SCSI Commands
Quantum DLT 8000 Tape System
5-207
RESERVE UNIT (10) Command (56h) (continued)
RelAdr is always 0: The DLT 8000 tape drive does not support relative addressing.
The Reservation Type field defines the type of reservation in effect for the extent being
reserved. Available types of reservations are shown below.
Table 5–92 Reservation Types
Reservation Type
Description
00b
READ shared. No write operations are permitted by any initiator to
the reserved extent. Any initiator may read from the extent.
01b
WRITE exclusive. No other initiator may write to the indicated
extent. Any initiator may read from the extent.
10b
READ exclusive. While this reservation is active, no other initiator
may be permitted to read to the indicated extent.
11b
Exclusive access. While this reservation is active, no other initiator is
permitted any access to the reserved extent.
If both the LongID and the Extent bits = 1, then the parameter list takes the format
shown below.
Bit
Byte
7
6
5
4
3
2
1
0
0 - 7
(MSB)
Third Party Device ID
(LSB)
8 - n
(MSB)
Extent Descriptors
(See Figure 5-93)
(LSB)
Figure 5-94 Parameter List When LongID and Extent Bits = 1 — Data Format
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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