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Re: [Qemu-devel] help with understanding qcow2 file format
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] help with understanding qcow2 file format |
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Date: |
Thu, 17 Sep 2015 08:38:19 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 |
On 09/17/2015 01:07 AM, Vasiliy Tolstov wrote:
> 2015-09-16 16:46 GMT+03:00 Eric Blake <address@hidden>:
>
>> qemu-img map file.qcow2
>>
>>
> Offset Length Mapped to File
> qemu-img: File contains external, encrypted or compressed clusters.
qemu-img map --output=json file.qcow2
gives you a lot more information, although it still can't tell you how
to directly read compressed or encrypted clusters. (And we highly
recommend against using qcow2 encryption, because it is insecure by design)
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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