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6.Command Specification
The following parameter codes are supported for each Error Counters Page:
Parameter
Code
0003h
Total Errors Corrected (Soft Errors)
0004h
Total Times Correction
0005h
Total Groups Processed (Algorithm
Processed)
0006h
Total Errors Uncorrected (Hard Errors)
6.6.5. Last N Error Events List
This page is used to report information on soft and hard errors encountered by the device during normal operation.
Each parameter corresponds to an encountered error and is a report of what type of error occurred and when it
occurred. The format of the page is given below:
Bit
7
Byte
0
Reserved
1
2
(MSB)
3
4
(MSB)
5
6
DU (0)
7
8
17
The Parameter Codes supported are 1 through 30 where 30 is the maximum number of entries in the log page.
If there are no entries, the command will return the Page Header with the Page Length field set to ZERO.
Each error event record contains diagnostic information for a single error encountered by the device. The parameter
codes associated with the error-event records indicate the order in which the errors occurred. A higher parameter
code indicates that the error event occurred later in time.
Each parameter entry is 10 bytes long and has the following format:
Byte Offset
0 – 4
Result Message (see Diagnostic Clause)
5
Unused
6 – 9
Time-stamp (number of 1 minute increments since power-on)
When the log page becomes full, no more entries will be added until the log is cleared (using one of the methods
described previously) or a reset occurs. The current cumulative values will be returned regardless of the page
control field in the LOG SENSE CDB.
6-18
Table 6-17: Error Counter parameter codes
Description
Table 6-18: Last N Error Events Page
6
5
Page Length (n*14)
Parameter Code
DS (1)
TSD (0)
ETC (0)
Parameter Length (0Ah)
Parameter Value
Table 6-19: Error Event format
Parameter
Length (Bytes)
4
4
4
4
4
3
2
Page Code (07h)
Reserved
TMC (00)
Meaning
SONY AIT-4 drive SDX-900V series Ver.2.1
LOG SENSE
Default
Default
Cumulative
Threshold
0
FFFFFFFFh
0
FFFFFFFFh
0
FFFFFFFFh
0
FFFFFFFFh
1
0
(LSB)
(LSB)
LP (0)
LBIN (0)
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