SCSI Commands
5-156
Quantum DLT 8000 Tape System
PERSISTENT RESERVATION OUT Command (5Fh) (continued)
Table 5-68 Persistent Reservation Type Codes and Their Meanings (continued)
Code
Name
Description
6h
Exclusive Access,
Registrants Only
READS: Exclusive; any command from an initiator that has not previously
performed a Register service action with the device server that
attempts a transfer from the target results in a reservation conflict.
WRITES: Exclusive; any command from an initiator that has not previously
performed a Register service action with the device server that
attempts a transfer to the target results in a reservation conflict
ADDITIONAL RESERVATIONS:
Allowed; any initiator may reserve the logical
unit, extents, or elements as long as the
persistent reservations to not conflict with any
reservations already known to the device
server.
7h - Fh
Reserved
N/A
The PERSISTENT RESERVATION OUT command requires a parameter list,
illustrated in the following figure and defined in the following table. Each of the
fields of the parameter list are sent for every PERSISTENT RESERVATION OUT
command, even if the field is not required for the specific Service action and/or Scope
values.
Bit
Byte
7
6
5
4
3
2
1
0
0 – 7
(MSB)
Reservation Key
(LSB)
8 – 15
(MSB)
Service Action Reservation Key
(LSB)
16 – 19
(MSB)
Scope-Specific Address
(LSB)
20
Reserved
APTPL
21
Reserved
22 – 23
(MSB)
Extent Length
(LSB)
Figure 5–69 PERSISTENT RESERVATION OUT Parameter List — 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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