Re: Cluster network and public network

[Nghia Viet Tran <Nghia.Viet.Tran@xxxxxxxxxx>]

Hi Martin,

 

Thanks for your response. You mean one network interface for only MON hosts or for the whole cluster including OSD hosts? I’m confusing now because there are some projects that only use one public network for the whole cluster. That means the rebalancing, replicating objects and heartbeats from OSD hosts would affects the performance of Ceph client.

 

 

From: Martin Verges <martin.verges@xxxxxxxx>
Date: Friday, May 8, 2020 at 16:20
To: Nghia Viet Tran <Nghia.Viet.Tran@xxxxxxxxxx>
Cc: "ceph-users@xxxxxxx" <ceph-users@xxxxxxx>
Subject: Re: [ceph-users] Cluster network and public network

 

Hello Nghia,

 

just use one network interface card and use frontend and backend traffic on the same. No problem with that.

If you have a dual port card, use both ports as an LACP channel and maybe separate it using VLANs if you want to, but not required as well.

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Am Fr., 8. Mai 2020 um 09:29 Uhr schrieb Nghia Viet Tran <Nghia.Viet.Tran@xxxxxxxxxx>:

Hi everyone,

I have a question about the network setup. From the document, It’s recommended to have 2 NICs per hosts as described in below picture

In the picture, OSD hosts will connect to the Cluster network for replicate and heartbeat between OSDs, therefore, we definitely need 2 NICs for it. But seems there are no connections between Ceph MON and Cluster network. Can we install 1 NIC on Ceph MON then?

 

I appreciated any comments!

Thank you!

-- 

Nghia Viet Tran (Mr)

 

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