Hi to all I've been far from ceph from a couple of years (CephFS was still unstable)
I would like to test it again, some questions for a production cluster for VMs hosting: 1. Is CephFS stable? 2. Can I spin up a 3 nodes cluster with mons, MDS and osds on the same machine? 3. Hardware suggestions? 4. How can I understand the ceph health status output, in details? I've not seen any docs about this 5. How can I know if cluster is fully synced or if any background operation (scrubbing, replication, ...) Is running? 6. Is 10G Ethernet mandatory? Currently I only have 4 gigabit nic (2 for public traffic, 2 for cluster traffic)
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