Hello, everyone! We are working on a project which uses RBD images (formatted with XFS) as home folders for the project's users. The access speed and the overall reliability have been pretty good, so far.
>From the architectural perspective, our main focus is on providing a seamless user experience in case the Ceph clients will suddenly go offline. Hence, we were thinking about using CephFS instead of the RBD images, and we want to know your experiences with it. A few questions: - is CephFS considered production ready? As far as I know, it currently supports a single (active) MDS server; - should we expect any speed / performance differences between RBD and CephFS? if yes - should we see an improvement or a downgrade? - as far as I know, if we'd use CephFS, we'd be able to mount the file system on several Ceph clients; would there be any problem (from Ceph's perspective) if one of those clients would suddenly go offline? Thank you, in advance! Kind regards, Bogdan
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