Quantum DLT 4000 Manual descargar pdf (Pagina 216)

100

101

SCSI Commands

5-116 Quantum DLT 4000 Tape Drive

PREVENT / ALLOW MEDIUM REMOVAL Command (1Eh)

(continued)

Table 5–55 PREVENT / ALLOW MEDIUM REMOVAL Command Descriptor Block -

Field Descriptions

Field Name Description

Prevent When set to 1, the UNLOAD button on the drive’s front panel is

effectively disabled, and the UNLOAD command does not unload the

tape medium or the cartridge. The PREVENT / ALLOW status in the

device is maintained separately by each initiator.

When set to 0, the prevent state corresponding to that initiator is

cleared. When all initiators have cleared their prevent states, the

UNLOAD button and UNLOAD commands are enabled. By default,

after power up, a hard reset, or Bus Device Reset message, the

prevent medium removal function is cleared.

If a Media Loader device is present, its MOVE MEDIUM command is

prevented from removing a cartridge if PREVENT has been enabled.

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