3 Sep
2020
3 Sep
'20
6:08 p.m.
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?
Anticipated thanks
Paulo Sousa
3 Sep
3 Sep
6:17 p.m.
On 9/3/20 3:38 PM, psousa(a)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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Wido den Hollander