Hello.

We're moving our Cluster to a different datacenter and I need to change the
Cluster and Public  network.
Is there any procedure guide for doing this?

I think I should follow these steps:
1- Power-on all nodes.
2- Do not start any Mon,Mgr,Mds,Osd.
3- Set up the old network ip's as vlan0 access mode on Public NIC's
temporarily. (There is no gateway but it will work as vlan0 cause they're
in the same lan.) But with these settings there is no communication between
public and cluster networks.
4- Add the new network as a Cluster network using different NIC's, set up
bonding and be sure everything works perfectly.
5- Start Mon's with old network configuration on Vlan0 (do not unset
pause,norecover, norebalance, nobackfill, nodown,noout)
6- Change Monmap and add new network in ceph.conf. (I'm not sure.)
7- ?? is there any other steps ??
8- Start OSD's
9- Unset flags and done.

I've created a 3 node test cluster on VM's to try it.
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