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
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.sgaravatto@xxxxxxxxx> 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 0x3ffddff8eeacfffbIf 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
}
}
}
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