[Pacemaker] Group not started/stopped in correct order with -INF collocation

[Florian Haas]

On 2011-05-31 14:05, Kulovits Christian - OS ITSC wrote:
> Hello,
> 
> In a 2-node cluster two groups (prod, test) are defined with a
> collocation score=“-INFINITY“. When the node running the group prod
> failed, the test group on the other node was stopped and the prod group
> was started. After the failed node was online again, the prod group was
> moved to the other node. BUT the test group was first started, then the
> prod group was stopped and started on the other node. There was a very
> short time where both groups were active on the same node. We use a RA
> to set the home directory for some users, and so the path gets first set
> and then unset by this sequence. There is no order defined between these
> groups to enable parallel starts on different nodes.
> 
> Is this a definition problem or a bug. Nevertheless this behavior looks
> strange for me!

Version information would be tremendously helpful, as would an hb_report
tarball uploaded to Dropbox or any other publicly accessible location.

Cheers,
Florian

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