Solved: Re: [Linux-cluster] OT? Odd Xen network issue

Madison Kelly linux at alteeve.com
Wed Oct 28 18:53:24 UTC 2009


Madison Kelly wrote:
> Hi all,
> 
>   I hope this isn't too off-topic being more a Xen than cluster 
> experience, but I am having trouble with the Xen mailing list and I 
> gather many here use Xen. If it is too off-topic, the please have a mod 
> delete it and kick my butt. :)
> 
> I've got a simple two-node cluster, each with three NICs running CentOS 
> 5.3 x86_64. Each node has this configuration:
> 
> eth0 - Internal network and VM back channel (IPMI on this NIC)
> eth1 - DRBD link
> eth2 - Internet-facing NIC, dom0 has no IP
> 
>   I've built a simple VM that uses 'xenbr0' and 'xenbr2' as the VM's 
> 'eth0' and 'eth1', respectively. I've set a static, public IP to domU's 
> eth1 (xenbr2) but I can't ping it from a workstation nor can the domU 
> ping out. I know that the network itself (outside the server) is setup 
> right as I tested the static IP from that cable earlier on a test machine.
> 
>   Could someone hit me with a clue-stick as to what I might be doing 
> wrong? Let me know if any logs or config files are helpful.
> 
> Thanks!
> 
> Madi

Thanks to Rick and Edson for your help! I'll reply to each in a moment 
but I wanted to make this post to say that the problem were buggy D-Link 
NICs... Replaced them with Intel NICs and everything started working well.

Thanks both!

Madi




More information about the Linux-cluster mailing list