Re: Changing the cluster network range

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On 8/29/22 15:14, Stefan Kooman wrote:
On 8/29/22 12:30, Nico Schottelius wrote:

Hey Burkhard,

thanks a lot for the insight. Especially knowing that mons/mgr don't use
the cluster network is a good information.

I discovered today as well that both
public network and cluster network are actually lists of networks:

https://docs.ceph.com/en/latest/rados/configuration/network-config-ref/

even in Nautilus this seems already to be the case:

https://docs.ceph.com/en/nautilus/rados/configuration/network-config-ref/

So what we will probably try the next days is to *add* the Kubernetes
network ranges, which are already routed.

I remembered this thread [1]. TL;DR:

Set ms_bind_ipv4=false

Without that, mon / osd / mds maps also have a 0.0.0.0 address listed that will confuse IPv6 kernel clients.

Gr. Stefan

[1]: https://lists.ceph.io/hyperkitty/list/ceph-users@xxxxxxx/thread/GLNS2S6BK7Q5ECUT3G53EP5CCXNFENXQ/
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