
JULY 2007 MAGNUM 224, MAGNUM 448, STORAGELIBRARY T24, OR STORAGELOADER 2U
19-15
WHAT THE LIBRARY RETURNS
Element Address – Bytes 00 and 01
This field contains the address of the data transfer element (the tape drive).
Magnum 224, T24, or SL 2U—The library may have one or two tape drives
with a default starting address of 51h (81).
Magnum 448—The library may have one, two, three, or four tape drives
with a default starting address of 51h (81).
Access – Byte 02, Bit 3
This bit indicates whether the cartridge loader can pick or place a cartridge at
the tape drive location. The cartridge is accessible if it is unloaded from the
tape drive at that location. Accessibility is reported as follows:
Except – Byte 02, Bit 2
The Except (exception) bit indicates the current state of the tape drive, as
follows:
Full – Byte 02, Bit 0
This bit indicates if the tape drive contains a cartridge. Since a match could
have been made only if there was a cartridge present, the value for this bit is
always 1.
12
Primary Volume Tag Information
(omitted if PVolTag = 0)
...
47
48
Reserved
(field moved up if PVolTag = 0)
...
51
0
The tape drive location may not be accessible (a cartridge
was last reported in the tape drive but is not currently
unloaded)
1
The tape drive location is accessible (a cartridge is
unloaded and waiting to be picked, or the tape drive is
empty)
0 The tape drive is in a normal state
1
The tape drive is in an abnormal state and the Additional
Sense Code and the Additional Sense Code Qualifier fields
contain information regarding the abnormal state
Komentáře k této Příručce