yes, that's good enough for "upmap". Mapping client features to versions is somewhat unreliable by design: not every new release adds a new feature, some features are backported to older releases, kernel clients are a completely independent implementation not directly mapable to a Ceph release.
Paul -- Paul Emmerich Looking for help with your Ceph cluster? Contact us at https://croit.io croit GmbH Freseniusstr. 31h 81247 München www.croit.io Tel: +49 89 1896585 90 On Mon, Jul 29, 2019 at 2:23 PM Massimo Sgaravatto < massimo.sgarava...@gmail.com> wrote: > I have a ceph cluster where mon, osd and mgr are running ceph luminous > > If I try running ceph features [*], I see that clients are grouped in 2 > sets: > > - the first one appears using luminous with features 0x3ffddff8eea4fffb > - the second one appears using luminous too, but with > features 0x3ffddff8eeacfffb > > If I try to check which are these clients (I use 'ceph daemon mon.xyz > sessions' on the 3 mons) I see that the second group includes also some > Openstack nodes which are actually using Nautilus. > Is this normal/expected that they appear using luminous as release ? > > > Can the 'ceph features' output be used to understand if I am ready to > switch to upmap for the balancer ? > I.e. are 0x3ffddff8eea4fffb and 0x3ffddff8eeacfffb good enough for upmap ? > > Thanks, Massimo > > > > # ceph features > { > "mon": { > "group": { > "features": "0x3ffddff8eeacfffb", > "release": "luminous", > "num": 3 > } > }, > "osd": { > "group": { > "features": "0x3ffddff8eeacfffb", > "release": "luminous", > "num": 70 > } > }, > "client": { > "group": { > "features": "0x3ffddff8eea4fffb", > "release": "luminous", > "num": 16 > }, > "group": { > "features": "0x3ffddff8eeacfffb", > "release": "luminous", > "num": 74 > } > } > } > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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