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From: | Brian Jackson |
Subject: | Re: [Qemu-devel] Live Migration with different block devices |
Date: | Tue, 24 Jun 2014 16:29:16 -0500 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
On 6/24/2014 2:22 PM, Xiongzi Ge wrote:
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?
You aren't supposed to have different command line options when live migrating (with the exception of -incoming if you migrate that way). So whatever you are trying to do is unsupported.
Where is the interface to modify this? Thanks Gary
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