Read Element Status
Julyl 2017 Command Set 181
Read Element Status
The Read Element Status command (B8h) requests that the library return the status of
the elements in the library.
TABLE 4-101 Read Element Status Command
Byte
Bit
76543210
0 Operation Code (B8h)
1 Ignored VolTag Element Type Code
2
to
3
(MSB)
Starting Element Address (LSB)
4
to
5
(MSB)
Number of Elements (LSB)
6 Reserved (00h) CurData DvcID
7
to
9
(MSB)
Allocation Length (LSB)
10 Reserved (00h)
11 Control Byte (00h)
Read Element Status Command Definitions:
VolTa g
This bit indicates whether volume tag (VolTag) information is to be
reported in response to this command:
0 = Volume Tag information is not reported
1 = Volume Tag information is reported.
Element Type Code
This field specifies the particular element types selected for reporting:
0h = All Element Types reported
1h = Medium Transport Element (hand)
2h = Storage Element (cartridge tape storage cells)
3h = Import/Export Element (mailslot)
4h = Data Transfer Element (tape drive)
For an Element Type Code of 0h, the element types are reported in
ascending element address order, beginning with the first element greater
than or equal to the Starting Element Address.
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