Proxmox 5, Ceph and "mon_command failed - command not known (500)"

[juanignaciociriaco]

Hi...!
After reading https://pve.proxmox.com/wiki/Ceph_Server I've followed every step while waching "journalctl -f".
It comes that when creating OSD with "pveceph createosd /dev/sdb" I'm unable to create a pool and when I go to the webui, i see this screen:


It comes with Proxmox 5, with version 4.4 it works great.

Is it normal of this Beta Release of Luminous?

Thanks!

 

[Norman Uittenbogaart]

what is the ceph status on the command line?
I had this when ceph-mgr was not running.

 

[juanignaciociriaco]

This is the output of "pveceph status" (attachment below)

And this is the journal log of "service ceph-mon@pmx05 restart"
Aug 11 09:26:02 pmx05 systemd[1]: Stopping Ceph cluster monitor daemon...
Aug 11 09:26:02 pmx05 systemd[1]: Stopped Ceph cluster monitor daemon.
Aug 11 09:26:02 pmx05 systemd[1]: Started Ceph cluster monitor daemon.

And now, checking for running process and ports
root@pmx05:/etc/pve/priv# netstat -uptona |grep osd
tcp 0 0 172.18.1.200:6800 0.0.0.0:* LISTEN 2727/ceph-osd off (0.00/0/0)
tcp 0 0 172.18.1.200:6801 0.0.0.0:* LISTEN 2727/ceph-osd off (0.00/0/0)
tcp 0 0 172.18.1.200:6802 0.0.0.0:* LISTEN 2727/ceph-osd off (0.00/0/0)
tcp 0 0 172.18.1.200:6803 0.0.0.0:* LISTEN 2727/ceph-osd off (0.00/0/0)
tcp 0 0 172.18.1.200:34366 172.18.1.200:6789 ESTABLISHED 2727/ceph-osd off (0.00/0/0)

 

[Norman Uittenbogaart]

No I meant ceph status

 

[juanignaciociriaco]

root@pmx05:~# ceph status
cluster:
id: 9b0678e5-30e7-4827-b3d4-63fb3d75a0b1
health: HEALTH_WARN
no active mgr

services:
mon: 1 daemons, quorum pmx05
mgr: no daemons active
osd: 1 osds: 1 up, 1 in

data:
pools: 0 pools, 0 pgs
objects: 0 objects, 0 bytes
usage: 0 kB used, 0 kB / 0 kB avail
pgs:

root@pmx05:~#

 

[Norman Uittenbogaart]

yes so do the below on all nodes

apt-get install -y ceph-mgr

 

[juanignaciociriaco]

root@pmx05:~# apt-get install -y ceph-mgr
Reading package lists... Done
Building dependency tree
Reading state information... Done
ceph-mgr is already the newest version (12.1.2-pve1).
ceph-mgr set to manually installed.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
root@pmx05:~#

 

[Norman Uittenbogaart]

then do

pveceph createmgr

 

[juanignaciociriaco]

root@pmx05:~# pveceph createmgr
ceph manager directory '/var/lib/ceph/mgr/ceph-pmx05' already exists
root@pmx05:~#

 

[Norman Uittenbogaart]

Then either start it or remove folder and try again.

Start,
Systemctl start ceph-mgr
Or
Systemctl start ceph-mgr@pmx-05

Not sure

 

[juanignaciociriaco]

root@pmx05:~# systemctl stop ceph-mgr@pmx05
root@pmx05:~# systemctl start ceph-mgr@pmx05
And...
Aug 13 10:22:00 pmx05 systemd[1]: Starting Proxmox VE replication runner...
Aug 13 10:22:00 pmx05 systemd[1]: Started Proxmox VE replication runner.
Aug 13 10:23:00 pmx05 systemd[1]: Starting Proxmox VE replication runner...
Aug 13 10:23:00 pmx05 systemd[1]: Started Proxmox VE replication runner.
Aug 13 10:23:11 pmx05 systemd[1]: Started Ceph cluster manager daemon.

And now IT WORKS!!