3D Innovations DLT8000 Gas Grill User Manual


 
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An initiator that holds a current reservation may modify that reservation (for
example, to switch third parties) by issuing another RESERVE UNIT (6) command
to the tape drive.
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The optional Element Reservation feature defined for Medium Change devices as
described in the ANSI SCSI-2 specification is not supported. The RESERVE
UNIT command is defined the same as for the tape drive. The whole loader unit
may be reserved. This is separate from a reservation of the tape drive.
The RESERVE UNIT/ RELEASE UNIT commands operate on a LUN basis. The
Medium Changer and the tape drive are generally handled as different devices. In
the case of a reserved drive LUN, a MOVE MEDIUM command issued to the
Medium Changer LUN cannot insert or remove a tape cartridge to or from a tape
drive unless the tape drive is reserved by the same initiator.