[pve-devel] TrueNAS over iSCSI: Issue migrating VMs

[Max R. Carrara]

On Tue Oct 7, 2025 at 11:03 PM CEST, Lorne Guse wrote:
> I managed to answer my own question. I implemented the shared option and explicitly set it to 1. I found it in the documentation but got confused when it indicated that all network types are automatically marked shared in the background.

Do you mean this chapter [0]?

Could you perhaps let me know what in particular was confusing? Maybe I
can rephrase some things there.

FWIW, making it possible to *always* mark a plugin's storage configs as
shared (like the built-in ones) is on my backlog, but I haven't gotten
around to implementing that yet.

>
> Migration now works as expected.

Glad it works!

[0]: https://pve.proxmox.com/mediawiki/index.php?title=Storage_Plugin_Development:_Writing_a_Storage_Plugin_for_SSHFS#Supporting_Storage_Sharing

>
> --
> Lorne Guse
> ________________________________
> From: Lorne Guse <boomshankerx at hotmail.com>
> Sent: Tuesday, October 7, 2025 2:25:33 PM
> To: Proxmox VE development discussion <pve-devel at lists.proxmox.com>; m.carrara at proxmox.com <m.carrara at proxmox.com>; Morgan Littlewood <morgan at truenas.com>
> Subject: TrueNAS over iSCSI: Issue migrating VMs
>
> I'm experiencing an issue migrating VMs.
>
> 2025-10-07 14:12:08 use dedicated network address for sending migration traffic (10.11.11.6)
> 2025-10-07 14:12:09 starting migration of VM 103 to node 'prox2' (10.11.11.6)
> 2025-10-07 14:12:09 found local disk 'nas:vm-103-disk-0' (attached)
> 2025-10-07 14:12:09 ERROR: Problem found while scanning volumes - can't migrate 'nas:vm-103-disk-0' - storage type 'truenas' not supported
> 2025-10-07 14:12:09 aborting phase 1 - cleanup resources
> 2025-10-07 14:12:09 ERROR: migration aborted (duration 00:00:01): Problem found while scanning volumes - can't migrate 'nas:vm-103-disk-0' - storage type 'truenas' not supported
> TASK ERROR: migration aborted
>
> I've been bouncing back and forth between the patch plugin and native plugin. I thought I had tested migrations with the new plugin in earlier versions.
>
> Does my storage have to be explicitly marked as shared?