Jail takes up unusual ammount of space

[garm]

You have 92 GB in /mnt, do that one now du -shx /mnt/*

 

[danb35]

92G /mnt

So you have 92 GB stored in /mnt that isn't on your external mountpoint. There's your problem.

 

[ezra]

Never mind, got the issue, its Temp Deluge dir that whas faulty mounted to the host. Thanks for trouble shooting guys. learned some new commands along the way. Have a good one!

No wonder with ncdu it wound't have figured this out without -x ( only the root FS )

Thanks again guys. this saves me 100 GB of my 250 GB SSD mirror :)