Exception Handling; Phase Sequencing - Tandberg Data SLR7-140 PROGRAMMER Manual

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Tandberg Data

12.4. Exception Handling

See the section on Error Conditions For All Commands.
If PCR bit is one and Parameter List Length is NOT zero
the Drive will
parameters will be transferred, and the Error Code will
be I
NVALID FIELD IN
If PC field is 10b or 11b and Parameter List Length is
NOT zero the Drive will return CHECK CONDITION status.
No parameters will be transferred, and the Error Code
will be I
NVALID FIELD IN
If the Parameter List Length do not match exactly the
real length of the requested LOG-pages, the Drive will
report CHECK CONDITION status and the Error Code will be
I CDB.
NVALID FIELD IN
performed.
If any bits or bytes in the transferred parameters have
invalid values, the Drive will report CHECK CONDITION
status and the Error Code will be I
. No log select operation will be performed.
LIST
If the parameter
ascending order of parameter code, the Drive will report
CHECK CONDITION status and the Error Code will be I
FIELD IN PARAMETER LIST
performed.

12.5. Phase Sequencing

In this section the possible SCSI-bus phase sequences
during execution of the command are described. Section
3.2.1 has more details about the generic phases in the
brackets.
:= <initiator-part> <message-out> <command> <disconnect> <reconnect>
<data-out> <completed>
When disconnection is allowed the Drive will disconnect
when the CDB has
reconnect when
completed execution.
:= <initiator-part> <message-out> <command> <data-out> <completed>
This sequence will be used when disconnection is not
allowed.
12-7 Tandberg SLR Product Line SCSI Functional Specifications
return CHECK
CDB.
CDB.
No log select
blocks are not
. No log select operation will be
been transferred.
the previous immediate
Log Select
CONDITION status.
operation will
NVALID FIELD IN PARAMETER
transferred
The Drive
command
No
be
in an
NVALID
will
has