Re: [ceph-users] chain replication scheme

2015-09-30 Thread Sage Weil
On Wed, 30 Sep 2015, Wouter De Borger wrote: > Hi all, > In the original paper (RADOS: a scalable, reliable storage service for > petabyte-scale storage clusters), three replication schemes were described > (primary copy, chain and splay). > > Now the documentation only discusses primary copy. Doe

[ceph-users] chain replication scheme

2015-09-30 Thread Wouter De Borger
Hi all, In the original paper (RADOS: a scalable, reliable storage service for petabyte-scale storage clusters), three replication schemes were described (primary copy, chain and splay). Now the documentation only discusses primary copy. Does the chain scheme still exist? It would be much more ba