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SCSI Commands
Quantum DLT 8000 Tape System
5-143
PERSISTENT RESERVATION IN Command (5Eh) (continued)
Table 5–64 Persistent Reservation Type Codes and Their Meanings (continued)
Code
Name
Description
5h
WRITE Exclusive,
Registrants Only
READS: Shared; any application client on any initiator may execute commands
that perform transfers from the target to the initiator.
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.
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
Table 5–65 represents graphically all possible combinations of Persistent Reservations
Being Attempted when Persistent Reservations are already held for each of the types of
persistent reservations.
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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