Dell PowerVault TL4000 User's Guide download pdf (Page 97)

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 6 5 4 3 2 1 0

Byte

0 Operation Code (00h)

1 LUN Reserved

2 Reserved

3 Reserved

4 Reserved

5 Control

Field descriptions:

Chapter 3. Supported SCSI Commands 3-83

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Dell PowerVault TL4000 User's Guide Page 97