The following are some general rules for deploying a successful Ceph cluster:
- Do use 10 G networking as a minimum
- Do research and test the correctly sized hardware you wish to use
- Don't use the no barrier mount option with filestore
- Don't configure pools with a size of two or a min_size of one
- Don't use consumer SSDs
- Don't use raid controllers in write back mode without battery protection
- Don't use configuration options you don't understand
- Do implement some form of change management
- Do carry out power-loss testing
- Do have an agreed backup and recovery plan
