All files missing - but not in new snapshots

[hc_carl]

Hi,
I just updated my Truenas to 12.0 U5 (might be a coincidence) and after reboot all my files on some (not all) datasets are missing. It's just blank, even in a shell. Datasets take up space though, so I took a snapshot of the dataset with no files (that dataset had no prior snapshots taken) and cloned it and all the files showed up.


What could possibly have gone wrong?


What can I do to prevent this from happening again? And perhaps even restore it? It's very time consuming rsyncing all the files to new datasets.


Thanks

Carl

 

[hc_carl]

Edit: I did reboot into U4 again with no better result.
/C

 

[Kris Moore]

Can you try running a zfs mount -a and do the files come back? Otherwise will need more details...

 

[hc_carl]

Can you try running a zfs mount -a and do the files come back? Otherwise will need more details...

I cannot thank you enough! It really was that simple.
/Carl