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How the connections work after the migration [message #7562]

Tue, 17 October 2006 13:53

atomico80
Messages: 14
Registered: July 2006
Location: Belgium

Junior Member

Hi,

I' interested in some theory...
I installed OVZ, created several VMs, connected them to my local network, accessed remotely via shell and remote desktop... and live migrated these machines among 2 phisical ones.

Can somebody explain me or tell where to find some material that explain how this system works? I mean how all the network level works (mainly on level 2 and 3 OSI) and how it is possible that all the connections on the VM keep on working after the migration?

Which changes happens to the network to let be possible that a machine keeps it's addresses even if moved to another part of the network(and phisically to another cable!)?

I hope my questions are clear enaugh...
Thanks in advance

Ale

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Re: How the connections work after the migration [message #23082 is a reply to message #7562]

Mon, 12 November 2007 11:42

shyju
Messages: 2
Registered: September 2007
Location: India

Junior Member

I migrated one physical server to a VE,but after migration
the VE is not working ,mainly the network ,sshd services are not
starting in VE...

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Re: How the connections work after the migration [message #23760 is a reply to message #7562]

Mon, 26 November 2007 03:47

dontwurk
Messages: 1
Registered: November 2007
Location: San Mateo, CA

Junior Member

There is this paper describing how Xen handles live migration. I imagine the issues are similar although I'm unaware of how OpenVZ tackles the problem.

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