Chapter 9 Scsi-2 Commands: Position To Element; Position To Element Format (2Bh) - Spectra Logic Spectra 10000 User Manual

10kdev_.book Page 81 Friday, March 12, 1999 9:44 AM
Chapter 9
SCSI-2 Commands: Position To Element
The Position to Element command requests that the Gripper Arm be positioned to a
specific element location (address).
No movement occurs for a Move Medium (A5h) command. Note that for the library this
command does not significantly reduce the access time for loading or unloading of a tape
drive. This command is included for compatibility with other media changer devices. For this
reason, an illegal command is not returned if the host software issues this command.

Position To Element Format (2Bh)

Bit
Byte
00
01
02
-
03
04
-
05
06
-
07
08
7 6 5
0 0 1
Logical Unit Number
(MSB)
Transport Element Address
(LSB)
(MSB)
Destination Element Address
(LSB)
Reserved
Reserved
4 3 2 1 0
0 1 0 1 1
Reserved
Invert