The best answer is:

    http://ceph.com/docs/master/rados/configuration/network-config-ref/

I think that you should be able to know how each component communicates with 
each other with that.
And this would be more help:

    https://ceph.com/docs/v0.79/rados/operations/auth-intro/

Shinobu

----- Original Message -----
From: "MEGATEL / Rafał Gawron" <[email protected]>
To: [email protected]
Sent: Monday, September 7, 2015 6:57:55 PM
Subject: [ceph-users] Network failure



Hi ! 

My cluster network configuration: 

ETH0 – access to system 
IB0 – public network 
IB1 – cluster network 

How my cluster will work if network is down: 
eth0 is down: I don’t have access over Ethernet to my system, but cluster works 
good. 
ib0 is down: clients don’t have access to cluster but data on cluster is safe – 
yes ? 
ib1 is down: what in this scenario ? 


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