The best answer is: http://ceph.com/docs/master/rados/configuration/network-config-ref/ I think that you should be able to know how each component communicates with each other with that. And this would be more help: https://ceph.com/docs/v0.79/rados/operations/auth-intro/ Shinobu ----- Original Message ----- From: "MEGATEL / Rafał Gawron" <rafal.gawron@xxxxxxxxxxxxxx> To: ceph-users@xxxxxxxxxxxxxx Sent: Monday, September 7, 2015 6:57:55 PM Subject: Network failure Hi ! My cluster network configuration: ETH0 – access to system IB0 – public network IB1 – cluster network How my cluster will work if network is down: eth0 is down: I don’t have access over Ethernet to my system, but cluster works good. ib0 is down: clients don’t have access to cluster but data on cluster is safe – yes ? ib1 is down: what in this scenario ? _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com