Re: [pve-devel] PVE 4.x watchdog-mux.service

[Dietmar Maurer]

> > What happened to /dev/watchdog?
> 
> No idea on most of our servers it does not exist.
> 
> # ls -la /dev/watchdog
> ls: cannot access /dev/watchdog: No such file or directory
> 
> Which module does create that device node?

watchdog-mux simply loads 'softdog' if you do not specify
a hardware watchdog:

# modprobe softdog

and this should generate /dev/watchdog

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Re: [pve-devel] PVE 4.x watchdog-mux.service

[Dietmar Maurer]

> since starting to upgrade some nodes to PVE 4.x i've seen that a lot of
> them have a failed service watchdog-mux.
> 
> Is there any reasons why this one is enabled by default?

This is required if you use HA.


> Dec 05 14:57:34 node1 watchdog-mux[1551]: watchdog open: No such file or
> directory

What happened to /dev/watchdog?

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[pve-devel] PVE 4.x watchdog-mux.service

[Stefan Priebe - Profihost AG]

Hi,

since starting to upgrade some nodes to PVE 4.x i've seen that a lot of
them have a failed service watchdog-mux.

Is there any reasons why this one is enabled by default?

# systemctl --failed
  UNIT LOAD   ACTIVE SUBDESCRIPTION
● watchdog-mux.service loaded failed failed Proxmox VE watchdog multiplexer


# systemctl status -l watchdog-mux.service
● watchdog-mux.service - Proxmox VE watchdog multiplexer
   Loaded: loaded (/lib/systemd/system/watchdog-mux.service; static)
   Active: failed (Result: exit-code) since Mon 2016-12-05 14:57:35 CET;
48min ago
  Process: 1551 ExecStart=/usr/sbin/watchdog-mux (code=exited,
status=1/FAILURE)
 Main PID: 1551 (code=exited, status=1/FAILURE)

Dec 05 14:57:34 node1 watchdog-mux[1551]: watchdog open: No such file or
directory
Dec 05 14:57:34 node1 systemd[1]: Started Proxmox VE watchdog multiplexer.
Dec 05 14:57:35 node1systemd[1]: watchdog-mux.service: main process
exited, code=exited, status=1/FAILURE
Dec 05 14:57:35 node1 systemd[1]: Unit watchdog-mux.service entered
failed state.

Greets,
Stefan
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