[ClusterLabs] Strange Corosync (TOTEM) logs, Pacemaker OK but DLM stuck

Jan Friesse jfriesse at redhat.com
Tue Sep 12 02:56:03 EDT 2017

> Jan Friesse <jfriesse at redhat.com> writes:
>> Back to problem you have. It's definitively HW issue but I'm thinking
>> how to solve it in software. Right now, I can see two ways:
>> 1. Set dog FD to be non blocking right at the end of setup_watchdog -
>>     This is proffered but I'm not sure if it's really going to work.
> I'll run some test to see what works (if anything).  The keepalives can
> be provided by write()s as well, but somehow I don't expect that to make
> a difference.  We'll see.

Sounds good.

>> 2. Create thread which makes sure to tackle wd regularly.
> That would work, but maybe too well if entirely decoupled from the main
> loop.

Of course this would need to be done very carefully. I believe killing 
tackle thread would work well with minimum risks.


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