Optical Drive and Library SCSI-2 Command Reference

Jukebox SCSI-2 Command Set
Read Element Status Command (B8H)
Chapter 3 3-75
Jukebox SCSI-2 CommandsJukebox SCSI-2 Commands
Element Descriptor
Length The number of bytes in each Element Descriptor Block.
Byte Count of
Descriptor Data
Available Element Descriptor Length for X Number of Elements
of the type shown in byte 0.
Element
Address The address of the element being reported by this
descriptor block.
Access When set to 1, access to the element by the Medium
Transport Element is allowed.
Except When set to 1, the element is in an abnormal state.
Information about the abnormal state is available in the
Additional Sense Code and Additional Sense Code
Qualifier bytes. (See Table B-2 on page B-4)
Full When set to 1, the element contains a cartridge.
Not Bus When set to 1, the SCSI Bus Address and the Logical
Unit value fields are not on the SCSI Bus used to select
the library.
20-23
a
Reserved (0)
24-33
a
Drive Serial Number (ASCII)
a. These fields are applicable for the 300mx, 600mx, 700mx, 1200mx and 2200mx
models only.
Table 3-75 Read Element Status Data Transfer Element Descriptor Block
Byte 7 6 5 4 3 2 1 0