Re: qdiskd master election and loss of quorum

[Alain RICHARD <alain.richard@xxxxxxxxxxx>]

Le 2 nov. 2009 à 20:06, Lon Hohberger a écrit :

On Mon, 2009-11-02 at 17:59 +0100, Alain RICHARD wrote:

I am currently using a n nodes configuration with a qdiskd process to

sustain a n-1 node failure.

The simplest case is a two node :

<cluster config_version="79" name="xxx">

       <totem token="42000"/>

       <clusternodes>

       <cman expected_votes="3" two_node="0"/>

Add 'quorum_dev_poll="42000' to the cman tag.

-- Lon

I just found out a note describing this parameter :

http://kbase.redhat.com/faq/docs/DOC-2882

but It seams to deals with problems with multipath and cman interraction on one node. My problem seams to be a little bit different : I do stop qdisk and cman on node 1, and this triggers a temporary loss of quorum on the node 2.

I will try this parameter to see if I reproduce the problem.

Regards,

PS: what is the default value for this parameter ?

-- 

Alain RICHARD <mailto:alain.richard@xxxxxxxxxxx>

EQUATION SA <http://www.equation.fr/>

Tel : +33 477 79 48 00     Fax : +33 477 79 48 01

E-Liance, Opérateur des entreprises et collectivités,

Liaisons Fibre optique, SDSL et ADSL <http://www.e-liance.fr>

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