User's Guide
Chapter 3 Emulated DLT7000 SCSI Commands
Request Sense (03h)
Quantum DX-Series Software Interface Guide 253
4h HARDWARE ERROR. The Additional Sense Code 
/ Additional Sense Code Qualifier fields may 
present more specific information.
5h ILLEGAL REQUEST. The Command Descriptor 
Block or supplied parameter data had an 
unsupported or illegal operation specified. Check 
bytes 15, 16, and 17.
6h UNIT ATTENTION. Unit Attentions are created 
after a device reset, if the medium asynchronously 
becomes ready to the initiator, if another initiator 
changes Mode Parameters, and/or if the firmware 
is updated.
7h DATA PROTECTED. The current tape medium is 
write-protected. This can be because the Write 
Protect switch on the cartridge is in its enabled 
position or if the tape medium is not the 
appropriate type (DLTtape I or DLTtape II), or if a 
software write protect is issued.
8h BLANK CHECK. An End of Data or LongGap has 
been encountered.
Bh COMMAND ABORTED. This key is generated 
when a command has been aborted by the tape 
drive for some reason. Check the Additional Sense 
Code / Additional Sense Code Qualifier bytes.
Dh VOLUME OVERFLOW. This key indicates that the 
physical end of tape medium has been reached 
during writing. The initiator ignored the End of 
Medium condition and continued to write to tape.
Eh MISCOMPARE. A compare error has occurred 
during READ by the self-tests invoked during 
execution of a SEND DIAGNOSTIC command.
Field Name Description










