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From: | Dietmar Maurer |
Subject: | Re: [Qemu-devel] [PATCH v4 0/6] Efficient VM backup for qemu |
Date: | Fri, 22 Feb 2013 11:51:04 +0000 |
> You can also use the named-export support. Something like > > --nbd=127.0.0.1:1235 > --blockdev=virtio-drive0 --blockdev=virtio-drive1 --blockdev=ide0-hd0 > > etc. > > Then QEMU can migrate to nbd://127.0.0.1:1235/virtio-drive0. > > > Or how can we guarantee that only one kvm process can write to that NBD > device? > > Why is this needed? Security? I don't want that another process can write nonsense into my backup.
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