[Pacemaker] the better class plugin for a service?

[Ivan Coronado]

Can some one tell me where I can find information about
primitive/resource classes? 
 
If I have to select between two plugins like lsb:postgres or
heartbeat:pgsql, how can i Know what is the better choice? In this case,
I think the better class plugin is lsb, but, in others?
 
thanks
 
Ivan Coronado
IT Manager
EPCGE S.A.
943 82 00 10
icoronado at epcge.com <blocked::mailto:icoronado at epcge.com> 
 
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