Data Required - HP C737990900 Technical Reference Manual

Ultrium drives generation 2 scsi and fc drives volume 3: the scsi interface
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0
Self-Test
1
DevOffl
UnitOffL
Unit Offline bit
0
1
Parameter List
Length
146 Commands
Perform the diagnostics specified in the parameter list. The UnitOffL bit must be set,
otherwise
CHECK CONDITION
been completed.
Perform the standard self-test depending on the value of UnitOffL (see above). The
Parameter List Length must be 0 otherwise
report
status following the pre-execution checks and before executing the
GOOD
command.
Device Offline bit.
Must be cleared to zero.
Indicates that the host is not prepared for the drive to perform tests that could affect logical
position.
Indicates that the host is prepared for the drive to perform tests that could affect logical
position, modify the tape or modify cartridge status. This bit must be set if the Self-Test bit is
0.
Indicates how many bytes of diagnostic parameter data are to be sent to the drive. The
length of the data phase for
parameters, each of which is 4 bytes long. This gives an upper limit for the parameter list
length of 136 bytes.

Data Required

No data is required if the standard self-test is to be performed. Otherwise, a
single diagnostic page must be provided as a parameter.
Specific Status
Any Send Diagnostic command received with a Enclosure Services page
number (01h to 0Fh) will generate
ILLEGAL REQUEST
function).
The drive reports
if the diagnostics fail, with a sense key of
CONDITION
additional sense of 4000h.
More detailed results can then be recovered using the
page.
is reported. The drive reports status when the command has
CHECK CONDITION
SEND DIAGNOSTIC
CHECK CONDITION
and additional sense of 3501h (unsupported enclosure
status if the diagnostics pass. It will report
GOOD
is reported. The drive will
is limited to 4 bytes of header plus 34
with sense key of
HARDWARE ERROR
Receive Diagnostic Results
CHECK
and

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