On Fri, 15 Sep 2017, Mike A wrote: > Hello! > > We have a ceph cluster based on Jewel release and one virtualization infrastructure that is using the cluster. Now we are going to add another ceph cluster but based on luminous with bluestore. > The virtualization infrastructure must use these ceph clusters. Do I need to update software version of client (librbd/librados) inside the virtualization infra? > > I think there are 3 different ways to add the new cluster: > 1. Update client side to the Luminous release and leave old cluster to the Jewel release > 2. Update old cluster and client to the Luminous release > 3. Leave old cluster and client to the Jewel release > > Please suggest pros and cons. You can use either jewel or luminous clients. Just be aware that the luminous cluster can't use luminous-only features until clients are upgrade. By default, new luminous clusters will set their "min compat client" to jewel, so no special configuration is needed. 3 is the smallest change and least risk, which is appealing. You'll want to do 2 eventually, and 1 is a step along that path. sage _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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