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Re: [Qemu-devel] storing machine data in qcow images?
From: |
Daniel P . Berrangé |
Subject: |
Re: [Qemu-devel] storing machine data in qcow images? |
Date: |
Wed, 6 Jun 2018 15:37:37 +0100 |
User-agent: |
Mutt/1.9.5 (2018-04-13) |
On Wed, Jun 06, 2018 at 03:31:35PM +0100, Dr. David Alan Gilbert wrote:
> > Not in this case because it'd still be a flat qcow2 file in a simple tar
> > archive.
> >
> > But you're right if we had a more complex format (like chunks stored in
> > a tar file).
>
> My only problem with using the tar like that is that all tools
> everywhere would need to be updated to be able to parse them.
I feel it is the opposite actually. By adding named blobs or custom
strings to qcow2, we've effectively invented a new type of archive
format, except apps cant use the normal unzip/tar tools/apis they
already have. Instead they need to use qemu-img to read,add,remove
blobs from qcow2. It is very compelling to use an existing archive
format like tar/zip because every language has APIs for dealing
with them and apps probably already do this for things like OVA.
Regards,
Daniel
--
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- Re: [Qemu-devel] [Qemu-block] storing machine data in qcow images?, (continued)
- Re: [Qemu-devel] storing machine data in qcow images?, Max Reitz, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Dr. David Alan Gilbert, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Max Reitz, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Dr. David Alan Gilbert, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Max Reitz, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Dr. David Alan Gilbert, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?,
Daniel P . Berrangé <=
- Re: [Qemu-devel] storing machine data in qcow images?, Dr. David Alan Gilbert, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Max Reitz, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Dr. David Alan Gilbert, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Eric Blake, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Michal Suchánek, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Eric Blake, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Daniel P . Berrangé, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Dr. David Alan Gilbert, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Andrea Bolognani, 2018/06/07
- Re: [Qemu-devel] storing machine data in qcow images?, Daniel P . Berrangé, 2018/06/07