Difference between revisions of "Full Mesh Network for Ceph Server"
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| − | == Introduction= = | + | == Introduction == |
This wiki page describes how to configure in Proxmox VE (or any other Debian based LINUX distribution) a three node [https://en.wikipedia.org/wiki/Mesh_networking "Meshed Network"] (instead of a network switch) as it can be used e.g. for connecting [[Ceph Server | Ceph Servers]] or nodes in a [[Proxmox VE 4.x Cluster | Proxmox VE Cluster]]. This should also work with a 5-node cluster, general you need nodes_total - 1 = nic ports. The basic idea is running a small 3 node cluster with 10 Gbit network WITHOUT buying an expensive 10 Gbit network switch. | This wiki page describes how to configure in Proxmox VE (or any other Debian based LINUX distribution) a three node [https://en.wikipedia.org/wiki/Mesh_networking "Meshed Network"] (instead of a network switch) as it can be used e.g. for connecting [[Ceph Server | Ceph Servers]] or nodes in a [[Proxmox VE 4.x Cluster | Proxmox VE Cluster]]. This should also work with a 5-node cluster, general you need nodes_total - 1 = nic ports. The basic idea is running a small 3 node cluster with 10 Gbit network WITHOUT buying an expensive 10 Gbit network switch. | ||
Revision as of 06:31, 31 January 2017
Introduction
This wiki page describes how to configure in Proxmox VE (or any other Debian based LINUX distribution) a three node "Meshed Network" (instead of a network switch) as it can be used e.g. for connecting Ceph Servers or nodes in a Proxmox VE Cluster. This should also work with a 5-node cluster, general you need nodes_total - 1 = nic ports. The basic idea is running a small 3 node cluster with 10 Gbit network WITHOUT buying an expensive 10 Gbit network switch.
This should work with any kind of ethernet NICs, i.e. also 40 Gbit or even 100 Gbit ones. But for verifying this article, 10 Gbit Intel NICs were used.
Method 1
Create the Full Mesh on the GUI or on the Command Line is both possible.
Method 1
Node1
= /etc/network/interface
auto lo
iface lo inet loopback
iface eth2 inet manual
auto eth3
iface eth3 inet static
address 10.14.14.50
netmask 255.255.255.0
# Connected to Node2 (.51)
auto eth0
iface eth0 inet static
address 10.15.15.50
netmask 255.255.255.0
up route add -net 10.15.15.51 netmask 255.255.255.255 dev eth0
down route del -net 10.15.15.51 netmask 255.255.255.255 dev eth0
# Connected to Node3 (.52)
auto eth1
iface eth1 inet static
address 10.15.15.50
netmask 255.255.255.0
up route add -net 10.15.15.52 netmask 255.255.255.255 dev eth1
down route del -net 10.15.15.52 netmask 255.255.255.255 dev eth1
auto vmbr0
iface vmbr0 inet static
address 192.168.2.50
netmask 255.255.240.0
gateway 192.168.2.1
bridge_ports eth2
bridge_stp off
bridge_fd 0
route
root@pve-2-50:~# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 10.15.15.51 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 10.15.15.52 0.0.0.0 255.255.255.255 UH 0 0 0 eth1 10.15.15.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 10.15.15.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 10.14.14.0 0.0.0.0 255.255.255.0 U 0 0 0 eth3 192.168.0.0 0.0.0.0 255.255.240.0 U 0 0 0 vmbr0 0.0.0.0 192.168.2.1 0.0.0.0 UG 0 0 0 vmbr0
Node2
/etc/network/interface
auto lo
iface lo inet loopback
iface eth2 inet manual
auto eth3
iface eth3 inet static
address 10.14.14.51
netmask 255.255.255.0
# Connected to Node1 (.50)
auto eth0
iface eth0 inet static
address 10.15.15.51
netmask 255.255.255.0
up route add -net 10.15.15.50 netmask 255.255.255.255 dev eth0
down route del -net 10.15.15.50 netmask 255.255.255.255 dev eth0
# Connected to Node3 (.52)
auto eth1
iface eth1 inet static
address 10.15.15.51
netmask 255.255.255.0
up route add -net 10.15.15.52 netmask 255.255.255.255 dev eth1
down route del -net 10.15.15.52 netmask 255.255.255.255 dev eth1
auto vmbr0
iface vmbr0 inet static
address 192.168.2.51
netmask 255.255.240.0
gateway 192.168.2.1
bridge_ports eth2
bridge_stp off
bridge_fd 0
route
root@pve-2-51:/# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 10.15.15.50 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 10.15.15.52 0.0.0.0 255.255.255.255 UH 0 0 0 eth1 10.15.15.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 10.15.15.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 10.14.14.0 0.0.0.0 255.255.255.0 U 0 0 0 eth3 192.168.0.0 0.0.0.0 255.255.240.0 U 0 0 0 vmbr0 0.0.0.0 192.168.2.1 0.0.0.0 UG 0 0 0 vmbr0
Node3
/etc/network/interface
auto lo
iface lo inet loopback
iface eth2 inet manual
auto eth3
iface eth3 inet static
address 10.14.14.52
netmask 255.255.255.0
# Connected to Node2 (.51)
auto eth0
iface eth0 inet static
address 10.15.15.52
netmask 255.255.255.0
up route add -net 10.15.15.51 netmask 255.255.255.255 dev eth0
down route del -net 10.15.15.51 netmask 255.255.255.255 dev eth0
# Connected to Node1 (.50)
auto eth1
iface eth1 inet static
address 10.15.15.52
netmask 255.255.255.0
up route add -net 10.15.15.50 netmask 255.255.255.255 dev eth1
down route del -net 10.15.15.50 netmask 255.255.255.255 dev eth1
auto vmbr0
iface vmbr0 inet static
address 192.168.2.52
netmask 255.255.240.0
gateway 192.168.2.1
bridge_ports eth2
bridge_stp off
bridge_fd 0
route
root@pve-2-52:~# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 10.15.15.51 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 10.15.15.50 0.0.0.0 255.255.255.255 UH 0 0 0 eth1 10.15.15.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 10.15.15.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 10.14.14.0 0.0.0.0 255.255.255.0 U 0 0 0 eth3 192.168.0.0 0.0.0.0 255.255.240.0 U 0 0 0 vmbr0 0.0.0.0 192.168.2.1 0.0.0.0 UG 0 0 0 vmbr0