Contents
Page
iii
Contents
Important Information About This Manual ........................................................................................................................... ii
Contents................................................................................................................................................................................ iii
1
Introduction ................................................................................................................................................................... 1
1.1
About This Manual ................................................................................................................................................ 1
1.2
Differences in Various Model Behavior ................................................................................................................ 1
2
Interface Overview ........................................................................................................................................................ 3
2.1
General................................................................................................................................................................... 3
2.1.1
Interface and Command Standards ................................................................................................................ 3
2.1.2
Cabling and Connectors................................................................................................................................. 3
2.1.3
General features ............................................................................................................................................. 3
2.2
Serial Attached SCSI Interface (SAS) ................................................................................................................... 3
2.2.1
SAS General features..................................................................................................................................... 3
2.2.2
SAS protocol.................................................................................................................................................. 4
2.2.3
SAS transmission error detection/recovery.................................................................................................... 4
2.3
SCSI Parallel Interface (SPI) ................................................................................................................................. 4
2.3.1
SPI General features ...................................................................................................................................... 4
2.3.2
Disconnect/Reconnect Function .................................................................................................................... 4
2.3.3
SCSI Messages .............................................................................................................................................. 5
2.3.4
Inbound messages .......................................................................................................................................... 5
2.3.5
Outbound messages ....................................................................................................................................... 6
2.3.6
Extended messages ........................................................................................................................................ 7
2.3.7
Parallel Protocol Feature Support .................................................................................................................. 7
2.3.8
Parity errors ................................................................................................................................................... 7
2.3.9
Message exception handling .......................................................................................................................... 9
2.4
Fibre Channel Interface Overview....................................................................................................................... 12
2.4.1
FCP General features ................................................................................................................................... 12
2.4.2
Link Services ............................................................................................................................................... 12
2.4.3
Name Server Requests ................................................................................................................................. 13
2.4.4
Task Management Requests ........................................................................................................................ 13
2.4.5
FCP Information Units................................................................................................................................. 13
2.5
Standards Conformance....................................................................................................................................... 14
2.5.1
INCITS Technical Committee T10 (SCSI Storage Interfaces) Standards ................................................... 14
2.5.2
INCITS Technical Committee T11 (Device Level Interfaces) Standards.................................................... 15
2.6
LTO Conformance............................................................................................................................................... 15
2.7
General Behaviors ............................................................................................................................................... 16
2.7.1
Reset Condition ........................................................................................................................................... 16
2.7.2
Unit Attention Condition ............................................................................................................................. 16
2.7.3
Contingent Allegiance Condition (SCSI Parallel Interface only) ................................................................ 16
2.7.4
Buffered Mode............................................................................................................................................. 17
2.7.5
Immediate Commands ................................................................................................................................. 17
2.7.6
Residual Length Function ............................................................................................................................ 17
2.7.7
Early Warning Function............................................................................................................................... 17
2.7.8
Error Reporting ............................................................................................................................................ 18
2.7.9
Variable and Fixed Mode Recording ........................................................................................................... 18
2.7.10
Library Features........................................................................................................................................... 19
3
SCSI Commands.......................................................................................................................................................... 22
3.1
SCSI Command Set ............................................................................................................................................. 22
Содержание LTO 4
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