My forum is much smaller than this, so I’m not sure my experience is relevant here, however: how many backups do you have stored? If one backup is 217 MB is it possible that 46 GB result from (too) many old backups?
My forum is much smaller than this, so I’m not sure my experience is relevant here, however: how many backups do you have stored? If one backup is 217 MB is it possible that 46 GB result from (too) many old backups?