15.Appendix G
SONY AIT-1 Turbo drive SDX-470V series Ver.1.0
15-8
15.8.5.
How to Expand or Shrink the User Volume Note
If there is no User Partition Note, or the User Volume Note was added as the last user data structure within the User
Data Area, you can overwrite the User Volume Note with one of a different size. SDX-470V reports an error condition
(illegal parameter list length) if the User Volume Note Data Size is ZERO.
You can check for the absence of the User Partition Note with the Log Sense Page 3Dh Parameter Code 0014h (List
of Partitions containing User Partition Notes) or with the Log Sense Page 3Dh, Parameter Codes 0018h and 0019h.
Start
Log Sense Page 3Dh
Parameter Code 0004h
Get User Volume Note size.
Log Sense Page 3Dh
Parameter Code 0014h
Get the list of Partition.
No User Partition Note
Yes
Log Sense Page 3Dh
Parameter Code 0003h
Check MIC free memory capacity.
Log Select Page 3Eh Parameter
Code 0001h
Put User Volume Note data.
Stop
15.8.6.
How to Expand or Shrink the User Partition Note
If the User Partition Note is the last Note, then you can overwrite the User Partition Note with one of a different length.
SDX-470V reports an error condition (illegal parameter list length) if the User Volume Note Data Size is ZERO.
15.8.7.
User Notes Hints
You can check for the absence of User Partition Note with the Log Sense Page 3Dh Parameter Code 0014h (List of
Partitions that have the User Partition Note) or with the Log Sense Page 3Dh, Parameter Codes 0018h and 0019h.
In order to be able to overwrite User Notes with data structures of different length than the current one, you need to
remember the order of the Notes in MIC. This is because you can modify the size of the last Note only.
