[PVE-User] bmc-watchdog curiosity

Dietmar Maurer dietmar at proxmox.com
Tue Feb 4 18:40:09 CET 2020


> Here: https://pve.proxmox.com/wiki/High_Availability_Cluster_4.x we can 
> read about IPMI watchdog, and to configure it like this:
> options ipmi_watchdog action=power_cycle panic_wdt_timeout=10
> 
> The question is: would it give us anything, if we also configured that? 
> As we have seen the bmc-watchdog in action, we know that it works and 
> does the job.
> 
> What added value would module "ipmi_watchdog" bring?

In theory, a HW watchdog is considered more reliable than softdog.

In practice, softdog works extremely well, and HW watchdogs fail because
of miss-configuration or IPMI bios bugs...

So IMHO you do not get much added value using ipmi_watchdog.

But this is more a feeling - I do not have numbers.



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