[PVE-User] Cluster HA withtou Fence Device !

Gilberto Nunes gilberto.nunes32 at gmail.com
Sat Jul 5 21:49:19 CEST 2014


WOW

Even with just 2 nodes HA works fine!!!!

I have tested some minutes ago...

Is there something improvement on HA Code??

I would like to know...

Thanks


2014-07-05 16:37 GMT-03:00 Gilberto Nunes <gilberto.nunes32 at gmail.com>:

> Hi
>
> Today I have deploy a tree node plus storage scenario in a lab.
> First at all, I image that I need configure fence device, as docs demand...
> So, I decide to use a MAnaged Switch (DLikn DES-3028).
> But, I realize that even without fence configuratio HA works properly and
> NICE, I might add..
>
> Here's the configuration:
>
> <?xml version="1.0"?>
> <cluster config_version="18" name="CLUSTER">
>   <cman expected_votes="3"
> keyfile="/var/lib/pve-cluster/corosync.authkey"/>
>    <quorumd allow_kill="0" interval="3" label="quorum" tko="10" votes="1">
>    <heuristic interval="3" program="ping 10.90.90.100 -c1 -w1" score="1"
> tko="4"/>
>    <heuristic interval="3" program="ip addr | grep eth0 | grep -q UP"
> score="2" tko="3"/>
>  </quorumd>
>  <totem token="54000"/>
>   <clusternodes>
>     <clusternode name="pve01" nodeid="1" votes="1">
>     </clusternode>
>     <clusternode name="pve02" nodeid="2" votes="1">
>     </clusternode>
>     <clusternode name="pve03" nodeid="3" votes="1">
>     </clusternode>
>   </clusternodes>
>   <rm>
>    <failoverdomains>
>      <failoverdomain name="serverfailover" ordered="1" restricted="0">
>        <failoverdomainnode name="pve1" priority="1"/>
>        <failoverdomainnode name="pve2" priority="2"/>
>        <failoverdomainnode name="pve3" priority="3"/>
>      </failoverdomain>
>    </failoverdomains>
>     <pvevm autostart="1" vmid="100"/>
>   </rm>
> </cluster>
>
>
> I always though that I need fence device in order to make HA work...
>
> Thanks
>
> --
> Gilberto Ferreira
>



-- 
Gilberto Ferreira
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