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I have good experience backing up using duplicity. If you are able to do a snapshot and mount it read only, then it's a very good option to have consistent incremental backup. Usually the problem is with backing up databases (MongoDB, ElasticSearch, MySQL, you name it) is consistency. The same things apply to backing common files, but with databases, the ...


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1) why do u need 4 nodes for replica set? using even number of nodes in a replica set can be very problematic, since when a failover happens, there is an election between the nodes to decide which will become the primary, read this -> http://docs.mongodb.org/manual/core/replica-set-elections/ 3 nodes are more than enough, 2 actual db nodes and 1 small ...


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The data size has reached the point where this process takes too much disk space and the file can't be uploaded to S3 in one shot. Upload them each as their own separate files. It's probably not the case that you're doing some kind of fancy de-duplication, and if you are changing that to be reference-based would be helpful. So far backups have been ...



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