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[Qemu-devel] Live Migration with different block devices


From: Xiongzi Ge
Subject: [Qemu-devel] Live Migration with different block devices
Date: Tue, 24 Jun 2014 15:22:42 -0400

Hi,


When I do live migration, in the source and destination host, there are different block devices, but qemu can not detect this. I used virtio as the driver in kvm and in the vdi device in the guest is /dev/vda.  So,  the vm guest can read different data from the same /dev/vda device.  I am studying this code to let qemu understand that, this is a new device.

Does qemu recognize different block devices after live migration?  Where is the interface to modify this? Thanks


Gary





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