Operating instructions

SEPTEMBER 2005 MAGNUM 1X7 LTO AUTOLOADER
10-17
COMMAND STATUS
10.4 COMMAND STATUS
The autoloader returns a status byte after processing the MODE SENSE
command. This section describes when each type of status byte might be
returned.
Good
The autoloader returns Good status when it is able to process the command
without errors.
Busy
The autoloader returns Busy status when the autoloader is processing a
command for a different initiator or when the autoloader is in the process of
aborting a motion command.
Reservation Conflict
The autoloader returns Reservation Conflict status when the autoloader is
reserved by a different initiator. See Chapter 20 for more information about
the RESERVE command.
Check Condition
The autoloader returns Check Condition status for the following reasons:
 The message system is enabled and a message error occurs while the
autoloader is processing the command.
 The autoloader detects an unrecoverable parity error while receiving the
CDB.
 The command is issued to an invalid LUN.
 A Unit Attention condition is pending for the initiator.
 A reserved bit is set to 1 in the CDB.
 A parameter in the CDB is invalid (see Table 10-2 for sense data).
Table 10-2 Invalid parameters in the MODE SENSE CDB
Sense
Key
ASC ASCQ
SKSV
Bit
C/D
Bit
BPV
Bit
Bit
Pointer
Field
Pointer
Error
5h 24h 00 1 1 1 — —
A reserved bit is set in the CDB. The
pointers point to the bit in error.
5h 24h 00 1 1 1 3h 0001h
Invalid value in DBD field. Must
be 1.
5h 24h 00 1 1 1 5h 0002h Invalid Page Code.