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do not see scrub completed in log - is it done?
I realized that I had not run the scrub on my ReadyNas 3220 (which is the main file server for our company) for a while and had not restarted it for a long while. I decided to run the scrub and then...
If you have SSH access, use btrfs scrub status /data. If it says it didn't complete and isn't still running, try btrfs scrub resume /data instead of starting over.
hezner1 wrote:
My questions are 1) where in the downloaded logs should I look for the scrub related events?
readynasd.log has the scrub started and scrub completed events.
You also can see the start and end times for the maintenance functions at the bottom of volume.log
data disk test 2022-02-15 00:40:01 2022-02-15 15:09:07 pass
data balance 2022-03-15 00:40:02 2022-03-15 00:40:09 completed Done, had to relocate 2 out of 13933 chunks
data scrub 2022-04-19 00:40:01 2022-04-20 14:53:27 pass
data defrag 2022-05-17 00:40:15 2022-05-17 00:41:46 completed
hezner1 wrote:
2) How can I tell if the scrub is still on going?
It's been a while since I looked specifically for this, but I think you will see an indication on the volume tab of the web ui.
Thank you StephenB. I found the scrub started event in the readynasd log. Apparently this log rolls over relatively often as it does not go back to the last time I ran the scrub.
I also found the scrub start event in the status log. This time I only see the scrub start that looks like what i see in the readynad log. The snip below is from the status log showing another scrub and you can see the scrub start and then the scrub complete events.
The volume log shows the scrub event but does not say pass like it did previous times and like you showed below and has the exact same time as the start event from the readynasd log.
I seem to remember that previously if a scrub or a defrag or a balance is running it shows when I go to the Volume settings but no scrub is showing now for me.
Do you think it would be safe to click the scrub button again? I would think if it were still scrubbing, I would get a "you can't do that now" message. Thanks for any thoughts or suggestions.
Pat
And just an added bit of data, the volume log never shows the scrub start, only the scrub pass like it showed in your snip. So showing the scrub event in the volume log but not showing the pass is different than usual.
hezner1 wrote:
And just an added bit of data, the volume log never shows the scrub start, only the scrub pass like it showed in your snip. So showing the scrub event in the volume log but not showing the pass is different than usual.
Definitely some strange happened. I don't see any downside in simply trying again. Then you can check for completion - which normally should happen in about 2 days.
Thanks StephenB. I'll give it a try either today after everyone leaves the office or tomorrow morning and will let you know what happens. I really do appreciate all the time that you and the other volunteers put into this forum. You provide a great resource.
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