My ‘Power On Hours’ has been replaced by ‘Power On Hours Ago’ when I view SMART test results. How do I get ‘Power On Hours’ instead?

You are going to need to be much more specific that that. What is reporting “Power On Hours Ago”? Post the entire output of smartctl -x /dev/sda (sda being the drive in question).

I’m sure it used to default to Power On Hours. This Power On Hours Ago isn’t helpful to me and I can’t see a way to switch it back?

I am seeing the same on Fangtooth 25.04.1. It may have been different in a previous Fangtooth or other Scale verison Screenshot with the columns options [image] EDIT: not sure if this would be considered a Feedback issue or a Bug issue. Tooltip showing both but it isn’t a Column choice for disp…

The “Power On Hours Ago” could be part of what iXsystems is considering some adaptive SMART testing that they plan to bring in. This could be the beginning steps. But they did not release any details on how this adaptive scheduling would work, what the deciding factors are. To me, that is importa…

I don’t know how @chri5 got ‘slow’ on that screenshot but I believe it to be the pool name. You can expand the system details and see the pools refered to as fast and slow. Put in a Bug report since tool tip mentioned both Power On Hours and Power On Hours Ago. We will have to see if this is a Bu…

Yes it’s my pool name ‘slow’ I have another called ‘fast’.

TrueNAS Jira say this isn’t a bug or a regression in functionality. I’d say it is. :man_shrugging:

In case you didn’t see [image] 25.04.1 2025-Jul-07 Release Notes Below is a summary of some of the issues with updates (either new, relevant updates to the ticket or status has changed) since the last post ; note this is not a complete list but highlights issues…

My Power On Hours has been replaced by Power On Hours Ago

TrueNAS General

SmallBarky July 7, 2025, 10:39pm 11

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My Power On Hours has been replaced by Power On Hours Ago

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