On 05/08/2015 03:55 AM, Zhi Yong Wu wrote: > HI, all guys > > Why does vmfork not get supported by KVM project? What is the > drawback? It's very cool if it's used in some scenario, e.g. HPC. It > will be appreciated for your comments, thanks. In general, live cloning of a VM is a security nightmare - you have to make sure that either both sides of the fork will never be exposed to the same network, or that you figure out how to scrub everything such as IP addresses and random number state so that the two VMs are independent enough as to not be able to guess the behavior of one guest by observing the other. Offline cloning is a much more tractable problem. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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