Table 3-70
Byte
Jukebox SCSI-2 Command Set
Read Element Status Command (B8H)
Read Element Status Command (B8H)
This command provides the exact status of the various elements
(individual storage slots, mailslot, optical drives, and picker mechanism)
within the library.
Read Element Status Command CDB
7
6
0
1
Logical Unit Number (0)
2
3
4
5
6
7
8
9
10
11
Element Type
Code
Specifies the element type(s) to report.
0H - All element types reported
1H - Medium Transport Element (picker)
2H - Storage Element
3H - Import/Export Element (mailslot)
4H - Data Transfer Element (drive)
3-68
5
4
Operation Code (B8H)
Reserved (0)
Starting Element Address (MSByte)
Starting Element Address (LSByte)
Number Of Elements (MSByte)
Number Of Elements (LSByte)
Reserved (0)
Allocation Length (MSByte)
Allocation Length (Middle Byte)
Allocation Length (LSByte)
Reserved (0)
Control Byte (0)
3
2
1
Element Type Code
Chapter 3
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