ED: An ED bit of one indicates the element is disabled. An ED bit value of zero indicates the element
is enabled.
Medium Type:
The Medium Type field provides the type of medium currently present in the Media Transfer
Element. The next table describes the values for the Medium Types.
0h Unspecified
1h Data Medium
2h Cleaning Medium
3h Diagnostics Medium
4h WORM Medium
5h - 7h Reserved
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 the CDB was set the media changer will return a 36 byte PVolTag Identifier. This
identifier will contain the bar code label of the cartridge in the Medium Transport Element.
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 Medium Transport 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.
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.
Storage Element Status Page (02h)
The Storage Element is the device that physically stores a cartridge in the library. The number of available
Storage Elements depends on the library model. A Storage Element contains a cartridge when the Full bit
is set.
Bit 7 6 5 4 3 2 1 0
Byte
Subheader
0 Element Type Code (2h = Storage Element)
1 PVolTag AVolTag Reserved
2 - 3 Storage Element Descriptor Length
4 Reserved
5 - 7 Byte Count of Descriptor Data Available
Element Descriptor
8 - 9 Storage Element Address
10 Reserved Access Reserved Full
Chapter 3. Supported SCSI Commands 3-57