On Tue, Nov 12, 2013 at 09:17:34AM -0000, Blue wrote: Please post the qemu command-line (ps aux | grep qemu) for the affected VM.
What kind of workload is accessing the disk? Guest OS and version? Please also confirm that nothing else is accessing the image file while the VM is running. It is not safe to use tools like qemu-img on the file while the VM has it open. > Image was qcow2, thin provisioned, created like this : > qemu-img create -f qcow2 -o cluster_size=2M imagename.img Interesting note, you are setting a custom cluster size. It should work but it's not the default configuration that is well-tested. > I can privately provide an image displaying the corruption. Please send a link to stefa...@redhat.com and kw...@redhat.com. We can help you inspect the image to determine the nature of the corruption and what data can be restored. Stefan
