Re: [Qemu-devel] [RFC PATCH] replication agent module

[Stefan Hajnoczi]

On Tue, Feb 21, 2012 at 4:01 PM, Markus Armbruster <address@hidden> wrote:
> Anthony Liguori <address@hidden> writes:
>
>> On 02/07/2012 07:50 AM, Stefan Hajnoczi wrote:
>>> On Tue, Feb 7, 2012 at 1:34 PM, Kevin Wolf<address@hidden>  wrote:
>>>> Am 07.02.2012 11:29, schrieb Ori Mamluk:
>>>>> Repagent is a new module that allows an external replication system to
>>>>> replicate a volume of a Qemu VM.
>>>
>>> I recently joked with Kevin that QEMU is on its way to reimplementing
>>> the Linux block and device-mapper layers.  Now we have drbd, thanks!
>>> :P
>>
>> I don't think it's a joke.  Do we really want to get into this space?
>> Why not just use drbd?
>>
>> If it's because we want to also work with image formats, perhaps we
>> should export our image format code as a shared library and let drbd
>> link against it.
>
> I want to be able to "mount foo.qcow2 /mnt".

That would only be possible if foo.qcow2 is a flat file system without
a partition table or logical volumes.

But I completely agree that working with image files on the host
should be as easy as mount.

Stefan