ED: An ED bit of one indicates the element is disabled. An ED bit value of zero indicates the elementis enabled.Medium Type:The Medium Type field provides the type of medium currently present in the Media TransferElement. The next table describes the values for the Medium Types.0h Unspecified1h Data Medium2h Cleaning Medium3h Diagnostics Medium4h WORM Medium5h - 7h ReservedSource Storage Element Address:This field provides the address of the last storage element from which the tape cartridge wasmoved (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. Thisidentifier 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 andAdditional Sense Code Qualifier fields of the Medium Transport Element descriptor if the element is in anabnormal state. The Except field of an element descriptor indicates if an element is in an abnormal state.ASC ASCQ Description Action30h 03h Cleaning cartridge The element contains a cleaning cartridge.30h 83h Cleaning cartridgewithout bar code labelThe element contains a cleaning cartridge without a readable barcode 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 availableStorage Elements depends on the library model. A Storage Element contains a cartridge when the Full bitis set.Bit 7 6 5 4 3 2 1 0ByteSubheader0 Element Type Code (2h = Storage Element)1 PVolTag AVolTag Reserved2 - 3 Storage Element Descriptor Length4 Reserved5 - 7 Byte Count of Descriptor Data AvailableElement Descriptor8 - 9 Storage Element Address10 Reserved Access Reserved FullChapter 3. Supported SCSI Commands 3-57
