Request Sense
2.31Request Sense (03h)
Operation Code is (03h).
The REQUEST SENSE command requests the drive to transfer extended sense data to the initiator. The drive supports the first 18 bytes of the extended sense data format. The drive will transfer Allocation Length bytes or 18 bytes, whichever is smaller.
Valid
A valid bit of zero indicates that the information field is not as defined in the
FileMk (File mark) if one indicates that the current command has read a file mark.
EOM (End of Medium) if one indicates that an
ILI (Incorrect Length Indicator)
An incorrect length indicator bit set to one indicates that the requested logical block length did not match the logical block length of the data on the medium.
Sense Key
Provides generic categories in which error and exception conditions can be reported. Table
ASC / ASCQ (Additional Sense Codes)/(Additional Sense Code Qualifier)
Additional sense codes and additional sense code qualifier provides further detail describing the sense key. These codes are listed in Table
Additional Sense Length
Indicates the number of additional sense bytes to follow. If the allocation length of the command descriptor block is to small to transfer all of the additional sense bytes, the additional sense length is not adjusted to reflect the truncation.
Command Specific Info
The field contains information that depends on the command which was executed. Further definition for this field is contained within the command description.
SKSV
(Sense Key Specific Valid) The
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