Инструкция LFF (3.5") Серверный HDD Seagate Exos X24

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Serial ATA (SATA) interface

5.3.3
Device Statistics log

The Device Statistics log (log 04H) transfers information about the drive. The data is organized as a set of 512-byte blocks
of data, whose contents are shown in Table 1 on page 8. All reserved bits or words should be set to zero. Parameters listed
with an "x" are drive-specific or vary with the state of the drive.

The following may contain drive-specific features that are included in the SATA specifications.

Table 15 Device Statistics log

Page
(hex)
Statistic
Supported

00
List of supported log pages
Yes

01
General Statistics

Lifetime Power-on Resets
Yes

Power-on Hours
Yes

Logical Sectors Written
Yes

Number of Write Commands
Yes

Logical Sectors Read
Yes

Number of Read Commands
Yes

Pending Error Count
Yes

Workload Utilization
No

Utilization Usage Rate
No

Resource Availability
No

Random Write Resources Used
No

02
Free Fall Statistics

Number of Free-Fall Events Detected
No

Overlimit Shock Events
No

03
Rotating Media Statistics

Spindle Motor Power-on Hours
Yes

Head Flying Hours
Yes

Head Loaded Events
Yes

Number of Reallocated Logical Sectors
Yes

Read Recovery Attempts
Yes

Number of Mechanical Start Failures
Yes

Number of Reallocation Candidate Logical Sectors
Yes

Number of High Priority Unload Events
Yes

04
General Errors Statistics

Number of Reported Uncorrectable Errors
Yes

Number of Resets Between Command Acceptance and Command Comple-
tion
Yes

Physical Element Status Changed
Yes

Seagate Exos X24 SATA Product Manual, Rev. C
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