From: Eric Blake <eblake@redhat.com>
To: Vasiliy Tolstov <v.tolstov@selfip.ru>
Cc: Laszlo Ersek <lersek@redhat.com>, qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] help with understanding qcow2 file format
Date: Thu, 17 Sep 2015 08:38:19 -0600 [thread overview]
Message-ID: <55FAD05B.2090905@redhat.com> (raw)
In-Reply-To: <CACaajQvXMZUmc-zMRVvjuBm4ejc+UM6C7LVJWXNy_0FtYX-HrA@mail.gmail.com>
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On 09/17/2015 01:07 AM, Vasiliy Tolstov wrote:
> 2015-09-16 16:46 GMT+03:00 Eric Blake <eblake@redhat.com>:
>
>> 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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next prev parent reply other threads:[~2015-09-17 14:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-16 10:56 [Qemu-devel] help with understanding qcow2 file format Vasiliy Tolstov
2015-09-16 11:04 ` Laszlo Ersek
2015-09-16 11:15 ` Vasiliy Tolstov
2015-09-16 11:58 ` Markus Armbruster
2015-09-16 13:46 ` Eric Blake
2015-09-17 7:07 ` Vasiliy Tolstov
2015-09-17 14:38 ` Eric Blake [this message]
2016-01-29 14:40 ` lspnet
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