Re: Ceph with BGP?

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yes.

> On Jul 5, 2021, at 11:23 PM, Martin Verges <martin.verges@xxxxxxxx> wrote:
> 
> Hello,
> 
>> This is not easy to answer without all the details. But for sure there
> are cluster running with BGP in the field just fine.
> 
> Out of curiosity, is there someone here that has his Ceph cluster running
> with BGP in production?
> As far as I remember, here at croit with multiple hundred supported
> clusters, we never encountered a BGP deployment in the field. It's always
> just the theoretical or testing where we hear from BGP.
> 
> --
> Martin Verges
> Managing director
> 
> Mobile: +49 174 9335695
> E-Mail: martin.verges@xxxxxxxx
> Chat: https://t.me/MartinVerges
> 
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> 
> 
> On Tue, 6 Jul 2021 at 07:11, Stefan Kooman <stefan@xxxxxx> wrote:
> 
>> On 7/5/21 6:26 PM, German Anders wrote:
>>> Hi All,
>>> 
>>>    I have an already created and functional ceph cluster (latest
>> luminous
>>> release) with two networks one for the public (layer 2+3) and the other
>> for
>>> the cluster, the public one uses VLAN and its 10GbE and the other one
>> uses
>>> Infiniband with 56Gb/s, the cluster works ok. The public network uses
>>> Juniper QFX5100 switches with VLAN in layer2+3 configuration but the
>>> network team needs to move to a full layer3 and they want to use BGP, so
>>> the question is, how can we move to that schema? What are the
>>> considerations? Is it possible? Is there any step-by-step way to move to
>>> that schema? Also is anything better than BGP or other alternatives?
>> 
>> Ceph doesn't care at all. Just as long as the nodes can communicate to
>> each other, it's fine. It depends on your failure domains how easy you
>> can move to this L3 model. Do you have separate datacenters that you can
>> do one by one, or separate racks?
>> 
>> And you can do BGP on different levels: router, top of rack switches, or
>> even on the Ceph host itselfs (FRR).
>> 
>> We use BGP / VXLAN / EVPN for our Ceph cluster. But it all depends on
>> why your networking teams wants to change to L3, and why.
>> 
>> There are no step by step guides, as most deployments are unique.
>> 
>> This might be a good time to reconsider a separate cluster network.
>> Normally there is no need for that, and might make things simpler.
>> 
>> Do you have separate storage switches? Whre are your clients connected
>> to (separate switches or connected to storage switches as well).
>> 
>> This is not easy to answer without all the details. But for sure there
>> are cluster running with BGP in the field just fine.
>> 
>> Gr. Stefan
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