[PVE-User] Hot resize of Windows virtio disks ?

Gilberto Nunes gilberto.nunes32 at gmail.com
Wed Jul 9 22:29:36 CEST 2014

Well, I don't know you guys, but I get it here...

I change the SCSI Type to VIRTIO and now I am able to resize the disk... I
am running a Windows 2012, with Virtio qcow2 disk and SCSI Controller Type
as VIRTIO...


2014-07-09 16:46 GMT-03:00 Alain Péan <alain.pean at lpn.cnrs.fr>:

> Hi Gilberto,
> Le 09/07/2014 21:20, Gilberto Nunes a écrit :
>  I make some research here, I seems to me that resize disk works only with
>> no-system boot disk.
>> So, with C: wouldn't work!
> If you read carefully the first post, and the code extract, it seems that
> it is caused by the Proxmox code in qemi.pm, that says :
> "die "you can't online resize a virtio windows bootdisk\n" "
> So it is explicitly forbiden by the code, even if it should be possible
> wirh Win7/8, 2008 R2/2012 (I never tried and did not verified).
> It requires some change in the code, allowing resizing for thses OSes.
> Alain
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Gilberto Ferreira
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