Re: [Xen-devel] Live Migration Error

[Teemu Koponen <tkoponen@xxxxxx>]

On May 13, 2005, at 20:07, Andres Lagar Cavilla wrote:

Andres,

> I try to do a live migration in the same physical host, i.e. xm 
> migrate --live 'whatever' localhost
> It fails with 'Error: errors: suspend, failed, Callbak timed out'.
> It seems like transfer of memory pages works until the point when the 
> domain needs to be suspended to do the final transfer. Funny thing is 
> it used to work before, gloriously, and I haven't made any 
> software/hardware changes. At some point a xm save command failed with 
> timeout, and from there on live migration fails with this message. 
> Non-live migration works perfectly, also between different physical 
> hosts. save/restore also works flawlessly.
I had similar timeout errors previously, when I was using a bit slower 
servers. I overcame the problem by slightly increasing the timeout 
value in controller.py. It seemed to provide a remedy.
Teemu

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