Re: 2 networks vs 2 NICs

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Same physical interfaces (say, LACP) with 2 vlan is my best configuration
That way, you can over-use your hardware, and still get per-usage graphs


On 04/06/2016 23:41, George Mihaiescu wrote:
> One benefit of separate networks is that you can graph the client vs replication traffic.
> 
>> On Jun 4, 2016, at 12:12 PM, Nick Fisk <nick@xxxxxxxxxx> wrote:
>>
>> Yes, this is fine. I currently use 2 bonded 10G nics which have the untagged vlan as the public network and a tagged vlan as the cluster network.
>>
>> However, when I build my next cluster I will probably forgo the separate cluster network and just run them over the same IP, as after running the cluster, I don't see any benefit from separate networks when taking into account the extra complexity. Something to consider.
>>
>>> -----Original Message-----
>>> From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of
>>> Adrian Sevcenco
>>> Sent: 04 June 2016 16:11
>>> To: ceph-users@xxxxxxxxxxxxxx
>>> Subject:  2 networks vs 2 NICs
>>>
>>> Hi! I seen in discussion and in documentation that "networks" is used
>>> interchangeable with "NIC" (which also is a different thing than interface) ..
>>> So, my question is :for an OSD server with 24 OSDs with a single 40 GB NIC
>>> would be ok to have a public network on the main interface and a vlan
>>> (virtual) interface for the cluster network?
>>>
>>> Thank you!
>>> Adrian
>>
>>
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