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LOG SENSE 6.Command Specification
SONY AIT-5 drive SDX-1100V series Ver.1.0 6-17
6.6.3. Summary List of Supported Pages (00h)
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 initiator during a Log Select command will cause termination
with a CHECK CONDITION status with sense key set to ILLEGAL REQUEST and ASC of INVALID FIELD IN
PARAMETER LIST.
Table 6-13: 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 will 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 (02h or 03h)
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 6-14: 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)
Table 6-15: Error Counter Descriptors
Bit
Byte
7 6 5 4 3 2 1 0
0 (MSB) Parameter Code
1 (LSB)
2 DU (0) DS (1) TSD (0)
ETC (0)
TMC (00) LBIN (0) LP (0)
3 Parameter Length (n-3)
4 (MSB) Parameter Value
7 (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