Hi Ceph is currently developing unprivileged user support, and the upstream developers are asking each of the distros to allocate a static numerical UID for the "ceph" user and group. The reason for the static number is to allow Ceph users to hot-swap hard drives from one OSD server to another. Currently this practice works because Ceph writes its files as "uid 0", but when Ceph starts writing its files as an unprivileged user, it will be nice to allow administrators to unplug a drive and plug it into another computer and everything to just work. For this I'm requesting an uid and gid from the reserved range 60000-64999 according to the process outlined in https://anonscm.debian.org/cgit/users/cjwatson/base-passwd.git/tree/README. Thanks, Gaudenz
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