Hi Kashyap, Thanks for your answer!
Unfortunately my use case requires cloning the exact memory state, so I won't be able to use virt-sysprep. But the snapshot command looks like something I could use. Could you suggest how to proceed and create/start a new vm from that snapshot? Thanks, Michael On Tue, Apr 12, 2016 at 2:37 PM, Kashyap Chamarthy <kcham...@redhat.com> wrote: > On Mon, Apr 11, 2016 at 12:01:08PM +0300, Michael Ravits wrote: > > Hi, > > > > My use case involves creating duplicates of saved virtual machines. > > While I realize you want to trivially clone VMs with some state at > random point in time, you might want to look into `virt-builder` about > cloning VMs. It has some sensible advice: > > http://libguestfs.org/virt-builder.1.html#clones > > Using `virt-builder` to clone images, will 'sysprep' the images, which > will ensure that (a) each VM copy gets a fresh pair of SSH host keys; > (b) a new random seed; (c) all security/sensitive information is > removed; (d) log files are cleaned (in the below URL, look up the string > "logfiles *" to see what all it removes), and much more. Take a look > here for what all it does: > > http://libguestfs.org/virt-sysprep.1.html#operations > http://libguestfs.org/virt-sysprep.1.html#security > > > Tried with virt-manager and with virsh but so far it seems like this > > case is not supported by these tools. Does anyone know how I could > > achieve the above? > > With 'virsh', you _can_ save the live disk and memory state: > > $ virsh snapshot-create-as \ > --domain myvm snap1 \ > --diskspec vda,file=./disk-snap.qcow2,snapshot=external \ > --memspec file=./mem-snap.qcow2,snapshot=external \ > --atomic > > > -- > /kashyap >
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