Hi guys. For some months i had a simple working ceph cluster with 3 nodes and 3
monitors inside. Client, monitors and cluster network was at redundant 10Gbps
ports in the same subnet 10.10.10.0/24.
Here is the conf
#########
[global]
auth client required = cephx
auth cluster required = cephx
auth service required = cephx
auth supported = cephx
cluster network = 10.0.0.0/24
filestore xattr use omap = true
fsid = 169d99bb-9b62-459e-8e5e-2d101a8c17b2
keyring = /etc/pve/priv/$cluster.$name.keyring
osd journal size = 5120
osd pool default min size = 1
public network = 10.0.0.0/24
osd mount options xfs = rw,noatime,inode64
[osd]
keyring = /var/lib/ceph/osd/ceph-$id/keyring
[mon.1]
host = test2
mon addr = 10.0.0.2:6789
[mon.0]
host = test1
mon addr = 10.0.0.1:6789
[mon.2]
host = test3
mon addr = 10.0.0.3:6789
###########
I want for several reasons to change all the configuration at another subnet,
172.16.0.0/24
I can stop all io traffic to the cluster, scrubbing, snapshots backups and
everything that would cause changes.(anything else?)
Just to be sure i have scrub deep-scrub off and osd noout.
What is the best way to change this setting? I don't mind rebooting if
necessary.
Apparently just change 10.10.10 to 172.16.0 and restart services one by one
(either osds first either mons) didn't worked.
Any help? As long as i have osd noout can i just stop all osds, stop mons and
then start one by one again?
Thanks!
Nasos Pan
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