asterisk support - server down

Server on Digital Ocean has been running great.. data spike at 3pm cst and then silence need assistance please.. could be log files full ? dont thing so login as: root root@pbx:~# asterisk -rvvvvvvvvvv Unable to connect to remote asterisk (does /var/run/asterisk/[login to view URL] exist?) root@pbx:~# df -h Filesystem Size Used Avail Use% Mounted on rootfs 40G 35G 3.0G 93% / udev 10M 0 10M 0% /dev tmpfs 202M 180K 202M 1% /run /dev/disk/by-label/DOROOT 40G 35G 3.0G 93% / tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 403M 0 403M 0% /run/shm