On 9/3/20 3:38 PM, pso...@alticelabs.com wrote:
> Hello people,
> I am trying to change the cluster network in a production ceph. I'm having
> problems, after changing the ceph.conf file and restarting a osd the cluster
> is always going to HEALTH_ERROR with blocked requests. Only by returning to
> the previous configuration and restarting the same osd make the cluster going
> to OK. So, my question is: is it possible to change the cluster network on a
> production ceph without stopping the service and destroying data? If so, how?
>
Short answer: Yes, Yes, Yes
How? That totally depends. Keep in mind that Ceph just expects all
daemons can talk to each other over IP.
As long as you make sure the routing works, the firewalls allow the
connections this can be done.
How exactly depends on how you have set up your network configuration.
Wido
> Anticipated thanks
> Paulo Sousa
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