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[GH-ISSUE #29] SMART values have changed #66
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Originally created by @Friedhofsblond on GitHub (Sep 20, 2025).
Original GitHub issue: https://github.com/007revad/Synology_SMART_info/issues/29
Hello,
My SMART values have changed.
from: 188 Command_Timeout 25770196998
to: 188 Command_Timeout 6
I removed the HDD from the DS and checked it with SeaTools on my PC (Windows).
So the first value is still correct.
Is this due to your script or smartctl 7.4?
Or am I doing something wrong?
Regards ;)
@007revad commented on GitHub (Sep 21, 2025):
Seagate has a weird way of tracking some SMART values. They track the number of reads and number of errors during those read.
25770196998 is 6 errors in 393,222 operations. Seagate would ignore the "6" because the drive has done less 1 million operations which are not enough to get a true error rate. That 6 will get smaller if more operations are done without a timeout.
smartctl 7.5 converts those Seagate SMART values to real numbers.
smartctl 7.4 and older showed Seagate's RAW SMART values.
@Friedhofsblond commented on GitHub (Sep 28, 2025):
OK—then everything's fine.
Thank you.