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| From: | Paolo Bonzini |
| Subject: | Re: [Qemu-devel] [PATCH 8/8] docs: add mirroring to live block operations |
| Date: | Fri, 13 Apr 2012 19:32:09 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120329 Thunderbird/11.0.1 |
Il 13/04/2012 19:09, Eric Blake ha scritto: >> > +It is also possible to use raw as the format of the destination image. >> > +Converting an image to raw will properly support thin provisioning. > Do you need to mention the use of block_job_cancel needed at the point > where you are ready to stop qemu from writing into the copy? No, you need to do this with drive-reopen. Using block_job_cancel will report completion, but will leave a race window that can cause to corruption in the guest. Do your libvirt patches do that? O:) Paolo
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