Write And Read Error Counters Pages - Freecom TAPEWARE AIT-250I Specification

6.Command Specification
Bit 7
Byte
0 Reserved
1
2 (MSB)
3
4
17
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:
Bit 7
Byte
0 Reserved
1
2 (MSB)
3
4 (MSB)
5
6 DU (0)
7
8 (MSB)
N
The Page Code is one of the following:
The following parameter codes are supported for each Error Counters Page:
6-16
Table 6-12: Supported Log Pages
6 5
Page Length (00 0Eh)
(00 02 03 07 2E 30 31 33 34 35 39 3C)
Table 6-13: Write/Read Error counters page
6 5
DS (1) ETC (0)
TSD (0)
Parameter Length (n-3)
Table 6-14: Page Code
Page Code
02h Write error Counter Page
03h Read error Counter Page
4 3
Page Code (00h)
Reserved (00h)
Supported Page List
4 3
Page Code (02h or 03h)
Reserved
Page Length (n)
Parameter Code
TMC (00)
Parameter Value
Description
SONY AIT-E Turbo drive SDX-250V series Ver.1.0
LOG SENSE
2 1 0
(LSB)
2 1 0
(LSB)
(LSB)
Reserved LP (0)
(LSB)