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Chapter 3 Media Changer Commands
Mode Sense (6) / (10) Command (1Ah/ 5Ah)
76
Quantum ATL SuperLoader Software Interface Guide
MODE SENSE may be either MODE SENSE (6) or MODE SENSE
(10). MODE SENSE (6) data contains a 4-byte header followed by
one 8-byte block descriptor, followed by zero or more variable
length pages, depending on the Page Code and Allocation Length.
Mode Sense Data
Headers
3
The MODE SENSE (6) and MODE SENSE (10) headers are
illustrated in the following figures.
10
Report Default Values
11
Report Saved Values
Note that the media changer device does not support saved values.
Page Code
This field allows the host to select any specific page or all of the pages
supported by the media changer.
Page Code
Description
1Ch
1Dh
Element Address Assignment Page
1Eh
Transport Geometry Parameters Page
1Fh
3Fh
Return all pages
Allocation
Length
This field specifies the number of bytes that the host has allocated for
returned MODE SENSE data. An allocation length of zero indicates that the
media changer will return no MODE SENSE data. This is not considered an
error, and GOOD status is returned.
Field Name
Description
Summary of Contents for SuperLoader DLT
Page 1: ...ATL SuperLoader DLT and ATL SuperLoader LTO Software Interface Guide 81 60220 01 A02...
Page 18: ...Preface Document Conventions xviii Quantum ATL SuperLoader Software Interface Guide...
Page 44: ...Chapter 2 Messages Supported SCSI Messages 26 Quantum ATL SuperLoader Software Interface Guide...
Page 196: ...Index 178 Quantum ATL SuperLoader Software Interface Guide...