I was looking at ShadowCopy contrib to implement at my server.
But I discovered it uses a cron job to take a rsync of FS at intervals.
I thought ShadowCopy was a modification at RM (remove) to save a copy on a special folder.
[EDIT]Anyways, if it isn't a modification to rm: will it use twice disk space (for each ibay/user enabled) on first snapshot ?
Thanks
Jáder