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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.
Device Statistics log
Table 15
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 Comple-
tion
Physical Element Status Changed
Seagate Exos X24 SATA Product Manual, Rev. A (Draft 1)
Statistic
Serial ATA (SATA) interface
Supported
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
54
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