Spike: Understand Ceph Upgrades (brownfield)

[lb4368]

Problem description Would like to understand the implications of an upgrade to Ceph in an existing site cluster (brownfield scenario).

https://docs.ceph.com/en/latest/releases/

Proposed change

• Investigate and document a plan for an upgrade of Ceph on an existing cluster
• Identify dependencies and constraints such as Rook versions, etc.
• Identify impacts to cluster availability and performance during an upgrade

[vs422h]

Please assign this issue to me.

[aaronsheffield]

https://hackmd.io/AnSmSWktSoa7IP74iDEMMg?view