Hi David,
I know the different between cluster network and public network. I usually split them to vlans for statistic, isolation and priority. What I need to know is about what kind of RDMA messaging Ceph do. Is it between OSDs or related to other daemons and clients too?
Best regards,
On Mon, Mar 11, 2019, 19:15 David Turner <drakonstein@xxxxxxxxx> wrote:
I can't speak to the rdma portion. But to clear up what each of these does... the cluster network is only traffic between the osds for replicating writes, reading EC data, as well as backfilling and recovery io. Mons, mds, rgw, and osds talking with clients all happen on the public network. The general consensus has been to not split the two networks, except for maybe by vlans for potential statistics and graphing. Even if you were running out of bandwidth, just upgrade the dual interface instead of segregating them physically.On Sat, Mar 9, 2019, 11:10 AM Lazuardi Nasution <mrxlazuardin@xxxxxxxxx> wrote:Hi,_______________________________________________I'm looking for information about where is the RDMA messaging of Ceph happen, on cluster network, public network or both (it seem both, CMIIW)? I'm talking about configuration of ms_type, ms_cluster_type and ms_public_type.In case of OpenStack integration with RBD, which of above three is possible? In this case, should I still separate cluster network and public network?Best regards,
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