On 17-09-06 09:10, Ashley Merrick wrote:
I was just going by : docs.ceph.com/docs/master/start/os-recommendations/
Which states 4.9
docs.ceph.com/docs/master/rados/operations/crush-map
Only goes as far as Jewel and states 4.5
Not sure where else I can find a concrete answer to if 4.10 is new enough.
Well, it looks like docs may need to be revisited as I was unable to use
kcephfs on 4.9 with luminous before downgrading tunables, not sure about
4.10.
,Ashley
------------------------------------------------------------------------
*From:* Henrik Korkuc <li...@kirneh.eu>
*Sent:* 06 September 2017 06:58:52
*To:* Ashley Merrick; ceph-us...@ceph.com
*Subject:* Re: [ceph-users] Luminous Upgrade KRBD
On 17-09-06 07:33, Ashley Merrick wrote:
Hello,
Have recently upgraded a cluster to Luminous (Running Proxmox), at
the same time I have upgraded the Compute Cluster to 5.x meaning we
now run the latest kernel version (Linux 4.10.15-1) Looking to do the
following :
ceph osd set-require-min-compat-client luminous
Does 4.10 kernel support luminous features? I am afraid (but do not
have info to back it up) that 4.10 is too old for Luminous features.
Below is the output of ceph features, the 4 number next to the last
row of luminous is as expected for the 4 Compute nodes, are the other
4 spread across hammer & jewel log's of when the node's last
connected before they was upgraded to Proxmox 5.0, am I safe to run
the above command? No other RBD resources are connected to this cluster.
"client": {
"group": {
"features": "0x106b84a842a42",
"release": "hammer",
"num": 1
},
"group": {
"features": "0x40106b84a842a52",
"release": "jewel",
"num": 3
},
"group": {
"features": "0x1ffddff8eea4fffb",
"release": "luminous",
"num": 4
}
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