[Linux-HA] one resource defines as group starts twice

Max Hofer max.hofer at apus.co.at
Fri Sep 21 05:12:24 MDT 2007


On Friday 21 September 2007, Junko IKEDA wrote:
> > but generally speaking, it is not an bug to send a start action to an
> > already started resource (this is required to succeed by the LSB and
> > OCF spec's)
> >
> > and in fact it is something that we need to take advantage of for
> > groups and clones
>
> I'm not sure if it's an essential or not but...
> noticed the following things;
> If the all resources defined as a group can start in unison,
> any resources won't start again.
>
> when I saw a log message like this, Dummy01 started again.
>
> group_print: Resource Group: grpDummy01
> native_print:     Dummy01      (heartbeat::ocf:Dummy): Started prec370d
> native_print:     Dummy02      (heartbeat::ocf:Dummy): Stopped
> native_print:     Dummy03      (heartbeat::ocf:Dummy): Stopped
>
> It seemed that grpDummy01 haven't started yet then.
> but grpDummy01_start was prerequisite for Dummy01_start,
> so Dummy01_start might be called again after grpDummy01_start.
> If grpDummy01_start (start action for the group resource? group body??) can
> start before Dummy01,
> it might work well.
Per defintiion a start on a started resource must be OK.

The same goes for stop on stopped resource.

This behaviour was implemenet because some conditions needed a start of all 
resources from the beginning.


>
> > > The attached logs are cib.xml, ha-debug, bz2 file, and results of
> > > ptest. I also posted this to bugzilla #1709
> >
> > ok, i'll follow up there
>
> Thanks a lot.
> It was a duplicated bug to #1648.
> I would appreciate if its severity is increased higher.
>
> Thanks,
> Junko
>
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> See also: http://linux-ha.org/ReportingProblems



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Max Hofer
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