I've actually had the same thing occur to me. WebGUI is completely unaccessible. Can SSH though. Have to do a hard reboot. My log is 38.7MB so a little too big for upload. Is there something in there that you'd like to look at in particular? Let me know if I can supply any other info.
M/B: Gigabyte Technology Co., Ltd. - F2A88XM-D3H
CPU: AMD Athlon™ X4 860K Quad Core @ 3700
Memory: 8 GB
Unraid: 6.3.1
Settings:
Start of Log:
Stopping Deluge-VPN
Stopping Dolphin
Stopping Grafana
Stopping Influxdb
Stopping LS-Jackett
Stopping LS-plexpy
Stopping LS-Radarr
Stopping openvpn-as
Stopping Plex
Stopping Sonarr
Stopping untelegraf
Backing up USB Flash Drive
Backing up VM XML's
Executing rsync: /usr/bin/rsync -avXHq --delete --exclude "docker.img" --log-file="/var/lib/docker/unraid/ca.backup.datastore/appdata_backup.log" "/mnt/user/Dockers/" "/mnt/user/File Vault/DockerBackup/
[email protected]" > /dev/null 2>&1
2017/03/27 04:02:10 [26210] building file list
2017/03/27 04:02:11 [26210] .d...pog..x ./
End of Log:
2017/03/27 04:47:06 [26210] sent 35,698,270,539 bytes received 2,585,578 bytes 13,239,701.88 bytes/sec
2017/03/27 04:47:06 [26210] total size is 35,675,301,506 speedup is 1.00
Restarting Deluge-VPN
Restarting Dolphin
Restarting Grafana
Restarting Influxdb
Restarting LS-Jackett
Restarting LS-plexpy
Restarting LS-Radarr
Restarting openvpn-as
Restarting Plex
Restarting Sonarr
Restarting untelegraf
Backup/Restore Complete. Rsync Status: Success
Deleting Dated Backup set: /mnt/user/File Vault/DockerBackup/
[email protected]
Deleting /mnt/user/File Vault/DockerBackup/
[email protected]