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Qemu-img is a stand alone part of qemu. As far as I know it doesn't interact with any other program.
Error should have more to it. Like error reading some thing.
There was a very old version that may have had an issue.
You should not go across directories too. Use the command in the directory where the input file exists. Better still move qemu-img there. I'd suspect this is the trouble. As I recall it got me a few times.
Ok jefro, i tried as you said but same error persists.
If i convert to raw(with the "error while reading" error), it only create the 10gb sparse image file, so...i think in other options:
* use another version new version of qemu-img(by the way, why EPEL provides me the 2.1.0 version instead the last one?)
* use virtualbox, that is no compatible with KVM at the same time, so i have to convert my other VM to Vbox format. This VM disk is not a file but a device (dev/sdb)
any help with the two options?
regards
---------- Post added 06-08-15 at 12:47 PM ----------
Yes, this is what i did, and post in the first post.
The problem as you suggests is almost sure related with the qemu-img version. I saw several people complaining about this error and no solution, so maybe the best option is move to virtualbox.
maybe i tried with the wrong ones: the one in kvm-qemu-img that i have at begining, the one installed from EPEL(2.1.0) and the 0.14 i download from rpmfind.com for RHEL5.
Now i know that i could download QEMU from the web page and install ONLY the qemu-img binary...but too late....I moving to centos7 and i will try VBox.
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