Hello, I have about 30 virtual machine running thru VirtualBox. About 25 are small disk footprint (3-4 gigs), with very light load. They sit there serving up very static data. They could go months without any change at all. The others have more frequent changes and a larger disk footprint (~10 gigs). I would like to have these synced to other backup VM hosts. Problem is, that BTsync won't update as long as the VM is running. I previously used Rsync cron jobs to do this, and it would transfer everything fine, even if the VM was running, I could boot the copies on other hosts no problem. If I go with BTsync, I will have to power down, wait for sync finish, then power up again to make sure all my copies are the latest. Any thoughts? The root of the problem, is how do I sync always in use large files? Thanks, Alan
