Operating instructions

9-14
SCSI REFERENCE 1012975
CHAPTER 9—MODE SELECT (15h)
Reservation Conflict
The autoloader returns Reservation Conflict status for the following reasons:
The autoloader is reserved by a different initiator.
One or more of the autoloader’s elements are reserved by a different
initiator and an attempt is made to change any element address.
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.
The autoloader detects an unrecoverable parity error while receiving the
MODE SELECT data.
A parameter in the CDB on a MODE SELECT page is invalid (see Ta b l e 9 - 4
for sense data).
Table 9-4 Invalid parameters in the MODE SELECT CDB and mode data
Sense
Key
ASC ASCQ
SKSV
Bit
C/D
Bit
BPV
Bit
Bit
Pointer
Field
Pointer
Error
5h 1Ah 00h 1 1 0 0 0004h Invalid Parameter List Length.
5h 21h 01h 1 0 0 0
a
Address overlap. The field pointer is set to
the value representing the field in the
Element Address Assignment page which
caused the address overlap, as follows:
0006h – Medium Transport Element
Address
000Ah – Storage Element Address
5h 24h 00h 1 1 1 A reserved bit is set in the CDB. The
pointers point to the bit in error.
5h 24h 00h 1 1 1 4h 0001h Invalid PF (page format). Must be 1.