[Pacemaker] Cannot get "order" constraint to work.
Dejan Muhamedagic
dejanmm at fastmail.fm
Wed Oct 14 06:44:43 EDT 2009
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.
> > > > >
> > > >
> > > > > _______________________________________________
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> > > >
> > > >
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