Hitachi HTS543232L9A300, HTS543280L9SA00 manual Extended Self-test log sector, Device error count

5K320 SATA OEM Specification

State shall contain a value indicating the state of the device when the command was issued to the device or the reset occurred as described below.

Value	State
x0h	Unknown
x1h	Sleep
x2h	Standby
x3h	Active/Idle
x4h	SMART Off-line or Self-test
x5h-xAh	Reserved
xBh-xFh	Vendor specific

Note: The value of x is vendor specific.

14.17.2.4Device error count

This field shall contain the total number of errors attributable to the device that have been reported by the device during the life of the device. This count shall not include errors attributed to the receipt of faulty commands such as commands codes not implemented by the device or requests with invalid parameters or invalid addresses. If the maximum value for this field is reached the count shall remain at the maximum value when additional errors are encountered and logged.

14.17.3Extended Self-test log sector

The following table defines the format of each of the sectors that comprise the Extended SMART self-test log.

The Extended SMART self-test log sector shall support 48-bit and 28-bit addressing. All 28-bit entries contained in the SMART self-test log, defined in “Self-test log data structure” shall also be included in the Extended SMART self-test log with all 48-bit entries.

Description	Bytes	Offset
Self-test log data structure revision number	1	00h
Reserved	1	01h
Self-test descriptor index (7:0)	1	02h
Self-test descriptor index (15:8)	1	03h
Descriptor entry 1	26	04h
Descriptor entry 2	26	1Eh
...	26	1D8h
Descriptor entry 18
Vendor specific	2	1F2h
Reserved	11	1F4h
Data structure checksum	1	1FFh
	512

Table 79 Extended Self-test log data structure

These descriptor entries are viewed as a circular buffer. The nineteenth self-test shall create a descriptor entry that replaces descriptor entry 1. The next self-test after that shall create a descriptor entry that replaces descriptor entry 2, etc. All unused self-test descriptors shall be filled with zeros

14.17.3.1Self-test log data structure revision number

The value of this revision number shall be 01h.

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