned.
EOT
End of Tape. This bit is ignored by the tape drive unless both the EOT
and Load bits are set to 1, then the drive returns CHECK CONDITION,
ILLEGAL REQUEST data.
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...
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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...
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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...
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