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Re: [Xen-devel] Re: XEN and failover

Hi all,

where do I find more information about the following:

xc_save xcfd iofd domid maxit maxf flags
xc_restore xcfd iofd domid nr_pfns store_evtchn console_evtchn

What are the commands doing exactly and how are they doing it, what do the parameters mean exactly?

Is it possible to realise a failover with this, can xc_save make snap-shots of a currently running VM without disturbing it much so if this host/guest crashes can I restore it quickly with the most actual status?

Thanks a lot for your help,

Chau y hasta luego,


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