Hi Stefan, the cluster network has its own switch and is faster than the public network. Thanks for pointing me to the documentation. I must have overlooked this sentence. But let me ask another question: do the OSD use the cluster network "magically"? I did not find this in the docs, but that may be my fault… Am Fr., 13. Nov. 2020 um 21:40 Uhr schrieb Stefan Kooman <stefan@xxxxxx>: > On 2020-11-13 21:19, E Taka wrote: > > Hello, > > > > I want to install Ceph Octopus on Ubuntu 20.04. The nodes for have 2 > > network interfaces: 192.168.1.0/24 for the cluster network, and a > > 10.10.0.0/16 is the public network. When I bootstrap with cephadm, which > > Network do I use? That means, do i use cephadm bootstrap --mon-ip > > 192.168.1.1 or do I have to use the other network? > > > > When adding the other host with ceph orch, which network I have to use: > > ceph orch host add ceph03i 192.168.20.2 … (or the 10.10 network) > > I found the following info in the documentation: > > "You need to know which IP address to use for the cluster’s first > monitor daemon. This is normally just the IP for the first host. If > there are multiple networks and interfaces, be sure to choose one that > will be accessible by any host accessing the Ceph cluster." > > So that would be the public network in your case. See [1]. > > Just curious: why do you want to use separate networks? You might as > well use bonded interfaces on the public network (i.e. LACP) and have > more redundancy there. I figure that you might even make more effective > use of the bandwidth as well. > > Gr. Stefan > > [1]: > https://docs.ceph.com/en/latest/cephadm/install/#bootstrap-a-new-cluster > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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