[pve-devel] ha cluster with dell servers and drac fencing config + some remarks

Alexandre DERUMIER aderumier at odiso.com
Mon Jan 30 08:08:44 CET 2012


Yes no problem, 
I think i didn't have write access to this wiki page ;) 


I'll write it today ! 



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

De: "Martin Maurer" <martin at proxmox.com> 
À: pve-devel at pve.proxmox.com 
Envoyé: Dimanche 29 Janvier 2012 19:27:14 
Objet: Re: [pve-devel] ha cluster with dell servers and drac fencing config + some remarks 

Hi Alexandre, 

thanks for testing this, can you add the drac config in the wiki? 
http://pve.proxmox.com/wiki/Fencing 

would be great, 
thx 

Martin 

> -----Original Message----- 
> From: pve-devel-bounces at pve.proxmox.com [mailto:pve-devel- 
> bounces at pve.proxmox.com] On Behalf Of Alexandre DERUMIER 
> Sent: Samstag, 14. Jänner 2012 14:40 
> To: pve-devel at pve.proxmox.com 
> Subject: [pve-devel] ha cluster with dell servers and drac fencing config + 
> some remarks 
> 
> Hi, I have finished to test ha cluster with dell servers and drac card as fencing 
> devices. 
> It's working great (and it's easy) ! 
> 
> Fencing works with drac card (tested with drac5, but it must work with drac6 
> with same syntax), through ssh.(enabled by default on drac card) 
> 
> Here the config. 
> 
> 
> <fencedevices> 
> <fencedevice agent="fence_drac5" ipaddr="X.X.X.X" login="root" 
> name="node1-drac" passwd="XXXX" secure="1"/> 
> <fencedevice agent="fence_drac5" ipaddr="X.X.X.X" login="root" 
> name="node2-drac" passwd="XXXX" secure="1"/> 
> <fencedevice agent="fence_drac5" ipaddr="X.X.X.X" login="root" 
> name="node3-drac" passwd="XXXX" secure="1"/> 
> </fencedevices> 
> <clusternodes> 
> <clusternode name="node1" nodeid="1" votes="1"> 
> <fence> 
> <method name="1"> 
> <device name="node1-drac"/> 
> </method> 
> </fence> 
> </clusternode> 
> <clusternode name="node2" nodeid="2" votes="1"> 
> <fence> 
> <method name="1"> 
> <device name="node2-drac"/> 
> </method> 
> </fence> 
> </clusternode> 
> <clusternode name="node3" nodeid="3" votes="1"> 
> <fence> 
> <method name="1"> 
> <device name="node3-drac"/> 
> </method> 
> </fence> 
> </clusternode> 
> </clusternodes> 
> 
> 
> 
> 
> Some remarks about HA : 
> 
> 1) 
> 
> It would by great to fence manually a dead node with pve-manager, if 
> something goes wrong with fencing device or for users without fencing 
> devices. 
> I can be done with command : "fence_ack_manual deadnodename" 
> 
> So maybe add a right click option on a dead node,to manually fence it. 
> 
> 
> 2) 
> 
> If I stop manually a vm managed by ha. (for maintenance by exemple, or 
> maybe if don't need to have it started all the day), the node is restarted by 
> HA automatically. I could be great if we could really stop it without remove 
> the vm from ha management. 
> 
> 
> 3) 
> Not related to HA, but if a node goes down, we can't restart or move the vms 
> manually on another node (with pve-manager). 
> 
> 
> 
> 
> 
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-- 




	
	Alexandre Derumier 
Ingénieur système 
e-mail : aderumier at odiso.com 
Tél : +33 (0)3 20 68 88 90 
Fax : +33 (0)3 20 68 90 81 
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