you can do a live migration to an upgraded host,

a new qemu process (with new librbd version) will be generated.


----- Mail original -----
De: "한승진" <yongi...@gmail.com>
À: "ceph-users" <ceph-users@lists.ceph.com>
Envoyé: Mercredi 6 Juillet 2016 07:28:02
Objet: [ceph-users] Should I restart VMs when I upgrade ceph client version

Hi Cephers, 
I implemented Ceph with OpenStack. 

Recently, I upgrade Ceph server from Hammer to Jewel. 

Also, I plan to upgrade ceph clients that are OpenStack Nodes. 

There are a lot of VMs running in Compute Nodes. 

Should I restart the VMs after upgrade of Compute Nodes? 

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