Hi, yes exactly. synchronous replication is OK. The distance between the datacenter is only 15 km.
How do i configure this in the cruchmap? Best regards Joachim Von: Sage Weil <[email protected]> An: [email protected], Kopie: [email protected] Datum: 25.06.2013 17:39 Betreff: Re: [ceph-users] Replication between 2 datacenter On Tue, 25 Jun 2013, [email protected] wrote: > hi folks, > > i have a question concerning data replication using the crushmap. > > Is it possible to write a crushmap to achive a 2 times 2 replcation in the > way a have a pool replication in one data center and an overall replication > of this in the backup datacenter? Do you mean 2 replicas in datacenter A, and 2 more replicas in datacenter B? Short answer: yes, but replication is synchronous, so it will generally only work well if the latency is low between the two sites. sage
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