run 24h+ Test OK! H/W: MB= ASUS B85M-K , CPU = i3-4130 , run DS918+ DSM 7.1.1-42962 DSM 7.x Update Time nees 10~20 Mins Wait patiently for the system to boot ========================================================= 1. Control Panel -> Task  Scheduler -> Create -> Triggered Task -> User-defined script General -> Tesk : Boot -> User : root -> Event: Boot-up (v Enabled) Task Settings > User-defined script : if [ ! -d "/var/logbak" ]; then      mkdir /