changing ceph public network

[MasterTH]

hi,

i've installed ceph with 3 nodes, after doing some tests i figured out that i'd like to activate the performance a increasement i'd get when i add a third network device.
How can i change the public network of ceph?

changeing only the public network in ceph.conf isn't it right?

kind regrads

 

[udo]

Hi,
but I'm assume you have an interruption of the storage access.
Your Mons + OSDs must be restartet with the same network - settings - and the guest too, because in the kvm-command are the used mon-addresses... so you must also change /etc/pve/storage.cfg

I would do stop clients first.

Udo

 

[MasterTH]

managed to change it.
but. not easy to do it.

ceph mon getmap -o tmpfile
monmaptool --print tmpfile 
monmaptool --rm 0 --rm 1 --rm 2 tmpfile
monmaptool --add 1 10.255.247.13 --add 0 10.255.247.15 --add 2 10.255.247.16 tmpfile

then stop the monitors
and reload the monmap into the ceph configuration (on all monitors - be sure to match the right mon-id):

ceph-mon -i 2 --inject-monmap tmpfile

i = is the mon-id


change the configs ceph.conf and storage.conf
start the monitors and wait a few seconds. the cluster should be OK then with the new IPs.


The only issue i run into (maybe someone can help me with) i do not get any performance output anymore in proxmox-webinterface and ceph-s


btw - how can i delete a imagefile from the ceph-storage?

 

[udo]

btw - how can i delete a imagefile from the ceph-storage?

Hi,
something like this?

rbd -p rbd ls

rbd -p rbd rm vm-105-disk-1

Udo

 

[MasterTH]

after rebooting the osd services the io-output in the webinterface is shown.


thanks udo

 

[Andrey Zentavr]

after rebooting the osd services the io-output in the webinterface is shown.
thanks udo

I wonder if you did any set up for OSDs as well?

 

[Andrey Zentavr]

reply to my own question: yes