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[Linux-cluster] N+M support ?



Hi,
 
Suppose I have 3 services running on 5 nodes.  Each node can run only 1 service, 2 nodes are reserved for failover.
 
It is easy to configure rgmanager to cope with the first service node failure by including the 2 failover nodes in the failover domain for each service.   
 
However, is it possible to configure rgmanager such that on a second failure, only the failover node that is not currently running a service is considered for use ?  
 
Further, that if a third failure occurs, the affected service is not migrated at all ?
 
Also, is it possible to rank the services such that if the failover nodes are occupied by low ranking services and the node running a higher ranking service fails, that the lowest ranking service is evicted so that the higher ranking service can be failed over ?
 
regards,
Martin
 


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