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Sony SDX-800V/R User Manual

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LOG SENSE 
6.Command Specification
SONY AIT-3Ex drive SDX-800V series Ver.1.1 
 
6-17 
6.6.3.1. 
Summary List of Supported Pages 
The summary list of supported log pages returns the list of page codes supported by the target. This page is only 
valid for the Log Sense command and if sent to the host during a Log Select command will cause termination with 
CHECK CONDITION status with sense key set to ILLEGAL REQUEST and additional sense code of INVALID 
FIELD IN PARAMETER LIST. 
Table 6-14: Supported Log Pages 
Bit 
Byte 
7 6 5 4 3 2 1 0 
0 
Reserved 
Page Code (00h) 
1 
Reserved (00h) 
2 
(MSB) 
Page Length (00 0Eh) 
 
3 
  
(LSB) 
4 
 
Supported Page List 
 
17 
 
(00 02 03 07 2E 30 31 33 34 35 39 3C 3D 3Eh) 
 
This page returns the summary list of supported log pages for the specified logical unit to the requesting initiator.   
IMPLEMENTORS NOTE: Typically, an initiator should first request page ZERO to determine the list of pages 
supported by the device. The page code parameters are a list containing the page codes of the supported pages for 
the logical unit in ascending order. Note that neither Threshold nor Cumulative values have any meaning for this 
page. 
6.6.4.  Write and Read Error Counters Pages 
The Error Counters Pages (Write and Read) are used to report statistical information about Write and Read soft and 
hard errors and retries. Each parameter is a counter which is updated by the target every time the corresponding 
event occurs. The format of the Error Counters Pages is given below: 
Table 6-15: Write/Read Error counters page 
Bit 
Byte 
7 6 5 4 3 2 1 0 
0 
     Reserved 
Page Code (02h or 03h) 
1 
Reserved 
2 
(MSB) 
Page Length (n) 
 
3 
  
(LSB) 
4 
(MSB) Parameter 
Code 
 
5 
  
(LSB) 
6 
DU (0) 
DS (1) 
TSD (0)
ETC (0)
TMC (00) 
LBIN (0) 
LP (0) 
7 
Parameter Length (n-3) 
8 
(MSB) Parameter 
Value 
 
N 
  
(LSB) 
The Page Code is one of the following: 
Table 6-16: Page Code 
Page Code 
Description 
02h 
03h 
Write error Counter Page 
Read error Counter Page