Dell PowerVault ML6000 - Manual (Page 80)

70 SCSI Commands
Request Sense – 03h
What the Library Does With This Command
The library returns eighteen bytes of sense data to the requesting initiator. The data is preserved until either
the REQUEST SENSE command or any other command is received. The library can queue multiple Unit
Attentions for processing.
Command Usage
This command should be issued whenever the initiator receives a CHECK CONDITION from the library. It
should continue to be issued until all check conditions have been cleared.
Request Sense CDB Format
The REQUEST SENSE CDB format is shown in the following table.
Allocation Length – This field specifies the number of sense bytes requested by the initiator.
Table 68 REQUEST SENSE CDB format
Bit
Byte
7 6 5 4 3 2 1 0
0 Op Code (03h)
1 Logical Unit Number Reserved
2 Reserved
3 Reserved
4 Allocation Length
5 Control