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[Qemu-devel] [Bug 1449687] Re: block migration of qcow2 VMs copies all e
[Qemu-devel] [Bug 1449687] Re: block migration of qcow2 VMs copies all empty space
Mon, 09 Jan 2017 21:40:46 -0000
There is a patch available: https://lists.gnu.org/archive/html/qemu-
devel/2016-11/msg03742.html (and those which are mentioned in the
** Changed in: qemu
Status: New => Confirmed
** Tags added: sparse
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block migration of qcow2 VMs copies all empty space
Status in QEMU:
I'm running openstack 2012.1 'icehouse' which, ultimately, calls down
into qemu-system-x86 2.0.0+dfsg-2ubuntu1.10.
I primed the process by copying all necessary base images onto the
destination host. Nonetheless, post-migration instances are much
larger than the original image; the copy duplicated all the empty
space that ought to have remained copy-on-write.
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Ansgar Hegerfeld <=