I believe in a three node cluster your replicas are algorithmically guaranteed to be on two nodes. I think it is something like p=n-1. Where p is physical machines and n are replicas.
On Feb 24, 2011, at 6:44 AM, Runar Jordahl wrote: > As far as I understand you need to buy Riak EnterpriseDS to have any > guarantee for durability & availability for data you store in Riak: > > “There are no guarantees that the (…) replicas will go to (N) separate > physical nodes; however, the built-in functions for determining where > replicas go attempts to distribute the data evenly." > > http://wiki.basho.com/Replication.html#So-what-does-N%3D3-really-mean%3F > > > Basically, whatever N you set, they might end up on the same hard > disk, meaning that one hard disk crash can mean you lose data and/or > make data not readable. Probability is low, but it can happen. > > Am I correct? > > Kind regards > Runar > > _______________________________________________ > riak-users mailing list > [email protected] > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com _______________________________________________ riak-users mailing list [email protected] http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
