Thanks for your answer
Actually I have the very same configuration on the three "client hosts": on
each of them I simply mapped a single rbd volume ...
Cheers, Massimo
2017-12-15 11:10 GMT+01:00 Burkhard Linke <
burkhard.li...@computational.bio.uni-giessen.de>:
> Hi,
>
>
> On 12/15/2017 10:56 AM, Massimo Sgaravatto wrote:
>
>> Hi
>>
>> I tried the jewel --> luminous update on a small testbed composed by:
>>
>> - 3 mon + mgr nodes
>> - 3 osd nodes (4 OSDs per each of this node)
>> - 3 clients (each client maps a single volume)
>>
>> *snipsnap*
>
>>
>>
>> [*]
>> "client": {
>> "group": {
>> "features": "0x40106b84a842a52",
>> "release": "jewel",
>> "num": 3
>> },
>> "group": {
>> "features": "0x1ffddff8eea4fffb",
>> "release": "luminous",
>> "num": 5
>> }
>>
> AFAIK "client" does not refer to a host, but to the application running on
> the host. If you have several qemu+rbd based VMs running on a host, each VM
> with be considered an individual client.
>
> So I assume there are 3 ceph applications (e.g. three VMs) on the jewel
> host, and 5 applications on the two luminous hosts.
>
> Regards,
> Burkhard
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