Hi guys

I have an unraid has that I cannot power off in the right way. To save some money in electricity bill I switch off my NAS every day at 1 in the night and power on again at 3:30 in the afternoon. At every startup it trigger the parity check cause is not being gracefully shutted down. Looking at the log at it seems that disk6 (zfs) in the array cannot unmount cause is busy. The other disks in the array are all xfs formatted. Disk6 is the only one using zfs. I need that for snapshot replication.

I already tried to scrub the disk but without success.

Maybe someone can give an hint on about to solve this problem. 

 

unraiditx-diagnostics-20250514-2230.zip

You should try to get the s3_sleep plugin working. 

Disable Docker and VM service and reboot in safe mode, start the array and see if it stops, if yes, retest again after booting in normal mode to rule out a plugin issue, leave the services still disabled, if still OK enable one of the services and retest, then the other, note that if the issue happens with the docker service enabled only, you may need to try enabling one or a few containers at a time to find the culprit.

OK i will try and let you know how is going!!! 

Update:

Not plugin's fault and not VM's fault.

It's docker. I also tried to stop every container but it seems not work anyway. 

I'm using overlay2 as storage driver. How can I understand what is blocking that disk to normally unmount?? 

Try recreating the docker folder as an image, folder can cause various issues, including that one.

Do you mean  change from overlay2 to the old mode??? 

If by old mode you mean the default, which is a docker image, yes.

It was more easy than i thought. I stopped docker service, delete the overlay2 folder, restart docker, previous apps, reinstall all the container.

 

Now the array is stopping correctly.

If I will have in the future some problem again I will switch to the traditional docker image driver.

 

Thanks again for the help.