Thanks,
I'll try to plan it in advance. By the way, are there any consideration
on Docker vs Podman for this use case?
For the bootstrap part, I see that cephadm adds a key to the root user,
is it possible to use a sudoer service user instead? And do I need
to pre-configure all the hosts so that they can already ssh as root into
each other, or is just the first node and from then on it's cephadm that
takes care of it?
Thanks again
--
Francesco Di Nucci
System Administrator
Compute & Networking Service, INFN Naples
Email: [email protected]
On 10/27/25 10:14, Eugen Block wrote:
Alright then. There's usually nothing we specifically do wrt podman.
When the network setup is final (VLANs, bonds, etc.), we specify the
public and cluster network during bootstrap, and that's basically it.
You can also separate the cluster_network afterwards, that's quite
easily done. But just keep in mind, changing the public_network is a
bit more complicated and requires careful planning and execution.
Zitat von Francesco Di Nucci <[email protected]>:
Thanks,
I get that it's optional but I'd like to separate the two, both for
speed and a requirement of isolation
--
Francesco Di Nucci
System Administrator
Compute & Networking Service, INFN Naples
Email: [email protected]
On 10/24/25 19:35, Eugen Block wrote:
You don’t necessarily need to separate public from cluster network,
it’s optional. There have been plenty of discussions on this list in
which cases it makes sense. Or do you have the requirement to
separate those networks?
Zitat von Francesco Di Nucci <[email protected]>:
Hi all,
I'm working to deploy a new Ceph cluster using cephadm and I have
some doubts about the requirements:
* how should I setup container networking on OSD nodes? I see that it
is advised to have two interfaces, one in the public network and
one
in the cluster network (for OSD-only communication), do I need to
make changes from the default Docker/Podman bridge networking?
* Are there any particular steps to do on SELinux-enabled systems?
Thanks in advance
Francesco
--
Francesco Di Nucci
System Administrator
Compute & Networking Service, INFN Naples
Email:[email protected]
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