[Linux-cluster] validity error

Christine Caulfield ccaulfie at redhat.com
Fri Dec 11 10:24:49 UTC 2009

On 11/12/09 10:21, Kaloyan Kovachev wrote:
> On Fri, 11 Dec 2009 09:58:38 +0000, Christine Caulfield wrote
>> On 11/12/09 09:48, Kaloyan Kovachev wrote:
>>> On Thu, 10 Dec 2009 16:12:33 +0000, Christine Caulfield wrote
>>>> On 10/12/09 15:27, Kaloyan Kovachev wrote:
>>>>> Hello,
>>>>>     after upgrading to 3.0.6 i get:
>>>>> Starting cman... Relax-NG validity error : Extra element cman in interleave
>>>>> but cluster.conf should be correct and was working so far without problems.
>>>>> The coresponding section in<cluster>    is:
>>>>> <cman expected_votes="7">
>>>>>       <multicast addr="" keyfile="/etc/cluster/cman_authkey"/>
>>>>> </cman>
>>>>> how should i change it to pass the validity check?
>>>> Remove the keyfile="" attribute. cman ignores it anyway :-)
>>> I am sure it was working with RHCM v2, so it seems i will need to rewrite the
>>> config for V3, as i get another error now about specifying multicast interface
>>> for clusternode and there will be others for sure
>> Yes, it would work fine under v2. In fact it's working now - you're just
>> getting a warning message (I hope!). We have added a lot more checks to
>> the configuration to try and help invalid configurations from being run
>> and causing trouble.
> when starting the cluster i get just warnings, but updating the config and
> using cman_tool version -r cman doesn't reload it, so i am forced to fix my
> errors :)
>>>> If you need to specify an encrpytion key it should go into the<totem>
>>>> part of cluster.conf.
>>> looking at cluster.rng keyfile is valid for the cman block. May i just move it
>>> there or i should create<totem>
>> I would just remove it. It's not doing anything, so if you move it to
>> <totem>  you will change the encryption key used by the cluster and have
>> to reboot all your nodes to get them communicating again.
> The cluster is not a production one, so it is OK and am looking for the
> correct end result. My question was actually 'Is encription key valid/used
> only from<totem>  section or in<cman>  too as described in cluster.rng file'.
> Multicast and keyfile are present in both<cman>  and<totem>  ... i guess
> <totem>  is the preferred one for future compatibility?

Confusingly, multicast must be part of <cman> and keyfile should be part 
of <totem>.

That's just how it is, sorry ;-)


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