Hello list,
I upgraded to mimic some time ago and want to make use of the upmap feature now.
But I can't do "ceph osd set-require-min-compat-client luminous" as there are
still pre-luminous clients connected.
The cluster was originally created from jewel release.
When I run "ceph features", I see many connections from jewel clients though
all systems have mimic installed and are rebooted since then.
08:44dk at mon03 <http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com>
[fra]:~$ ceph features
[...]
"client": [
{
"features": "0x7010fb86aa42ada",
"release": "jewel",
"num": 70
},
{
"features": "0x3ffddff8eea4fffb",
"release": "luminous",
"num": 185
},
{
"features": "0x3ffddff8ffa4fffb",
"release": "luminous",
"num": 403
}
[...]
These client connections belong to mapped rbd images.
When I inspect the rbd images with "rbd info" I don't see any difference in
format and features.
How can I determine which rbd images are affected and how can I transform them
to luminous types if possible.
Do you have krbd clients? Because kernel clients still have 'jewel'
release, but upmap is supported.
If so the kernel should be 4.13+ or EL 7.5. If that so you should append
--yes-i-really-mean-it as safe workaround.
k
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