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Moving a Proxmoc 256 MB NVMe install to larger NVMe (lemmy.ml)

submitted 1 month ago by trilobite@lemmy.ml to c/selfhosted@lemmy.world

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Finally managed to get my hands on 2x1TB NVMe's. Budgets are tight these days ... :-) They are Crucial P310 ... hope they are reliable, although I suspect nowhere near Samsung stuff.

I have a little Proxmox installation running a VM on a 256GB NVMe, which as you can imagine is tight. Is there a way of cloning this installing on one of the new NVMes?

Reason why I have 2x new NVMe is that I want to eventually get myself to Proxmox HA, so that the two machines (two little Optiplex 5070, one of which has the 256GB install) provide me with redundancy.

First thing is to clone the 256GB install to the larger NVMe. Would it be an idea to go this way: a) install 1TB new NVMe on spare Optiplex b) install Proxmox on this new machine c) find a way to replicate the whole 256GB install on the second machine (need to read the docs to see if/how this can happen) d) once second machine is up and running as a clone, remove machine with 256GB (current machine) and install the 1TB NVMe. e) do the same above process the other way around.

Do you think this will work or am I going to hit a wall? Is there a simpler way of doing this?

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[–] trilobite@lemmy.ml 1 points 1 month ago (1 children)

Ok, but I assume this means that I have to configure the new node from scratch, adding the storage, etc. Correct? So the steps would be:

a) build new node with spare Optiplex + 1 new NVMe and install Proxmox from scratch b) configure the new node and add to the cluster c) migrate the VM from old now to new node d) decomission old node but installing the 2nd NVMe and Proxmox from scratch e) add the second rebuilt node to the cluster again.

Did I get this right?

[–] pgo_lemmy@feddit.it 1 points 1 month ago (1 children)

This is the way. 🤭

The second install should be easier since is done just after a test one.

[–] trilobite@lemmy.ml 1 points 1 month ago

So I created an ext4 256GB partition at install time hoping when logged in the GUI, I would get the option to create a ZFS partition on the free space of the NVMe. However. the free space is not showing up under disk and I don't get the option to add another partition, whether ZFS or other. Any clues why this would be?