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eu-emi / emiregistry

EMI Registry (EMIR): A Registry for Federated Grid Infrastructures
www.eu-emi.eu
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High Availability: Node level replication #74

Open amemon opened 12 years ago

amemon commented 12 years ago

This is a new requirement to make the DSR's highly available by replicating the instances on separate servers.

szigetigabor commented 12 years ago

The mongodb replication is not a problem (master/slave model). EMIR and the replicated mongo's handling are also not a big problem (we can configured list of mongodbs. and the EMIR will write always to the master and read from the slave mongodb.) BUT a parent handling and the EMIR handling on client side is a big problem. Who/how can knows which DSR is the given EMIR's replication?