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Date: Fri, 5 Mar 2021 17:55:20 +0100
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To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>,
 Gandalf Corvotempesta <gandalf.corvotempesta@gmail.com>
References: <CAJH6TXgEMtC8DyzhdCFspUjrMmWcPnjYyj7TzLvaNDeqH+zxBw@mail.gmail.com>
From: Thomas Lamprecht <t.lamprecht@proxmox.com>
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Subject: Re: [pve-devel] qm set in bytes
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On 05.03.21 17:25, Gandalf Corvotempesta wrote:
> Ciao,
> i'm almost done in creating a script to directly import a XenServer VM
> storage to Proxmox (without exporting the XVA file, decompress,
> convert and so on).
> 
> I just need to know how to create ad attach a ZFS volume to an
> existing PVE VM, in bytes.
> In example, my source disk is 4311744512 how can I create the same
> exact zfs pool ?
> 
> "qm set" only allow a GB size and 4311744512/1024/1024/1024 result in
> a 4GB image that is too small

You can pass a floating point number, i.e., in this case:
4311744512/1024/1024/1024 == 4.015625

The image will then be rounded up with the target storage blocksize, if
it does not matches it exact.

hope that helps!

Thomas