[pve-devel] need help, lost quorum on all nodes

[Alexandre DERUMIER]

note that my production server use 

ii  corosync-pve                     1.4.4-1                      Standards-based cluster framework (daemon and modules)
ii  libcorosync4-pve                 1.4.4-1                      Standards-based cluster framework (libraries)

So I think it's last git version ?

----- Mail original ----- 

De: "Alexandre DERUMIER" <aderumier at odiso.com> 
À: "Dietmar Maurer" <dietmar at proxmox.com> 
Cc: pve-devel at pve.proxmox.com 
Envoyé: Mardi 15 Janvier 2013 08:50:28 
Objet: Re: [pve-devel] need help, lost quorum on all nodes 

Thanks for the info Dietmar 

>>So please use latest corosync from git and test again. 
Can I update corosync only on the node with 3.7 kernel ? 



----- Mail original ----- 

De: "Dietmar Maurer" <dietmar at proxmox.com> 
À: "Alexandre DERUMIER" <aderumier at odiso.com>, pve-devel at pve.proxmox.com 
Envoyé: Mardi 15 Janvier 2013 08:42:54 
Objet: RE: [pve-devel] need help, lost quorum on all nodes 

> Ok, I found the problem. 
> 
> I had installed a custom 3.7 kernel on the upgrade node, and it seem to cause 
> problem to corosync cluster (I don't know why,I'll to investigate tomorrow) 

We had a similar problem when CONFIG_RT_GROUG_SCHED is enabled in 
the kernel. That is why that was disabled in our kernel. 

I recently enabled that in the kernel (latest git) again, and disabled the code to use 
SCHED_RR inside coronsync. 

So please use latest corosync from git and test again. 
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