nope, sorry. disabling btsync --> NAS goes to sleep after 10 minutes. enabling btsyns --> no sleep. I could reproduce this several times. The logs from above are still correct, some files get accessed every 10 minutes although folder rescan interval is set very high. I disabled the webui and set the config via file: { "device_name": "NAS", "listening_port": 55555, "storage_path": "/usr/local/btsync/var", "pid_file": "/usr/local/btsync/var/syncapp.pid", "check_for_updates": false, "use_upnp": false, "folder_rescan_interval": 43200, "shared_folders" : [ { "secret" : "XXX", "dir" : "/volume1/andreas/cloud/", "use_relay_server" : false, "use_tracker" : false, "use_dht" : false, "search_lan" : false, "use_sync_trash" : true } ]}