Changing the cluster network range

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Good morning,

we are trying to migrate a Ceph/Nautilus cluster
into kubernetes/rook/pacific [0]. Due to limitations in kubernetes we
probably need to change the cluster network range, which is currently
set to 2a0a:e5c0::/64.

My question to the list: did anyone already go through this?

My assumption would be:

* Change the definition in ceph.conf
* Restart monitors
* Restart managers
* Restart OSDs

Also, does the cluster or public network need to match an interface or
can it be bigger? I.e. is it possible to use cluster network =
2a0a:e5c0::/48 and only have 2a0a:e5c0::/64 on link?

Any pointers are appreciated.

Best regards,

Nico

[0] https://ungleich.ch/u/blog/2022-08-27-migrating-ceph-nautilus-into-kubernetes-with-rook/

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