Hi, I had a few containers running in a host. I wanted to limit one of the container root disk size. However, when i run the command below, it said “device doesnt exist”. I assume this is because the root disk is inherited from profile ‘default’. Because this profile is used by all container in the …

Yes you can do this: lxc config device override <container> root size=20GB This copies the root device from the profile into the container and then modifies the size key.

Lamp February 3, 2025, 12:39am 6

[Solved] Running into issues enforcing root disk size on containers

Come across this post searching for ext4 disk size restriction. Turns out the storage driver documentation mentions that ext4 (or xfs) file system needs project quota enabled (tune2fs -O project -Q prjquota, and prjquota options in fstab) to enforce the container disk size limit.

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How to limit container root disk size?