Migration Proxmox + ZFS to TrueNAS SCALE

[rcd]

I run a Proxmox server with a ZFS Raid-Z data array. I'd like to move to TrueNAS SCALE as soon as it becomes stable enough - maybe late BETA or RC stage.

1) At that time, will it be possible simply to boot and install TrueNAS SCALE on the server and import the existing Raid-Z data array without data loss?

2) Will existing KVM virtual machines be importable, i.e. through standard snapshots (vzdump) ?

3) In the meantime I'd like to familiarize me with some of the functions and interface, and install TrueNAS SCALE in a Proxmox LXC CT (container). I know I can run it in a KVM VM, but using a LXC container allows me to bind-mount datasets from the hypervisor to the container, which is more efficient than having to go through another network layer like SMB or NFS. In order to do that I'd need a TrueNAS SCALE LXC template though - anyone know if that exist?

 

[ornias]

1)
Import the data: yes
Use the old jail and VM data: No or at least not completely

2)
Not via standard tools afaik, but you should be able to magic the images into a new VM within a day or two.

3)
Not supported and quite ill adviced. SCALE is build on a specific kernel including very specific kernel packages/modifications.
You WILL, at the very least, break a lot and it won't work as expected. worst case you loose data.

 

[rcd]

Thanks. I guess I'll just have to lean back and wait for now.

According to https://www.ixsystems.com/blog/truenas-scale-release-plan/ BETA was scheduled for Q1 so I guess the plan has slipped a bit - do you know if there is a revised plan somewhere?

 

[ornias]

Thanks. I guess I'll just have to lean back and wait for now.

According to https://www.ixsystems.com/blog/truenas-scale-release-plan/ BETA was scheduled for Q1 so I guess the plan has slipped a bit - do you know if there is a revised plan somewhere?

The release plan as stated on the forum and the devnotes (docs) has been 21.06BETA as first BETA.

 

[rcd]

I'm not sure what you mean by "magic the images"? Literally meaning something like imagemagick or "hack in some way" ?

Constructive suggestions very welcome. Surely I'm not the only person coming from Proxmox.

 

[alveolina]

Well acutally I now have the same problem. I thought I would be able to magically use the Proxmox VMs in Trunas Scale ... I would have lost all my work is this is not possible :-(

 

[sretalla]

You can absolutely do that (also note you necroed this thread from pre-release times).

You may need to convert the disk(s) if they were in qcow format...

KVM not recognizing disks in qcow2 format (TrueNAS Scale)

On my existing KVM servers, which run ubuntu 16.04, I am able to build a new VM and point at an existing VM disk, which is in qcow2 format and boot that OS disk without any trouble. I tried to do the same thing with TrueNAS scale, but am not having much luck. I create a new VM, then go back...

www.truenas.com