[pve-devel] corosync problems - need help

[Alexandre DERUMIER]

Another strange thing,

I have stopped 1 node,

and other nodes see it online ??????

#clustat nodes


 Member Name                                                     ID   Status
 ------ ----                                                     ---- ------
 kvm6                                                                1 Online
 kvm4                                                                2 Online
 kvm3                                                                3 Online
 kvm2                                                                4 Online
 kvm5                                                                5 Online
 kvm1                                                                6 Online ---> the node is shutdown
 kvm8                                                                7 Online
 kvm7                                                                8 Online
 kvm9                                                                9 Online
 kvm10                                                              10 Online
 kvm11                                                              11 Online, Local
 kvm12                                                              12 Online


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

De: "Alexandre DERUMIER" <aderumier at odiso.com> 
À: "Dietmar Maurer" <dietmar at proxmox.com> 
Cc: pve-devel at pve.proxmox.com 
Envoyé: Dimanche 14 Septembre 2014 10:10:01 
Objet: Re: [pve-devel] corosync problems - need help 

>>I meant: Is it read-only on all nodes? 

Yes :( 

>>If you edit /etc/cluster/cluster.conf you need to increase version number to prevent overwrite. Then 
>>restart cman. 

Ok, I'll try that 

Seem that we can reload cluster.conf with "cman_tool version -r" 



>> >> (and /etc/init.d/cman stop is hanging) 
>> 
>>if nothing helps, try 'kill -9 ...' 

yes,it's hanging on 
#Stopping cluster: 
# Stopping dlm_controld... 

I'll test with increasing window_size. 

I'll keep you in touch. 

(thanks for the help) 


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

De: "Dietmar Maurer" <dietmar at proxmox.com> 
À: "Alexandre DERUMIER" <aderumier at odiso.com> 
Cc: pve-devel at pve.proxmox.com 
Envoyé: Dimanche 14 Septembre 2014 09:27:22 
Objet: RE: [pve-devel] corosync problems - need help 

> >> I would like to try to change corosync window_size, but how can I do it online 
> ? 
> > 
> >On all nodes? 

I meant: Is it read-only on all nodes? 
> 
> Yes, if possible. As I can't edit cluster.conf (read only), don't known how to inject 
> it online. 

If you edit /etc/cluster/cluster.conf you need to increase version number to prevent overwrite. Then 
restart cman. 

If there are still working nodes where /etc/pve is writable edit it there. 

> >> (and /etc/init.d/cman stop is hanging) 

if nothing helps, try 'kill -9 ...' 
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