Source Storage Element Address:
This field provides the address of the last storage element from which the tape cartridge was
moved (valid only if the SValid bit is 1).
Primary Volume Tag Information:
When VolTag in CDB was set the media changer will return a 36 byte PVolTag Identifier. This
identifier will contain the bar code label of the cartridge mounted in the tape drive.
0 1 2 3 4 5 6 7
n n n n n n t t
The first six (6) characters are any combination of upper case A-Z or 0-9 (e.g. ABC123) to identify
the cartridge volume. The last two (2) characters are determined by the cartridge media type (i.e.
L for LTO and 1 for tape cartridge generation or drive manufacturer unique identifier).
Code Set:
If the DVCID bit is set in the CDB, the Code Set field is set to 2h, indicating that ASCII values are
returned. If the DVCID bit in the CDB is set to 0, the Code Set is set to 0h.
Identifier Type:
If the DVCID bit is set in the CDB, the Identifier Type is set to 1h. This indicates that the identifier
field contains an eight byte vendor identifier followed by vendor unique identifier information. If the
DVCID bit in the CDB is set to 0, the Identifier Type field is set to 0h.
Identifier Length:
The Identifier Length field contains the length in bytes of the Identifier field. When the DVCID bit is
not set in the CDB the Identifier Length field is set to 00h.
Identifier:
If the DVCID bit is set in the CDB, the Identifier field provides the Vendor ID, Product ID and tape
drive serial number. The format is identifier Type 1, which is equivalent to the drive's Inquiry page
83h. If the DVCID bit in the CDB is set to 0, the Identifier field is omitted.
Next table contains a list of the ASC and ASCQ values that will appear in the Additional Sense Code and
Additional Sense Code Qualifier fields of the Data Transfer Element descriptor if the element is in an
abnormal state. The Except field of an element descriptor indicates if an element is in an abnormal state.
ASC ASCQ Description Action
30h 03h Cleaning cartridge The element contains a cleaning cartridge.
30h 83h Cleaning cartridge
without bar code label
The element contains a cleaning cartridge without a readable bar
code label.
3Bh 12h Magazine removed Insert magazine.
80h BDh Drive communication
problem
The media changer has problems communicating with the tape
drive. Make sure the tape drive is properly connected.
83h 00h Element not yet scanned The media changer has not scanned this element up to now.
83h 01h No bar code label The element contains a cartridge without a readable bar code label.
3-64 TL2000 and TL4000 SCSI Reference
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