| Total but temporary loss of network [message #38578] |
Mon, 04 January 2010 18:47  |
fruvous
Messages: 3
Registered: January 2010
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Junior Member |
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Hi,
I am new to OpenVZ and am having a real problem which I have been unable to solve and so have a couple of longtimers!
The first thing to say is the problem is random but it happens a lot more than it not happening.
What happens is I loose all networking to the server (the host IP and any continer IPS) for between 5 and 10 mins. When the connection returns everything else is fine and there is nothing that I can find in any logs to give a clue as to what is happening.
This network loss only happens at certain times and I think it happens when a container starts up. Once the container is up and running rebooting that container causes no problem.
When I reboot the main server and ping it from elsewhere the server comes online for about 6 pings and then network dies for between 5 and 10 mins and then continues like nothing has happened. However if all the container are set to not autoboot then the server starts normally.
As far as versions etc go I have tried this and get the same results with centos 5.4 and 5.3 both in 64 and 32 bit and the current version of the openvz kernel and the previous version.
I did think for a while it was something to do with redhat-add_ip.sh as commenting line 221 out (add_ip) things start to reboot normally - but I think that was just a fluke.
Finally this is happening on a clean install there is hardly any server load and nothing is running inside any of the containers.
Any help would be gratefully received as I have looked everywhere I can think of.
Thank you
Ben
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