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

["Max R. Carrara" <m.carrara@proxmox.com>]

On Fri Oct 17, 2025 at 5:16 AM CEST, Lorne Guse wrote:
> This most commonly applies to network-based storage technologies, for example NFS, SMB, iSCSI, and so on. In fact, all network-based storage types provided by default are automatically marked as shared internally. See here<https://pve.proxmox.com/wiki/Storage#_storage_types> for a full list of all built-in storage types.
>
> I assumed this applied to my plugin because it is using iSCSI. Not a big deal. I actually think that the user may want to choose not to share the storage, so having the option seem good.

Okay, thanks for letting me know! Maybe I'll add a little extra
paragraph or something, just in case.

>
>
> ________________________________
> From: Max R. Carrara <m.carrara@proxmox.com>
> Sent: Monday, October 13, 2025 6:18 AM
> To: Lorne Guse <boomshankerx@hotmail.com>; Proxmox VE development discussion <pve-devel@lists.proxmox.com>; Morgan Littlewood <morgan@truenas.com>
> Subject: Re: TrueNAS over iSCSI: Issue migrating VMs
>
> 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://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpve.proxmox.com%2Fmediawiki%2Findex.php%3Ftitle%3DStorage_Plugin_Development%3A_Writing_a_Storage_Plugin_for_SSHFS%23Supporting_Storage_Sharing&data=05%7C02%7C%7C07f1a6f7118c4b179f1608de0a5293cf%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638959546954125027%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=Q04Vgvfu6ADA%2F0NTZ6WP9cBhJE8JiEEQxI3bFS4cebo%3D&reserved=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@hotmail.com>
> > Sent: Tuesday, October 7, 2025 2:25:33 PM
> > To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>; m.carrara@proxmox.com <m.carrara@proxmox.com>; Morgan Littlewood <morgan@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?



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