[PVE-User] Bare metal to proxmox on the same box

[Alwin Antreich]

Hi John,

On 05/17/2016 12:37 PM, John Sullivan wrote:
> Hi Alwin, thanks for the response...
> 
> 
>> as far as I know, ZFS is not a cluster aware filesystem. You will best use
>> NFS/SMB on proxmox for allowing access from
>> multiple guests.
> 
> 
> OK, but I would be able to: a) import and mount the existing zfs pool in
Yes, as proxmox uses debian as its OS, there should be no problem. But check if there isn't any zfs version compatibility.

> the proxmox host, and b) make that available via nfs to virtual machines?
Yes, you can use proxmox as a nfs server.

> And thus c) when I mount the nfs share on the virtual machine, in the same
> location, it will appear as if nothing's changed?
Yes, if the mount point and export settings stay the same.

> 
> 
>> I assume you have other needed services on your Ubuntu machine, otherwise
>> why virtualize it?
> 
> 
> Well, partially it's an experiment, partially it's future-proofing,
> learning, etc. And the server capacity is so far massively underused, so I
> have ideas of what else I can do with the machine once it's virtualised!
As you are using the server for multiple roles, you need to check if there are enough hardware resources. As a rule of
thumb, 1TB of ZFS storage uses 1GB of RAM and you also have VMs and a NFS server running on the host.

Consider this if you also use ZFS on proxmox.
https://pve.proxmox.com/wiki/ZFS#Limit_ZFS_memory_usage

> 
> Me...
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Cheers,
Alwin