[CentOS] Regd: Ethernet Channel Bonding Clarification is Needed
John Newbigin
jnewbigin at ict.swin.edu.au
Fri Sep 19 06:54:38 UTC 2008
I don't know if it impacts on the cluster config, but I had problems
recently with links in my bonding interfaces going down because of some
hotplug interference.
The solution was to add
HOTPLUG=no
to /etc/sysconfig/network
Might be worth a try.
John.
Balaji wrote:
> Dear All,
> Please ignore my previous mail
> I have using CentOS 4.4 Linux and Kernel Version is 2.6.9-42.EL
>
> I have configured Cluster Suite with 2 servers
> Server 1 : 192.168.13.110 IP Address and hostname is primary
> Server 2 : 192.168.13.179 IP Address and hostname is secondary
> Floating : 192.168.13.83 IP Address (Assumed by currently active server)
>
> I have configured Ethernet Channel Bonding in Each Cluster Nodes and
> Channel Bonding Configuration Details are
> 1) Created bonding devices in "/etc/modprobe.conf" file alias bond0
> bonding
> options bonding miimon=100 mode=1
> 2) Edit the "/etc/sysconfig/network-scripts/ifcfg-eth0 and ifcfg-eth1"
> configuration
> DEVICE=eth0
> USERCTL= no
> ONBOOT=yes
> MASTER=bond0
> SLAVE=yes
> BOOTPROTO=none
>
> DEVICE=eth1
> USERCTL= no
> ONBOOT=yes
> MASTER=bond0
> SLAVE=yes
> BOOTPROTO=none
> 3) Created a network script for the bonding device is
> "/etc/sysconfig/network-scripts/ifcfg-bond0"
> DEVICE=bond0
> USERCTL=no
> ONBOOT=yes NETMASK=255.255.255.0
> GATEWAY=192.168.13.1
> IPADDR=192.168.13.110
> 4) Reboot the system for the changes to take effect.
>
> After i am rebooted both the server then cluster node becomes simplex
> and Services are started on both the nodes
> The cluster output in primary node
>
> Member Status: Quorate
>
> Member Name Status
> ----------- ---------
> primary Online, Local, rgmanager
> secondary Offline
>
> Service Name Owner (Last) State
> ------------ ------------ --------
> Service primary started
>
> The cluster output in secondary node
>
> Member Status: Quorate
>
> Member Name Status
> ----------- ---------
> primary Offline
> secondary Online, Local, rgmanager
>
> Service Name Owner (Last) State
> ------------ -------------- --------
> Service secondary started
>
> Before Ethernet Channel Bonding cluster services are active in one node
> and other nodes acts as passive node.
> But after Ethernet Channel Bonding cluster services are active on both
> the nodes
>
> I don't know what is the problem and is their any configuration is
> required in cluster configuration file and
> cman is working only with eth0 interface
>
> Can some one throw light on this peculiar problem
>
> Regards
> -S.Balaji
>
>
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>
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--
John Newbigin
ITS Senior Analyst / Programmer
Faculty of Information and Communication Technologies
Swinburne University of Technology
Melbourne, Australia
http://www.ict.swin.edu.au/staff/jnewbigin
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