Lost connection to API (FTL Offline)

[Fr3d-P]

Please follow the below template, it will help us to help you!

Expected Behaviour:

piHole running with connection

Actual Behaviour:

In the web interface: message "Lost connection to API" , FTL offline and all chasing arrows
if I launch the command

systemctl status pihole-FTL.service
I have
● pihole-FTL.service - LSB: pihole-FTL daemon
   Loaded: loaded (/etc/init.d/pihole-FTL; generated)
   Active: failed (Result: exit-code) since Wed 2020-03-18 23:56:45 CET; 6min ago
     Docs: man:systemd-sysv-generator(8)
  Process: 18369 ExecStart=/etc/init.d/pihole-FTL start (code=exited, status=1/FAILURE)

mars 18 23:56:39 piCloud systemd[1]: Starting LSB: pihole-FTL daemon...
mars 18 23:56:45 piCloud pihole-FTL[18369]: .....
mars 18 23:56:45 piCloud pihole-FTL[18369]: Not stopped; may still be shutting down or shutdown may have failed, killing now
mars 18 23:56:45 piCloud systemd[1]: pihole-FTL.service: Control process exited, code=exited, status=1/FAILURE
mars 18 23:56:45 piCloud systemd[1]: pihole-FTL.service: Failed with result 'exit-code'.
mars 18 23:56:45 piCloud systemd[1]: Failed to start LSB: pihole-FTL daemon.

Debug Token:

https://tricorder.pi-hole.net/bwmtms5km1

Thanks!

[jfb]

You appear to be out of space on the SD card

-rw-r--r-- 1 www-data www-data 5746 mars  18 23:52 /var/log/lighttpd/error.log
   2020-03-18 18:17:51: (server.c.1759) logfiles cycled UID = 0 PID = 2524 
   2020-03-18 19:02:11: (server.c.2059) server stopped by UID = 0 PID = 1 
   2020-03-18 19:04:24: (server.c.1464) server started (lighttpd/1.4.53) 
   2020-03-18 19:04:24: (server.c.1493) WARNING: unknown config-key: alias.url (ignored) 
   2020-03-18 19:17:31: (mod_accesslog.c.185) writing access log entry failed: /var/log/lighttpd/access.log No space left on device 
   2020-03-18 19:17:32: (mod_accesslog.c.185) writing access log entry failed: /var/log/lighttpd/access.log No space left on device

What is the output of df -h from the Pi terminal?

[Fr3d-P]

Here it is:

Sys. de fichiers Taille Utilisé Dispo Uti% Monté sur
/dev/root           29G    6,9G   21G  26% /
devtmpfs           459M       0  459M   0% /dev
tmpfs              464M       0  464M   0% /dev/shm
tmpfs              464M    6,4M  457M   2% /run
tmpfs              5,0M    4,0K  5,0M   1% /run/lock
tmpfs              464M       0  464M   0% /sys/fs/cgroup
/dev/mmcblk0p1     253M     54M  199M  22% /boot
tmpfs               93M       0   93M   0% /run/user/1000

seems good for me

... and I don't have rights to see what's in
/var/log/lighttpd
with my pi account, using su

[Fr3d-P]

So I fixed the problem in recreating the system on the SD-Card and reinstalling Pi-Hole from scratch...
Sadly, it seems that this is often the only working solution when a problem occurs on a Pi