[Pacemaker] [Question] About control of colocation.(master-slave with primitive)

[renayama19661014 at ybb.ne.jp]

Hi Andrew,

Thank you for comments.

> > We do not want to be promoted to Master in the node that primitive resource does not start.
> > Is there the setting of colocation and order which are not promoted to Master of the Master node?
> 
> Your config looks reasonable... almost certainly a bug in the PE.
> Do you happen to have the relevant pengine input file available?

Really?
It was like right handling of PE as far as I confirmed a source code of PM1.1.
I register this problem with Bugzilla and contact you.

Best Regards,
Hideo Yamauchi.

--- On Wed, 2014/5/14, Andrew Beekhof <andrew at beekhof.net> wrote:

> 
> On 13 May 2014, at 3:14 pm, renayama19661014 at ybb.ne.jp wrote:
> 
> > Hi All,
> > 
> > We assume special resource constitution.
> > Master of master-slave depends on primitive resource for the constitution.
> > 
> > We performed the setting that Master stopped becoming it in Slave node experimentally.
> > 
> > 
> >   location rsc_location-msStateful-1 msPostgresql \
> >        rule $role="master" 200: #uname eq srv01 \
> >        rule $role="master" -INFINITY: #uname eq srv02
> > 
> > The Master resource depends on the primitive resource.
> > 
> >   colocation rsc_colocation-master-1 INFINITY: msPostgresql:Master A-master
> > 
> > 
> > Step1) Start Slave node.
> > -----------------------------------------------------------
> > [root at srv02 ~]# crm_mon -1 -Af
> > Last updated: Tue May 13 22:28:12 2014
> > Last change: Tue May 13 22:28:07 2014
> > Stack: corosync
> > Current DC: srv02 (3232238190) - partition WITHOUT quorum
> > Version: 1.1.11-f0f09b8
> > 1 Nodes configured
> > 3 Resources configured
> > 
> > 
> > Online: [ srv02 ]
> > 
> > A-master     (ocf::heartbeat:Dummy): Started srv02 
> > Master/Slave Set: msPostgresql [pgsql]
> >     Slaves: [ srv02 ]
> > 
> > Node Attributes:
> > * Node srv02:
> >    + master-pgsql                      : 5         
> > 
> > Migration summary:
> > * Node srv02: 
> > -----------------------------------------------------------
> > 
> > Step2) Start Master node.
> > -----------------------------------------------------------
> > [root at srv02 ~]# crm_mon -1 -Af
> > Last updated: Tue May 13 22:33:39 2014
> > Last change: Tue May 13 22:28:07 2014
> > Stack: corosync
> > Current DC: srv02 (3232238190) - partition with quorum
> > Version: 1.1.11-f0f09b8
> > 2 Nodes configured
> > 3 Resources configured
> > 
> > 
> > Online: [ srv01 srv02 ]
> > 
> > A-master     (ocf::heartbeat:Dummy): Started srv02 
> > Master/Slave Set: msPostgresql [pgsql]
> >     Masters: [ srv01 ]
> >     Slaves: [ srv02 ]
> > 
> > Node Attributes:
> > * Node srv01:
> >    + master-pgsql                      : 10        
> > * Node srv02:
> >    + master-pgsql                      : 5         
> > 
> > Migration summary:
> > * Node srv02: 
> > * Node srv01: 
> > -----------------------------------------------------------
> > 
> > * The Master node that primitive node does not start becomes Master.
> > 
> > 
> > We do not want to be promoted to Master in the node that primitive resource does not start.
> > Is there the setting of colocation and order which are not promoted to Master of the Master node?
> 
> Your config looks reasonable... almost certainly a bug in the PE.
> Do you happen to have the relevant pengine input file available?
> 
> > 
> > I think that one method includes the next method.
> >  * I handle it to update an attribute when primitive resource starts.
> >  * I write an attribute in the condition to be promoted to Master.
> > 
> > 
> > In addition, we are often confused about control of colotaion and order.
> > It is in particular the control between primitive/group resource and clone/master-slave resources.
> > Will you describe detailed contents in a document?
> > 
> > 
> > Best Regards,
> > Hideo Yamauchi.
> > 
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> > 
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> 
>