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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
Tue, 05 May 2015 15:40:29 -0000
Did you paste the wrong Red Hat bugzilla link?
I don't see how this BZ is related to expanded disk image files after
** Bug watch added: Red Hat Bugzilla #1058173
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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.
It looks like there was some attempt to address this issue in the past
(e.g. https://bugzilla.redhat.com/show_bug.cgi?id=1058173 ) but
perhaps I'm conflating two different issues.
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Stefan Hajnoczi <=