[pve-devel] About PVE Backup Integration Guide

[pve-devel] About PVE Backup Integration Guide

[Prashant Patil via pve-devel]

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From: Prashant Patil <Prashant.Gamepatil@veritas.com>
To: "pve-devel@lists.proxmox.com" <pve-devel@lists.proxmox.com>
Cc: Anuradha Joshi <Anuradha.Joshi@veritas.com>, Jason Voneberstein <Jason.vonEberstein@veritas.com>
Subject: About PVE Backup Integration Guide
Date: Tue, 4 Mar 2025 13:21:17 +0000
Message-ID: <PH0PR20MB4520A4201D4560B18A0C830798C82@PH0PR20MB4520.namprd20.prod.outlook.com>

Hello All,
Hope this email finds you well.

At Arctera/Veritas, we are exploring the addition of support for data protection of Proxmox environments within our backup product. We would like to know if there is a detailed backup/restore API guide available that could serve as a good starting point for our engineering team. Could you please assist us with this? We have already reviewed the REST APIs.

Regards,
Prashant


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Re: [pve-devel] About PVE Backup Integration Guide

[Thomas Lamprecht]

Hello Prashant,

Am 04.03.25 um 16:47 schrieb Prashant Patil:
> Hello All,
> Hope this email finds you well.
> 
> At Arctera/Veritas, we are exploring the addition of support for data protection of Proxmox environments within our backup product. We would like to know if there is a detailed backup/restore API guide available that could serve as a good starting point for our engineering team. Could you please assist us with this? We have already reviewed the REST APIs.

Thanks for your interest in supporting Proxmox VE.

We are in progress of adding a way where external backup provider can
provide a plugin to hook safely and correctly into our backup APIs, see:

https://lore.proxmox.com/pve-devel/20241114150754.374376-1-f.ebner@proxmox.com/

This includes two example plugins to showcase how it would be used.

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.

best regards
Thomas


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Re: [pve-devel] About PVE Backup Integration Guide

[Prashant Patil via pve-devel]

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From: Prashant Patil <Prashant.Gamepatil@veritas.com>
To: Thomas Lamprecht <t.lamprecht@proxmox.com>, "pve-devel@lists.proxmox.com" <pve-devel@lists.proxmox.com>
Cc: Anuradha Joshi <Anuradha.Joshi@veritas.com>, Jason Voneberstein <Jason.vonEberstein@veritas.com>, Sudhir Subbarao <Sudhir.Subbarao@veritas.com>
Subject: RE: About PVE Backup Integration Guide
Date: Wed, 5 Mar 2025 06:36:29 +0000
Message-ID: <PH0PR20MB4520446B9B012DE3352A8C1F98CB2@PH0PR20MB4520.namprd20.prod.outlook.com>

Thank you, Thomas, for your prompt response to this.



We would like to know following things:

  1.  How much part of the plugins method is done?
  2.  How soon we can start the integration?
  3.  Is there any plugin method's documentation already available? If yes, could you please share?



Regards,

Prashant



-----Original Message-----
From: Thomas Lamprecht <t.lamprecht@proxmox.com>
Sent: 04 March 2025 10:07 PM
To: Prashant Patil <Prashant.Gamepatil@veritas.com>; pve-devel@lists.proxmox.com
Cc: Anuradha Joshi <Anuradha.Joshi@veritas.com>; Jason Voneberstein <Jason.vonEberstein@veritas.com>
Subject: Re: About PVE Backup Integration Guide





CAUTION: This email originated from outside the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. If you believe this is a phishing email, use the Report to Cybersecurity icon in Outlook.







Hello Prashant,



Am 04.03.25 um 16:47 schrieb Prashant Patil:

> Hello All,

> Hope this email finds you well.

>

> At Arctera/Veritas, we are exploring the addition of support for data protection of Proxmox environments within our backup product. We would like to know if there is a detailed backup/restore API guide available that could serve as a good starting point for our engineering team. Could you please assist us with this? We have already reviewed the REST APIs.



Thanks for your interest in supporting Proxmox VE.



We are in progress of adding a way where external backup provider can provide a plugin to hook safely and correctly into our backup APIs, see:



https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.proxmox.com%2Fpve-devel%2F20241114150754.374376-1-f.ebner%40proxmox.com%2F&data=05%7C02%7CPrashant.Gamepatil%40veritas.com%7C1816d6bad0c4419d245a08dd5b3adcd0%7Cfc8e13c0422c4c55b3eaca318e6cac32%7C0%7C0%7C638767030578307107%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=X3vGHTDdU8eqfj77XLGcn1myfqvNhPJPaum5dAJcw2Q%3D&reserved=0<https://lore.proxmox.com/pve-devel/20241114150754.374376-1-f.ebner@proxmox.com/>



This includes two example plugins to showcase how it would be used.



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.



best regards

Thomas



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Re: [pve-devel] About PVE Backup Integration Guide

[Fiona Ebner]

Am 05.03.25 um 07:36 schrieb Prashant Patil via pve-devel:
>   1.  How much part of the plugins method is done?

It is an initial, functional version of the API.

>   2.  How soon we can start the integration?

The patches were not applied yet, feedback is welcome. As Thomas already
said "We would be open to fast-track this effort for inclusion with
feedback from backup vendors". I'll see if I can get around to post a
rebased version this week.

>   3.  Is there any plugin method's documentation already available? If yes, could you please share?

It's part of the patches, see:
https://lore.proxmox.com/pve-devel/20241114150754.374376-10-f.ebner@proxmox.com/

>   1.  How to get allocated blocks/sectors from the snapshot of the raw format virtual disk attached to a running VM (disk present on the block based storage such as lvm, lvm-thin, etc)?
>   2.  How to get allocated blocks/sectors from the snapshot of the vmdk format virtual disk attached to a running VM?
>   3.  As per below link, certain storage types do not support snapshots. In such cases, what is the recommended way to take backup of the running VM?

The block tracking is ideally done via QEMU, then you don't require any
special features for the underlying storages. You can also do dirty
tracking for incremental backups. See the following for how this is done
internally with the proposed API:
https://lore.proxmox.com/pve-devel/20241114150754.374376-4-f.ebner@proxmox.com/
https://lore.proxmox.com/pve-devel/20241114150754.374376-5-f.ebner@proxmox.com/

Best Regards,
Fiona


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Re: [pve-devel] About PVE Backup Integration Guide

[Prashant Patil via pve-devel]

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From: Prashant Patil <Prashant.Gamepatil@veritas.com>
To: Thomas Lamprecht <t.lamprecht@proxmox.com>, "pve-devel@lists.proxmox.com" <pve-devel@lists.proxmox.com>
Cc: Anuradha Joshi <Anuradha.Joshi@veritas.com>, Jason Voneberstein <Jason.vonEberstein@veritas.com>, Sudhir Subbarao <Sudhir.Subbarao@veritas.com>
Subject: RE: About PVE Backup Integration Guide
Date: Wed, 5 Mar 2025 15:44:26 +0000
Message-ID: <PH0PR20MB452048F028DE3978CD3BB9BA98CB2@PH0PR20MB4520.namprd20.prod.outlook.com>

Hi Thomas,
We have few more questions in addition to those mentioned in the previous email.

  1.  How to get allocated blocks/sectors from the snapshot of the raw format virtual disk attached to a running VM (disk present on the block based storage such as lvm, lvm-thin, etc)?
  2.  How to get allocated blocks/sectors from the snapshot of the vmdk format virtual disk attached to a running VM?
  3.  As per below link, certain storage types do not support snapshots. In such cases, what is the recommended way to take backup of the running VM?

https://pve.proxmox.com/wiki/Storage

Could you kindly assist us in obtaining answers to these questions?

Thanks
Prashant

From: Prashant Patil <Prashant.Gamepatil@veritas.com>
Sent: 05 March 2025 12:06 PM
To: Thomas Lamprecht <t.lamprecht@proxmox.com>; pve-devel@lists.proxmox.com
Cc: Anuradha Joshi <Anuradha.Joshi@veritas.com>; Jason Voneberstein <Jason.vonEberstein@veritas.com>; Sudhir Subbarao <Sudhir.Subbarao@veritas.com>
Subject: RE: About PVE Backup Integration Guide


Thank you, Thomas, for your prompt response to this.



We would like to know following things:

  1.  How much part of the plugins method is done?
  2.  How soon we can start the integration?
  3.  Is there any plugin method's documentation already available? If yes, could you please share?



Regards,

Prashant



-----Original Message-----
From: Thomas Lamprecht <t.lamprecht@proxmox.com<mailto:t.lamprecht@proxmox.com>>
Sent: 04 March 2025 10:07 PM
To: Prashant Patil <Prashant.Gamepatil@veritas.com<mailto:Prashant.Gamepatil@veritas.com>>; pve-devel@lists.proxmox.com<mailto:pve-devel@lists.proxmox.com>
Cc: Anuradha Joshi <Anuradha.Joshi@veritas.com<mailto:Anuradha.Joshi@veritas.com>>; Jason Voneberstein <Jason.vonEberstein@veritas.com<mailto:Jason.vonEberstein@veritas.com>>
Subject: Re: About PVE Backup Integration Guide





CAUTION: This email originated from outside the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. If you believe this is a phishing email, use the Report to Cybersecurity icon in Outlook.







Hello Prashant,



Am 04.03.25 um 16:47 schrieb Prashant Patil:

> Hello All,

> Hope this email finds you well.

>

> At Arctera/Veritas, we are exploring the addition of support for data protection of Proxmox environments within our backup product. We would like to know if there is a detailed backup/restore API guide available that could serve as a good starting point for our engineering team. Could you please assist us with this? We have already reviewed the REST APIs.



Thanks for your interest in supporting Proxmox VE.



We are in progress of adding a way where external backup provider can provide a plugin to hook safely and correctly into our backup APIs, see:



https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.proxmox.com%2Fpve-devel%2F20241114150754.374376-1-f.ebner%40proxmox.com%2F&data=05%7C02%7CPrashant.Gamepatil%40veritas.com%7C1816d6bad0c4419d245a08dd5b3adcd0%7Cfc8e13c0422c4c55b3eaca318e6cac32%7C0%7C0%7C638767030578307107%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=X3vGHTDdU8eqfj77XLGcn1myfqvNhPJPaum5dAJcw2Q%3D&reserved=0<https://lore.proxmox.com/pve-devel/20241114150754.374376-1-f.ebner@proxmox.com/>



This includes two example plugins to showcase how it would be used.



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.



best regards

Thomas



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