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...hen create my RBD pool and also my CephFS pool as well. (The metadata needs a replicate CRUSH rule, but the data itself can use erasure coded CRUSH rule.) If your environment is such that you can do this, then Ceph might be a better option for you. If you look at the benchmarks that tech YouTuber ElectronicsWizardry ran, ZFS is actually not all that performant. But what ZFS is good for are some of the other features like snapshots, replications, and it's copy-on-write schema for modifying files (which again, based on the testing that ElectronicsWizardry ran, does indeed create a write amplification effect...

HI Alexander, Thanks for the update. Initially, I also thought of deploying Ceph but ceph is quite difficult to set-up and manage. Moreover, it's also hardware demanding. I think it's most suitable for a very large set-up with hundreds of clients. What do you think of MooseFS ? Have you or anyone else tried MooseFS. If yes, how was its performance?