Hi,
I have a production Ceph Cluster
- 3 nodes
- 3 mons on each nodes
- 9 OSD @ 4TB per node
- using ceph version 0.80.5 (38b73c67d375a2552d8ed67843c8a65c2c0feba6)
Now I want to upgrade it to Hammer, I saw the documentation on upgrading, it looks straight forward, but I want to know to those who have tried upgrading a production environment, any precautions, caveats, preparation that I need to do before doing it?
- Vlad
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