Hello,
We are using Ceph as a storage backend for Openstack (Cinder, Nova,
Glance, Manila) and we are replacing old hardware hosting Ceph monitors
(MON,MGR,MDS) to new ones.
I have already added the new ones in production, monitors successfully
joined the quorum and new MGR/MDS are standby.
For the monitors, I'm sure that the monmap is already up to date and
Openstack clients are already aware of the change and it should not be a
problem when I will next shut down the old monitors.
The ceph.conf will be updated in all Openstack controllers to replace
"mon host" with the new ones before shutting old mons down.
But I have some doubts with the resilience of Openstack Manila service
because the IP addresses of the monitors look hardcoded in the export
location of the manila share :
The manila show command returns for example :
| export_locations | |
| | path =
134.158.208.140:6789,134.158.208.141:6789,134.158.208.142:6789:/volumes/EC_manila/_nogroup/7a6c05d9-2fea-43b1-a6d4-06eec1e384f2
|
| | share_instance_id =
7a6c05d9-2fea-43b1-a6d4-06eec1e384f2 |
Has anyone already done this kind of migration in the past and can
confirm my doubts?
Is there any process to update shares?
Cheers,
Adrien
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