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1.4.3.2
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
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 11 Device Statistics log
Page
(hex)
00
List of supported log pages
01
General Statistics
Lifetime Power-on Resets
Power-on Hours
Logical Sectors Written
Number of Write Commands
Logical Sectors Read
Number of Read Commands
Pending Error Count
Workload Utilization
Utilization Usage Rate
Resource Availability
Random Write Resources Used
02
Free Fall Statistics
Number of Free-Fall Events Detected
Overlimit Shock Events
03
Rotating Media Statistics
Spindle Motor Power-on Hours
Head Flying Hours
Head Loaded Events
Number of Reallocated Logical Sectors
Read Recovery Attempts
Number of Mechanical Start Failures
Number of Reallocation Candidate Logical Sectors
Number of High Priority Unload Events
04
General Errors Statistics
Number of Reported Uncorrectable Errors
Number of Resets Between Command Acceptance and Command Completion
Physical Element Status Changed
Seagate IronWolf Serial ATA Product Manual, Rev. C
Table 2 on page
Statistic
7. All reserved bits or words should be set to zero.
Supported
Yes
Yes
Yes
Yes
Yes
Yes
Yes
x
No
No
x
x
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
x
Serial ATA (SATA) interface
42
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