Operating instructions

SEPTEMBER 2005 MAGNUM 1X7 LTO AUTOLOADER
19-11
WHAT THE AUTOLOADER RETURNS
Primary Volume Tag Information – Bytes 12 through 47
When the PVolTag field (in the Element Status page described on page 19-5) is
set to 1, this field contains the volume tag (bar code label) information of the
cartridge in this storage location. The autoloader supports eight bytes of
volume tag information, so only the first eight bytes reported are valid.
19.3.6 DATA TRANSFER ELEMENT DESCRIPTOR
The autoloader has one data transfer element (the tape drive), for which it
returns the following data transfer element descriptor.
Element Address – Bytes 00 and 01
This field contains the address of the data transfer element (the tape drive).
Bit
Byte
7 6 5 4 3 2 1 0
00 (MSB)
Element Address
(LSB)
01
02 Reserved Access Except RSVD Full
03 Reserved
04 Additional Sense Code
05 Additional Sense Code Qualifier
06 NotBus RSVD IDValid LUValid RSVD Logical Unit Number
07 SCSI Bus Address
08 Reserved
09 SValid Invert Reserved
10 (MSB)
Source Storage Element Address
(LSB)
11
12
Primary Volume Tag Information
(omitted if PVolTag = 0)
...
47
48
Reserved
(field moved up if PVolTag = 0)
...
51