Hi Robert,

> Am 29.03.2018 um 10:27 schrieb Robert Sander <r.san...@heinlein-support.de>:
> 
> On 28.03.2018 11:36, Götz Reinicke wrote:
> 
>> My question is: How to proceed with the serves which map the rbds?
> 
> Do you intend to upgrade the kernels on these RBD clients acting as NFS
> servers?
> 
> If so you have to plan a reboot anyway. If not, nothing changes.

Not in that step, but soon; and true the VMs have to be shut down/server 
rebooted, I have that in mind.

Do I understand you correctly, that I don’t have to update the NFS servers ceph 
installation? So the OSD/MONs can run 12.2 and a client can still be on 10.2? 
(I remember a flag might be used to set the cluster compatibility)

        Thanks for feedback and regards . Götz

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