[Pacemaker] The problem that a resource does not move by the monitor error of the clone.

[renayama19661014 at ybb.ne.jp]

Hi Andrew,

Thank you.
By your advice, the problem was solved.

Understanding for my "resource-stickiness" was insufficient.

Best Regards,
Hideo Yamauchi.


--- Andrew Beekhof <andrew at beekhof.net> wrote:

> On Thu, Jan 28, 2010 at 12:13 PM, Andrew Beekhof <andrew at beekhof.net> wrote:
> > 2010/1/19  <renayama19661014 at ybb.ne.jp>:
> >> Hi,
> >>
> >> Step1) It started in three nodes as follows.
> >>
> >> [root at srv01 ~]# crm_mon -1
> >> ============
> >> Last updated: Tue Jan 19 10:36:20 2010
> >> Stack: openais
> >> Current DC: srv01 - partition with quorum
> >> Version: 1.0.7-88fb53f1ea4988cf349ed5db259998eb1ab20b82
> >> 3 Nodes configured, 2 expected votes
> >> 2 Resources configured.
> >> ============
> >>
> >> Online: [ srv01 srv02 srv03 ]
> >>
> >>  Resource Group: UMgroup01
> >>     UmDummy01  (ocf::heartbeat:Dummy01):       Started srv01
> >>  Clone Set: clnUMgroup01
> >>     Started: [ srv01 srv03 ]
> >>
> >>
> >> Step2) The monitor error of the clone occurred three times.
> >>
> >> [root at srv01 ~]# crm_mon -1 -f
> >> ============
> >> Last updated: Tue Jan 19 10:39:00 2010
> >> Stack: openais
> >> Current DC: srv01 - partition with quorum
> >> Version: 1.0.7-88fb53f1ea4988cf349ed5db259998eb1ab20b82
> >> 3 Nodes configured, 2 expected votes
> >> 2 Resources configured.
> >> ============
> >>
> >> Online: [ srv01 srv02 srv03 ]
> >>
> >>  Resource Group: UMgroup01
> >>     UmDummy01  (ocf::heartbeat:Dummy01):       Started srv01
> >>  Clone Set: clnUMgroup01
> >>     Started: [ srv03 ]
> >>     Stopped: [ clnUmResource:0 ]
> >>
> >> Migration summary:
> >> * Node srv01:
> >>   clnUMdummy01:0: migration-threshold=3 fail-count=3
> >> * Node srv02:
> >> * Node srv03:
> >>
> >> Failed actions:
> >>    clnUMdummy01:0_monitor_10000 (node=srv01, call=13, rc=7, status=complete): not running
> >>
> >> Step3)I expected movement to srv03 of the UMgroup01 resource, but do not move.
> >
> > Agreed (sorry for the delay).
> > I'd have expected  clnUMdummy01:0 to be stopped and srv03 to be moved.
> 
> Sorry, I meant UMgroup01 not srv03.
> 
> >
> >>
> >> What will be a problem?
> >> Or is it a bug?
> >
> > Looks like a bug.  I'll take a look.
> >
> >> I attached hb_report and a transition file.
> 
> Config issue I'm afraid.
> 
> UMgroup01 only prefers the location of clnUMgroup01 with score 1000.
> But it prefers its current location with score INFINITY... so
> naturally it doesn't move when clnUMgroup01 does.
> 
> If resource-stickiness was less than 900 (stickiness -
> grp01-1-location + grp01-2-location), it would have moved.
> 
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