Folks, I need to limit the size of a folder shared in the network, no matters who have access and write to it... in other words, think about a folder that every user have to access and possibly write, but the size of this folder has to be under a size limit...

In my concern, there is no configuration mecanism especially made to this task, right? I think that the proper feature should come from the filesystem...

But, anyway, I thought about a solution using group quotas. I guess that when you enable the folder's setgid bit, everything that is copied to that folder becames owned by the folder's group owner. If I create a group of users, let's say named "Control", and put every network user in this group (but as a secondary group - "Control" won't be the main group of no user), do you think that the "Control"s group disk quota (properly configured) will limit the size of the folder (without limiting no user's quota)...

Is there a chance that this idea work? Is there a better choice?

Thanxs in advance....