[Pacemaker] Cannot get "order" constraint to work.

Stratos Zolotas strzol at gmail.com
Wed Oct 14 10:31:09 EDT 2009 

If i change pacemaker version to "1" from "0" in the openais.conf, openais
is started without errors, but the crm cannot connect to cluster.

Which is the difference between "1" and "0" on the "ver" parameter of
pacemaker in the openais.con?

Does this mean something? (that openais starts ok).

On Wed, Oct 14, 2009 at 5:24 PM, Stratos Zolotas <strzol at gmail.com> wrote:

> Hi,
>
> cores are empty
>
> I think i'm on dead end......
>
> Thanks.
>
>
> On Wed, Oct 14, 2009 at 5:02 PM, Dejan Muhamedagic <dejanmm at fastmail.fm>wrote:
>
>> Hi,
>>
>> On Wed, Oct 14, 2009 at 04:39:05PM +0300, Stratos Zolotas wrote:
>> > Ok, I have installed latest version of pacemaker (1.0.5) from opensuse
>> > ha-clustering repo, but it is not working.
>> >
>> > I'm starting openais on the alpha node and i get a lot of messages. On
>> the
>> > bravo node openais fails to start.
>> >
>> > The same happens if i start the bravo node first, the on alpha it fails.
>> >
>> > Attached is my log. At least it doesn't segfault!
>> >
>> > I'm starting to get tired. And with pacamaker 1.0.1 my only problem was
>> the
>> > order constraint.
>> >
>> > I have also cleared all the configurations (cib.xml and others in
>> > /var/lib/heartbeat/crm) to start from scratch without success.
>> >
>> > Any help is appreciated. I'm feeling lost.
>>
>> Hmpf. All pacemaker processes start but leave without trace soon:
>>
>> Oct 14 16:22:44 alpha cib: [18888]: info: startCib: CIB Initialization
>> completed successfully
>> Oct 14 16:22:44 alpha cib: [18888]: info: crm_cluster_connect: Connecting
>> to OpenAIS
>> Oct 14 16:22:44 alpha cib: [18888]: info: init_ais_connection: Creating
>> connection to our AIS plugin
>>
>> That's the last we hear from cib. Unfortunately that's too little
>> to work on. Maybe they are segfaulting. Can you please check
>> again /var/lib/heartbeat/cores
>>
>> Perhaps somebody else has an idea on what's going on.
>>
>> THanks,
>>
>> Dejan
>>
>> > Thanks in advance.
>> >
>> > On Wed, Oct 14, 2009 at 3:21 PM, Stratos Zolotas <strzol at gmail.com>
>> wrote:
>> >
>> > > When i try to install pacemaker-1.0.5-4.1.x86_64 the system (opensuse
>> 11.1
>> > > x86_64) asks to downgrade heartbeat-common-2.99.3-1.6.x86_64 to
>> > > cluster-glue-1.0-12.1.x86_64.
>> > >
>> > > Is this ok and normal?
>> > >
>> > >
>> > > On Wed, Oct 14, 2009 at 3:09 PM, Stratos Zolotas <strzol at gmail.com>
>> wrote:
>> > >
>> > >> If you remember with the upgraded version pacemaker 1.0.5, i'm
>> getting
>> > >> segfaults on crmd.
>> > >>
>> > >> I will try it again. From which repo should i upgrade?
>> > >>
>> > >> Thanks.
>> > >>
>> > >>
>> > >> On Wed, Oct 14, 2009 at 3:06 PM, Dejan Muhamedagic <
>> dejanmm at fastmail.fm>wrote:
>> > >>
>> > >>> Hi,
>> > >>>
>> > >>> On Wed, Oct 14, 2009 at 01:47:08PM +0300, Stratos Zolotas wrote:
>> > >>> > Hi,
>> > >>> >
>> > >>> > all the packages are from the opensuse standard repos.
>> > >>> >
>> > >>> > alpha:/ # /usr/lib64/heartbeat/crmd version
>> > >>> > CRM Version: 1.0.1 (node:
>> 27be064e090742359bbdd1914f9d7dd363c8e0d8)
>> > >>> > alpha:/ #
>> > >>>
>> > >>> That's fairly old. Can you please upgrade.
>> > >>>
>> > >>> Thanks,
>> > >>>
>> > >>> Dejan
>> > >>>
>> > >>> > Thanks.
>> > >>> >
>> > >>> > On Wed, Oct 14, 2009 at 1:44 PM, Dejan Muhamedagic <
>> > >>> dejanmm at fastmail.fm>wrote:
>> > >>> >
>> > >>> > > Hi,
>> > >>> > >
>> > >>> > > On Wed, Oct 14, 2009 at 01:30:32PM +0300, Stratos Zolotas wrote:
>> > >>> > > > order mysql_after_drbd inf: ms_drbd_mysql:promote mysql:start
>> > >>> > > >
>> > >>> > > > is committed ok, but it doesn't show right in the
>> configuration:
>> > >>> > > >
>> > >>> > > > primitive fs_mysql ocf:heartbeat:Filesystem \
>> > >>> > > >         params device="/dev/drbd0" directory="/service/"
>> > >>> fstype="ext3"
>> > >>> > > > primitive ip_mysql ocf:heartbeat:IPaddr2 \
>> > >>> > > >         params ip="192.168.1.72" nic="eth2:0"
>> > >>> > > > primitive mysqld lsb:mysql
>> > >>> > > > primitive apache lsb:apache2
>> > >>> > > > primitive drbd_mysql ocf:linbit:drbd \
>> > >>> > > >         params drbd_resource="r0" \
>> > >>> > > >         operations $id="drbd_mysql-ops" \
>> > >>> > > >         op monitor interval="15s"
>> > >>> > > > group mysql fs_mysql ip_mysql mysqld apache
>> > >>> > > > ms ms_drbd_mysql drbd_mysql \
>> > >>> > > >         meta master-max="1" master-node-max="1" clone-max="2"
>> > >>> > > > clone-node-max="1" notify="true"
>> > >>> > > > colocation mysql_on_drbd INFINITY: mysql ms_drbd_mysql:Master
>> > >>> > > > order mysql_after_drbd INFINITY:
>> > >>> > >
>> > >>> > > Funny. I've never seen this :)
>> > >>> > >
>> > >>> > > > property $id="cib-bootstrap-options" \
>> > >>> > > >         dc-version="1.0.1-node:
>> > >>> 27be064e090742359bbdd1914f9d7dd363c8e0d8"
>> > >>> > > \
>> > >>> > >
>> > >>> > > Which version do you run? See with /usr/lib/heartbeat/crmd
>> version.
>> > >>> > >
>> > >>> > > Thanks,
>> > >>> > >
>> > >>> > > Dejan
>> > >>> > >
>> > >>> > > >         no-quorum-policy="ignore" \
>> > >>> > > >         stonith-enabled="false" \
>> > >>> > > >         default-resource-stickiness="1000"
>> > >>> > > >
>> > >>> > > > And if i exit crm and enter again i get:
>> > >>> > > >
>> > >>> > > > alpha:/ # crm
>> > >>> > > > crm(live)# configure
>> > >>> > > > ERROR: syntax : order mysql_after_drbd INFINITY:
>> > >>> > > > crm(live)configure# show
>> > >>> > > > ERROR: object mysql_after_drbd cannot be represented in the
>> CLI
>> > >>> notation
>> > >>> > > > crm(live)configure#
>> > >>> > > >
>> > >>> > > > I'm attaching my log.
>> > >>> > > >
>> > >>> > > > Thanks.
>> > >>> > > >
>> > >>> > > > On Wed, Oct 14, 2009 at 1:21 PM, Dejan Muhamedagic <
>> > >>> dejanmm at fastmail.fm
>> > >>> > > >wrote:
>> > >>> > > >
>> > >>> > > > > Hi,
>> > >>> > > > >
>> > >>> > > > > On Wed, Oct 14, 2009 at 12:13:42PM +0200, Johan Verrept
>> wrote:
>> > >>> > > > > > Sorry, I missed that. Was already wondering why the error
>> was
>> > >>> so
>> > >>> > > > > > cryptic.
>> > >>> > > > > >
>> > >>> > > > > > It is definatly possible, I use it myself:
>> > >>> > > > > >
>> > >>> > > > > > order drbd-before-master-group inf: ms-drbd0:promote
>> > >>> > > master-group:start
>> > >>> > > > > >
>> > >>> > > > > > And master-group is a group with 3 primitives.
>> > >>> > > > > >
>> > >>> > > > > > Maybe try the inf: instead of the mandatory: ?
>> > >>> > > > >
>> > >>> > > > > Maybe, that's equal, though mandatory should work fine as
>> well.
>> > >>> > > > >
>> > >>> > > > > The only way to figure out what's going on is to take a look
>> at
>> > >>> > > > > the logs.
>> > >>> > > > >
>> > >>> > > > > Thanks,
>> > >>> > > > >
>> > >>> > > > > Dejan
>> > >>> > > > >
>> > >>> > > > > > FYI, I am on pacemaker 1.0.5.
>> > >>> > > > > >
>> > >>> > > > > >       J.
>> > >>> > > > > >
>> > >>> > > > > > On Wed, 2009-10-14 at 13:11 +0300, Stratos Zolotas wrote:
>> > >>> > > > > > > As you can see in the config, I have a group named mysql
>> that
>> > >>> > > includes
>> > >>> > > > > > > fs_mysql, ip_mysql, mysqld, apache primitives.
>> > >>> > > > > > >
>> > >>> > > > > > > The expecting result is to start this group after
>> > >>> ms_drbd_mysql is
>> > >>> > > > > > > promoted to one of the nodes.
>> > >>> > > > > > >
>> > >>> > > > > > > Is this wrong? Should I try a different approach?
>> > >>> > > > > > >
>> > >>> > > > > > > Stratos.
>> > >>> > > > > > >
>> > >>> > > > > > > On Wed, Oct 14, 2009 at 1:02 PM, Johan Verrept <
>> > >>> > > Johan.Verrept at able.be>
>> > >>> > > > > > > wrote:
>> > >>> > > > > > >         I don't know if it is your only problem but in
>> the
>> > >>> order
>> > >>> > > you
>> > >>> > > > > > >         refer to
>> > >>> > > > > > >         primitive "mysql" while in your configuration
>> you
>> > >>> have
>> > >>> > > > > > >         primitive
>> > >>> > > > > > >         "mysqld". Note the "d".
>> > >>> > > > > > >         Other than that, the order constraint looks like
>> > >>> mine.
>> > >>> > > > > > >
>> > >>> > > > > > >                J.
>> > >>> > > > > > >
>> > >>> > > > > > >
>> > >>> > > > > > >         On Wed, 2009-10-14 at 12:59 +0300, Stratos
>> Zolotas
>> > >>> wrote:
>> > >>> > > > > > >         > Hello again.
>> > >>> > > > > > >         >
>> > >>> > > > > > >         > After struggling with the latest versions, i
>> > >>> decided to
>> > >>> > > try
>> > >>> > > > > > >         with the
>> > >>> > > > > > >         > versions in the standard opesuse repos, that
>> means:
>> > >>> > > > > > >         >
>> > >>> > > > > > >         > openais 0.80.3
>> > >>> > > > > > >         > libopenais2 0.80.3
>> > >>> > > > > > >         > pacemaker 1.0.1
>> > >>> > > > > > >         > libpacemaker3 1.0.1
>> > >>> > > > > > >         > heartbeat 2.99.3
>> > >>> > > > > > >         > heartbeat-common 2.99.3
>> > >>> > > > > > >         > heartbeat-resources 2.99.3
>> > >>> > > > > > >         > libheartbeat2 2.99.3
>> > >>> > > > > > >         > OpenIPMI 2.0.14
>> > >>> > > > > > >         >
>> > >>> > > > > > >         > It seems to work ok, the nodes are
>> communicating
>> > >>> and i
>> > >>> > > can
>> > >>> > > > > > >         connect to
>> > >>> > > > > > >         > cib and create configuration, but i cannot
>> > >>> configure an
>> > >>> > > > > > >         order
>> > >>> > > > > > >         > constraint in the configuration file.
>> > >>> > > > > > >         >
>> > >>> > > > > > >         > I try this:
>> > >>> > > > > > >         >
>> > >>> > > > > > >         > order mysql_after_drbd mandatory:
>> > >>> ms_drbd_mysql:promote
>> > >>> > > > > > >         mysql:start
>> > >>> > > > > > >         >
>> > >>> > > > > > >         > But when i try to commit i get:
>> > >>> > > > > > >         >
>> > >>> > > > > > >         > Call cib_create failed (-47): Update does not
>> > >>> conform to
>> > >>> > > the
>> > >>> > > > > > >         > configured schema/DTD
>> > >>> > > > > > >         > <null>
>> > >>> > > > > > >         > ERROR: could not create mysql_after_drbd
>> > >>> > > > > > >         > offending xml: <rsc_order
>> first="ms_drbd_mysql"
>> > >>> > > > > > >         first-action="promote"
>> > >>> > > > > > >         > id="mysql_after_drbd" score="inf" then="mysql"
>> > >>> > > > > > >         then-action="start"/>
>> > >>> > > > > > >         >
>> > >>> > > > > > >         > Am I doing something wrong?
>> > >>> > > > > > >         >
>> > >>> > > > > > >         > The rest of the configuration is accepted and
>> is:
>> > >>> > > > > > >         >
>> > >>> > > > > > >         > primitive fs_mysql ocf:heartbeat:Filesystem \
>> > >>> > > > > > >         >         params device="/dev/drbd0"
>> > >>> directory="/service/"
>> > >>> > > > > > >         fstype="ext3"
>> > >>> > > > > > >         > primitive ip_mysql ocf:heartbeat:IPaddr2 \
>> > >>> > > > > > >         >         params ip="192.168.1.72" nic="eth2:0"
>> > >>> > > > > > >         > primitive mysqld lsb:mysql
>> > >>> > > > > > >         > primitive apache lsb:apache2
>> > >>> > > > > > >         > primitive drbd_mysql ocf:linbit:drbd \
>> > >>> > > > > > >         >         params drbd_resource="r0" \
>> > >>> > > > > > >         >         operations $id="drbd_mysql-ops" \
>> > >>> > > > > > >         >         op monitor interval="15s"
>> > >>> > > > > > >         > group mysql fs_mysql ip_mysql mysqld apache
>> > >>> > > > > > >         > ms ms_drbd_mysql drbd_mysql \
>> > >>> > > > > > >         >         meta master-max="1"
>> master-node-max="1"
>> > >>> > > > > > >         clone-max="2"
>> > >>> > > > > > >         > clone-node-max="1" notify="true"
>> > >>> > > > > > >         > colocation mysql_on_drbd INFINITY: mysql
>> > >>> > > > > > >         ms_drbd_mysql:Master
>> > >>> > > > > > >         > property $id="cib-bootstrap-options" \
>> > >>> > > > > > >         >         dc-version="1.0.1-node:
>> > >>> > > > > > >         > 27be064e090742359bbdd1914f9d7dd363c8e0d8" \
>> > >>> > > > > > >         >         no-quorum-policy="ignore" \
>> > >>> > > > > > >         >         stonith-enabled="false" \
>> > >>> > > > > > >         >         default-resource-stickiness="1000"
>> > >>> > > > > > >         >
>> > >>> > > > > > >         > Thanks in advance
>> > >>> > > > > > >         >
>> > >>> > > > > > >         > Stratos.
>> > >>> > > > > > >         >
>> > >>> > > > > > >
>> > >>> > > > > > >         >
>> _______________________________________________
>> > >>> > > > > > >         > Pacemaker mailing list
>> > >>> > > > > > >         > Pacemaker at oss.clusterlabs.org
>> > >>> > > > > > >         >
>> > >>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>> > >>> > > > > > >
>> > >>> > > > > > >
>> > >>> > > > > > >         _______________________________________________
>> > >>> > > > > > >         Pacemaker mailing list
>> > >>> > > > > > >         Pacemaker at oss.clusterlabs.org
>> > >>> > > > > > >
>> > >>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>> > >>> > > > > > >
>> > >>> > > > > > >
>> > >>> > > > > > >
>> > >>> > > > > > > --
>> > >>> > > > > > > Kernel IT Solutions Ltd
>> > >>> > > > > > > http://www.kernelit.gr
>> > >>> > > > > > >
>> > >>> > > > > > > Cyclades Wireless Network
>> > >>> > > > > > > http://www.cywn.gr
>> > >>> > > > > > > _______________________________________________
>> > >>> > > > > > > Pacemaker mailing list
>> > >>> > > > > > > Pacemaker at oss.clusterlabs.org
>> > >>> > > > > > > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>> > >>> > > > > >
>> > >>> > > > > >
>> > >>> > > > > > _______________________________________________
>> > >>> > > > > > Pacemaker mailing list
>> > >>> > > > > > Pacemaker at oss.clusterlabs.org
>> > >>> > > > > > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>> > >>> > > > >
>> > >>> > > > > _______________________________________________
>> > >>> > > > > Pacemaker mailing list
>> > >>> > > > > Pacemaker at oss.clusterlabs.org
>> > >>> > > > > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>> > >>> > > > >
>> > >>> > > >
>> > >>> > > >
>> > >>> > > >
>> > >>> > > > --
>> > >>> > > > Kernel IT Solutions Ltd
>> > >>> > > > http://www.kernelit.gr
>> > >>> > > >
>> > >>> > > > Cyclades Wireless Network
>> > >>> > > > http://www.cywn.gr
>> > >>> > >
>> > >>> > >
>> > >>> > > > _______________________________________________
>> > >>> > > > Pacemaker mailing list
>> > >>> > > > Pacemaker at oss.clusterlabs.org
>> > >>> > > > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>> > >>> > >
>> > >>> > >
>> > >>> > > _______________________________________________
>> > >>> > > Pacemaker mailing list
>> > >>> > > Pacemaker at oss.clusterlabs.org
>> > >>> > > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>> > >>> > >
>> > >>>
>> > >>> > _______________________________________________
>> > >>> > Pacemaker mailing list
>> > >>> > Pacemaker at oss.clusterlabs.org
>> > >>> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>> > >>>
>> > >>>
>> > >>> _______________________________________________
>> > >>> Pacemaker mailing list
>> > >>> Pacemaker at oss.clusterlabs.org
>> > >>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>> > >>>
>> > >>
>> > >>
>> > >
>>
>>
>> > _______________________________________________
>> > Pacemaker mailing list
>> > Pacemaker at oss.clusterlabs.org
>> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>
>>
>> _______________________________________________
>> Pacemaker mailing list
>> Pacemaker at oss.clusterlabs.org
>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>
>
>
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