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
}
}
}
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