LOG SENSE | 6.Command Specification |
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
Bit | 7 |
| 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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0 | Reserved |
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| Page Code (00h) |
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1 |
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| Reserved (00h) |
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2 | (MSB) |
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| Page Length (00 0Eh) |
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3 |
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4 |
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| Supported Page List |
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17 |
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| (00 02 03 07 2E 30 31 33 34 35 39 3C 3D 3Eh) |
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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
Bit | 7 | 6 |
| 5 | 4 |
| 3 |
| 2 | 1 | 0 |
Byte |
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0 | Reserved |
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| Page Code (02h or 03h) |
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1 |
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| Reserved |
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2 | (MSB) |
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| Page Length (n) |
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3 |
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| Table |
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Bit | 7 | 6 |
| 5 | 4 |
| 3 |
| 2 | 1 | 0 |
Byte |
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0 | (MSB) |
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| Parameter | Code |
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1 |
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| (LSB) |
2 | DU (0) | DS (1) |
| TSD (0) | ETC (0) |
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| TMC (00) | LBIN (0) | LP (0) | |
3 |
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| Parameter | Length |
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4 | (MSB) |
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| Parameter Value |
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7 |
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| (LSB) |
The Page Code is one of the following:
| Table |
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Page Code | Description |
02h | Write error Counter Page |
03h | Read error Counter Page |
SONY |
