[Pacemaker] [Problem]A monitor of Master stops when crm command repeat the movement of the resource.

[renayama19661014 at ybb.ne.jp]

Hi All,

In the first place lrmd does not return the result of the cancellation request that made pending.

However, a result of the cancellation is necessary for crmd.

Will not the following correction be necessary?
(The correction does not consider errors properly; is temporary.)

example : 
(snip)
        if (!op->is_cancelled) {
                if( !record_op_completion(rsc,op) ) { /*record the outcome of the op */
                        if (op->interval) /* copy op to the repeat list */
                                to_repeatlist(rsc,op);
                }
        } else {
ha_msg_mod_int(op->msg,F_LRM_OPSTATUS,(int)LRM_OP_CANCELLED);　--->append
op_status = LRM_OP_CANCELLED;　--->append
                remove_op_history(op);
        }
(snip)



Best Regards,
Hideo Yamauchi.


--- On Wed, 2011/11/9, renayama19661014 at ybb.ne.jp <renayama19661014 at ybb.ne.jp> wrote:

> Hi All,
> 
> This phenomenon sometimes produced even 1.0.10.
> 
> The cause seems to be to have performed pending of the cancellation of the monitor lrmd.
> Therefore, the active information of the monitor is left in the inside of cib.
> 
> Best Regards,
> Hideo Yamauchi.
> 
> --- On Tue, 2011/11/8, renayama19661014 at ybb.ne.jp <renayama19661014 at ybb.ne.jp> wrote:
> 
> > Hi All,
> > 
> > 
> > We tested the movement of the resource in Master/Slave.
> > 
> > ============
> > Last updated: Tue Nov  8 14:12:23 2011
> > Stack: Heartbeat
> > Current DC: bl460g1b (1b34eec8-1d62-488b-a7fb-8e4b38f95ec3) - partition with quorum
> > Version: 1.0.11-9af47ddebcad19e35a61b2a20301dc038018e8e8
> > 2 Nodes configured, unknown expected votes
> > 3 Resources configured.
> > ============
> > 
> > Online: [ bl460g1a bl460g1b ]
> > 
> >  Resource Group: master-group
> >      vip-master (ocf::heartbeat:Dummy): Started bl460g1a
> >      vip-rep    (ocf::heartbeat:Dummy): Started bl460g1a
> >  Master/Slave Set: msPostgresql
> >      Masters: [ bl460g1a ]
> >      Slaves: [ bl460g1b ]
> >  Clone Set: clnPingCheck
> >      Started: [ bl460g1a bl460g1b ]
> > 
> > Migration summary:
> > * Node bl460g1b: 
> > * Node bl460g1a: 
> > 
> > 
> > I change monitor handling of Stateful RA.
> > (snip)
> > stateful_monitor() {
> > echo "Stateful monitor" >> /tmp/test.log
> >     stateful_check_state "master"
> > (snip)
> > 
> > I repeat movement in the following script.
> > 
> > #!/bin/sh
> > i=1
> > while [ 1 ]; do
> >   echo "##############################" >> /tmp/test.log
> >   echo "move $i"
> >   crm resource move vip-rep
> >   echo "sleep"
> >   sleep 60
> >   crm resource unmove vip-rep
> >   i=`expr $i + 1`
> > done;
> > 
> > 
> > The phenomenon that a monitor of Master is not carried out occurs when I repeat movement in a script for a while.
> > (A problem reappears at considerable frequency when it continues carrying away a script.)
> > 
> > 
> > This problem seems to happen in both 1.0 most recent versions and 1.0.11 version.
> > 
> >  * Pacemaker-1-0-9af47ddebcad
> >  * Pacemaker-1-0-6e010d6b0d49 
> > 
> > 
> > A stop of the monitors is a problem very much.
> > I request improvement.
> > 
> > I register these contents and hb_report with Bugzilla.
> > 
> >  * http://bugs.clusterlabs.org/show_bug.cgi?id=5010
> > 
> > 
> > Best Regards,
> > Hideo Yamauchi.
> > 
> > _______________________________________________
> > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> > 
> > Project Home: http://www.clusterlabs.org
> > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
> > 
> 
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> 
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>