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Thanks Fiona.
We would like to do plugin integration POC. So, for that to get started, we
would like to know various interfaces of these plugins. Is there any detailed
API documentation available for these plugins? Also, do you have any test app
code which integrates with the plugins to try out?
Thanks
Prashant
-----Original Message-----
From: Fiona Ebner <f.eb...@proxmox.com>
Sent: 21 March 2025 07:43 PM
To: Prashant Patil <prashant.gamepa...@veritas.com>; Proxmox VE development
discussion <pve-devel@lists.proxmox.com>; Thomas Lamprecht
<t.lampre...@proxmox.com>
Cc: Anuradha Joshi <anuradha.jo...@veritas.com>; Sudhir Subbarao
<sudhir.subba...@veritas.com>; Jason Voneberstein
<jason.voneberst...@veritas.com>
Subject: Re: [pve-devel] About PVE Backup Integration Guide
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Am 18.03.25 um 09:59 schrieb Prashant Patil:
> We have tried the steps mentioned here to create copy-before-write
> snapshot -
> https://www/.
> mail-archive.com%2Fqemu-devel%40nongnu.org%2Fmsg876056.html&data=05%7C
> 02%7CPrashant.Gamepatil%40veritas.com%7Ce32cfc43ab294539a7ad08dd68828e
> 0b%7Cfc8e13c0422c4c55b3eaca318e6cac32%7C0%7C0%7C638781632166431273%7CU
> nknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiO
> iJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=c8XOfpg
> JBATIhPvDspiA9dK0QqqCg%2Bymes9WpKZJLmQ%3D&reserved=0
>
> However, one of the commands 'blockdev-replace' fails with below error:
> {"error": {"class": "CommandNotFound", "desc": "The command
> blockdev-replace has not been found"}}
>
> Is the command available in any specific qemu version? Is there any other
> command that we should be using instead if blockdev-replace?
No, it has not yet been implemented neither upstream nor downstream. The latest
proposed iteration is here [0].
> We are happy to integrate with backup provider APIs if they are stable and
> ready for the integration. On this same thread, I had asked few questions
> about APIs timelines. Could you please help us to get that info?
Thomas already answered this in the very first response:
> We would be open to fast-track this effort for inclusion with feedback
> from backup vendors. While there are other ways to hook one in, these
> are not nice and can cause problems - so in the long term we expect
> that most/all backup vendors will switch to this plugin method, at
> least for supported setups.
I sent v5 of the patch series today [1]. Again, I would highly recommend to try
and develop your solution with that API for proper integration.
Otherwise, it's 100% up to you not to cause conflicts with the Proxmox VE
system with your backup solution, and naturally, we cannot give you much help
with development (or later with debugging user issues) of a fully separate
backup stack.
It would be appreciated if you could give us feedback and tell us what parts of
it work and what parts might be difficult to work with for your scenario. Then
we might still be able to adapt to your requirements.
Adapting things retroactively means that there is less freedom to change the
interface, so now is the best chance.
[0]:
https://lore.kernel.org/qemu-devel/20240626115350.405778-1-vsement...@yandex-team.ru/
[1]:
https://lore.proxmox.com/pve-devel/20250321134852.103871-1-f.eb...@proxmox.com/T/
Best Regards,
Fiona
This message was sent by an employee of Arctera.
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