[pve-devel] ProxmoxVE with QuantaStor

[pve-devel] ProxmoxVE with QuantaStor

[Seth Cagampang via pve-devel]

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From: Seth Cagampang <seth.cagampang@osnexus.com>
To: pve-devel@lists.proxmox.com
Subject: ProxmoxVE with QuantaStor
Date: Mon, 24 Nov 2025 13:22:03 -0800
Message-ID: <CABaJVXOq+HZoJkQLOhhwxCue2wkQ-Y-xGQZXxcT2_JALoedOBQ@mail.gmail.com>

Hi all,

I wanted to share an update on the Proxmox VE storage plugin I’ve been
developing for a ZFS-over-iSCSI backend using the OSNEXUS QuantaStor API. I
now have a pre-release version available on GitHub here
<https://github.com/OSNEXUS/pve-quantastor-plugin/tree/master>, and I’ve
recently completed compatibility work for PVE 8.4 and 9.1. The core
provisioning workflow is functional: Proxmox can create VM disks from a
QuantaStor-backed storage configuration, and I’ve validated basic
end-to-end operations by installing a QuantaStor VM from ISO on PVE with
its disks hosted on ZVOLs provisioned through the plugin. Simple I/O tests
have also been successful. Additionally, I added support for VM to
Template, VM/Template clone, snapshot, move storage, and rollback PVE
functions. There is still testing to be done and more features to support.
Any feedback is appreciated.
We are interested in getting our plug-in shipped with Proxmox.  Is there a
technology partner program for that?  All code is on Github under MIT
license.

-- 
Seth Cagampang
Senior Software Engineer
OSNEXUS Corporation

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Re: [pve-devel] ProxmoxVE with QuantaStor

[Fabian Grünbichler]

On November 24, 2025 10:22 pm, Seth Cagampang via pve-devel wrote:
> Hi all,
> 
> I wanted to share an update on the Proxmox VE storage plugin I've been
> developing for a ZFS-over-iSCSI backend using the OSNEXUS QuantaStor
> API. I now have a pre-release version available on GitHub here
> <https://github.com/OSNEXUS/pve-quantastor-plugin/tree/master>, and
> I've recently completed compatibility work for PVE 8.4 and 9.1. The
> core provisioning workflow is functional: Proxmox can create VM disks
> from a QuantaStor-backed storage configuration, and I've validated
> basic end-to-end operations by installing a QuantaStor VM from ISO on
> PVE with its disks hosted on ZVOLs provisioned through the plugin.
> Simple I/O tests have also been successful. Additionally, I added
> support for VM to Template, VM/Template clone, snapshot, move storage,
> and rollback PVE functions. There is still testing to be done and more
> features to support. Any feedback is appreciated.

It might make sense to post this on our community forum as well, in case
you haven't already!

> We are interested in getting our plug-in shipped with Proxmox.  Is there a
> technology partner program for that?  All code is on Github under MIT
> license.

See https://pve.proxmox.com/wiki/Storage_Plugin_Development#Native_Integration_of_Your_Plugin

The one-sentence summary: we only consider fully open source storages
for inclusion.

Max is currently working on UI integration for custom storage plugins,
which might also be of interest:

https://lore.proxmox.com/pve-devel/20251121165858.818307-1-m.carrara@proxmox.com/

Fabian


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