Test Unit Ready (00H) - Dell PowerVault TL2000 Reference Manual

TEST UNIT READY (00h)

TEST UNIT READY checks if the media changer is ready for commands involving cartridge movement. If
the media changer has completed initialization and the magazines are inserted, the command returns
Good Status. Otherwise, Check Condition is reported. Due to power cycle, code update, etc., it is possible
to get multiple check conditions on TEST UNIT READY commands.
Bit 7
Byte
0
1
2
3
4
5
Field descriptions:
6 5
Operation Code (00h)
LUN
4 3
Reserved
Reserved
Reserved
Reserved
Control
Chapter 3. Supported SCSI Commands
2 1 0
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