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Re: OpenVZ Live Migration [message #31966 is a reply to message #31953]

Wed, 16 July 2008 08:16

kir
Messages: 1645
Registered: August 2005
Location: Moscow, Russia

Senior Member

Checkpoint file it copied over the network. After migration an ARP announce is sent telling «this IP is now here». There is a short period of time when network packets are dropped and this is pretty normal — TCP packets will be resent, while UDP packets are supposed to be lost sometimes (application level handle it). Opened files and opened network connections are migrated.

If you need more details, see the OpenVZ kernel source code, the directory is kernel/cpt

Kir Kolyshkin

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[Message index]

		OpenVZ Live Migration By: shrin_krishnan on Tue, 15 July 2008 21:51
		Re: OpenVZ Live Migration By: kir on Wed, 16 July 2008 08:16
		Re: OpenVZ Live Migration By: shrin_krishnan on Wed, 16 July 2008 15:09
		Re: OpenVZ Live Migration By: elronxenu on Sun, 31 August 2008 05:29

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