[ClusterLabs] SLES 12 SP2 HAE

[bliu]

Hi, Cristiano
       pacemaker only get the cluster name from corosync on the first 
initialize. Then it will store the name in cib.
even you change the culster name in corosync.conf, pacemaker will not 
update it.

On 04/06/2017 04:16 PM, Cristiano Coltro wrote:
>
> HI Zhen & Ulrich
>
> I have tried to duplicate the issue but I wasn't able to reproduce.
>
> Corosync is updated all the time
>
> So I will not open any bug for the moment.
>
> _I'm sorry for the wrong heads up!_
>
> What is sure is that crm resource show do not reflect dinamically the 
> cluster name.
>
> It is written ONLY during ha-cluster-init.
>
> If you change the cluster name while cluster is initialized you have 
> to change it manually with crm configure edit
>
> Is this working as designed?
>
> Thanks,
>
> Cristiano
>
> Cristiano Coltro
>
> Premium Support Engineer
>
> mail: cristiano.coltro at microfocus.com
>
> mobile: +39 335 1435589
>
> phone +39 02 36634936
>
> ______________
>
> -----Original Message-----
>
> From: Zhen Ren
>
> Sent: Thursday, April 6, 2017 4:01 AM
>
> To: Cluster Labs - All topics related to open-source clustering 
> welcomed <users at clusterlabs.org>; Cristiano Coltro 
> <Cristiano.Coltro at microfocus.com>
>
> Subject: Re: [ClusterLabs] SLES 12 SP2 HAE
>
> Hi Cristiano,
>
> Thanks for your report. I suggest you file a bug for this at 
> https://bugzilla.suse.com so that it can be routed to the right person 
> quickly.
>
> On 04/05/2017 03:26 PM, Cristiano Coltro wrote:
>
> > Hi all,
>
> > I was noticing some behaviour on SLES 12 Sp2 HAE
>
> >
>
> >
>
> >    1.  Cluster Name
>
> > If you go to yast2 > cluster and you change the cluster name, the 
> change is not reflected in /etc/corosync/corosync.conf  that shows the 
> default name "hacluster"
>
> >
>
> >    1.  Expected votes
>
> > With a 2 node cluster you have the corosync.conf configured like 
> this for the quorum section:
>
> >
>
> >         provider: corosync_votequorum
>
> >          expected_votes: 2
>
> >          two_node: 1
>
> >
>
> > and it's correct
>
> >
>
> > If for some reason you redo an "ha-cluster-init"on the same first node
>
> > WITHOUT overwriting the corosync.conf and then you perform an
>
> > "ha-cluster-join" on the second node the corosync.conf changes like
>
> > this
>
> >
>
> >        provider: corosync_votequorum
>
> >          expected_votes: 3
>
> >          two_node: 0
>
> >
>
> >                  so it seems that cluster do not check the number of 
> nodes but simply add a +1 every join you perform IF you DON'T 
> overwrite the original corosync.conf.
>
> >
>
> > Are 1 & 2 expected behaviour? Any experience on that?
>
> It's probably a bug to fix, I think, so don't mix yast and HA 
> bootstrap scripts to setup your cluster ATM:)
>
> Regards,
>
> Eric
>
> >
>
> > Thanks,
>
> > Cristiano
>
> >
>
> >
>
> > Cristiano Coltro
>
> > Premium Support Engineer
>
> >
>
> > mail:
>
> > cristiano.coltro at microfocus.com<mailto:cristiano.coltro at microfocus.com
>
> > >
>
> > mobile: +39 335 1435589
>
> > phone +39 02 36634936
>
> > ______________
>
> > [microfocus-logo]
>
> >
>
> >
>
> >
>
> >
>
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