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SCSI Commands
Quantum DLT 8000 Tape System
5-71
5.9
MODE SELECT Command (6) / (10) (15h / 55h)
The MODE SELECT command (available in either 6- or 10-byte format) enables the host
to configure the tape drive. Implementing MODE SELECT and MODE SENSE requires
“handshaking” between the host and the drive. Before configuring the drive, the host
should issue a MODE SENSE command to the drive to obtain a report of the current
configuration and determine what parameters are configurable. The host interprets this
information and then may issue MODE SELECT to set the drive to the host’s preferred
configuration. The Mode Parameter List described in Section 5.8 is passed from the
initiator to the drive during the command’s DATA OUT phase.
Information for the drive is carried on a number of pages, each of which serves to set the
tape drive’s operating parameters. The MODE SELECT pages supported, and the
sections of this manual that details each page, are:
Page Code
Description
Described in Section…..
01h
READ/WRITE Error Recovery Page 5.9.2
02h
Disconnect / Reconnect Page
5.9.3
0Ah
Control Mode Page
5.9.4
0Fh
Data Compression Page
5.9.5
10h
Device Configuration Page
5.9.6
11h
Medium Partition Page
5.9.7
1Ch
TapeAlert Page
5.9.8
3Eh
EEPROM Vendor Unique Page
5.9.9
Except for mode page 3Eh, the tape drive always powers up with its default
configurations set. This is also true if the drive receives a BUS DEVICE RESET message
or a hard reset via the RST line on the SCSI bus.
The Command Descriptor Block is illustrated in Figure 5-34.
NOTE
For a list of changeable parameters within MODE SELECT, refer to Sections 5.9.9
(EEPROM Vendor Unique Page 3Eh) and 5.9.10.
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: ......