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

[Gilou]

Le 15/07/2014 10:33, Alexandre DERUMIER a écrit :
> Hi,
>
>>> I'm not trying to make it work, I can see why it doesn't. I would like
>>> to know the reason for having it disabled, if there's one still
>>> standing. And have the condition altered if there's no reason to keep it ;)
>
>
> I need to make a patch to enable resize of virtio0 disk.
>
> It was disabled  because of a bug in previous virtio drivers. (only for the c:\, boot disk),
> giving instant bluescreen.


Hi,

If so, I indeed would like more information on that bug. However, I can 
successfully resize C:\ disks on Windows 2008 R2 & Windows 2012, Windows 
2012 R2 using the latest virtio drivers, so I guess it was fixed, or I 
just didn't hit it...

Cheers

Gilles
>
>
>
>
> ----- Mail original -----
>
> De: "Gilou" <contact+dev at gilouweb.com>
> Cc: pve-user at pve.proxmox.com
> Envoyé: Mercredi 9 Juillet 2014 23:10:33
> Objet: Re: [PVE-User] Hot resize of Windows virtio disks ?
>
> Le 09/07/2014 21:04, Gilberto Nunes a écrit :
>> Hi again
>>
>> First, I thing that I cannot resize the VM disk on-line, because I used
>> an out of date Virtio Drive..
>> So, I install a new VM with Windows 2012 using last Virtio Drive and
>> still can't resize a disk with an online VM!...
>>
>> Is there some bug with Virtio Driver or Qemu?? I'm using
>> Virtio-Win-0.1-81.iso...
> ,
>
> Hi
> The web interface tells you that you can't.. But if you tell Proxmox
> it's Linux inside instead of Windows (or you can also remove the disk,
> qemu-img resize it, then add it back, then issue block_resize
> disk-virtio0 blabla in the monitor), it'll allow the change and Windows
> will work fine with it, afaict.
>
> I'm not trying to make it work, I can see why it doesn't. I would like
> to know the reason for having it disabled, if there's one still
> standing. And have the condition altered if there's no reason to keep it ;)
>
> Cheers
>
> Gilles
>
>>
>> Thanks
>>
>>
>> 2014-07-09 11:50 GMT-03:00 Gilou <contact+dev at gilouweb.com
>> <mailto:contact+dev at gilouweb.com>>:
>>
>> Le 09/07/2014 16:36, Gilberto Nunes a écrit :
>>
>> Hello
>>
>> I have tried here too and get the same error...
>>
>>
>> The code doesn't lie, if you put your OS type to linux, it'll work
>> (or change the .pm file, and restart pvedaemon, but you might not
>> want to do this ;))
>>
>> Cheers,
>>
>> Gilles
>>
>>
>>
>>
>>
>> 2014-07-09 11:25 GMT-03:00 Eneko Lacunza <elacunza at binovo.es
>> <mailto:elacunza at binovo.es>
>> <mailto:elacunza at binovo.es <mailto:elacunza at binovo.es>>>:
>>
>>
>> Hi,
>>
>> I just tested this on a test cluster, and got the same
>> error. If the
>> VM is stopped, it works OK. If <vmid>.conf has hotplug: 1
>> doesn't
>> work either.
>> root at pmx1:/etc/pve/nodes/pmx2# pveversion -v
>> proxmox-ve-2.6.32: 3.2-129 (running kernel: 2.6.32-30-pve)
>> pve-manager: 3.2-4 (running version: 3.2-4/e24a91c1)
>> pve-kernel-2.6.32-30-pve: 2.6.32-130
>> pve-kernel-2.6.32-29-pve: 2.6.32-126
>> lvm2: 2.02.98-pve4
>> clvm: 2.02.98-pve4
>> corosync-pve: 1.4.5-1
>> openais-pve: 1.1.4-3
>> libqb0: 0.11.1-2
>> redhat-cluster-pve: 3.2.0-2
>> resource-agents-pve: 3.9.2-4
>> fence-agents-pve: 4.0.5-1
>> pve-cluster: 3.0-12
>> qemu-server: 3.1-16
>> pve-firmware: 1.1-3
>> libpve-common-perl: 3.0-18
>> libpve-access-control: 3.0-11
>> libpve-storage-perl: 3.0-19
>> pve-libspice-server1: 0.12.4-3
>> vncterm: 1.1-6
>> vzctl: 4.0-1pve5
>> vzprocps: 2.0.11-2
>> vzquota: 3.1-2
>> pve-qemu-kvm: 1.7-8
>> ksm-control-daemon: 1.1-1
>> glusterfs-client: 3.4.2-1
>>
>>
>>
>>
>> On 09/07/14 16:02, Gilou wrote:
>>
>> Hi,
>>
>> I'm new on the list, so if you think this shouldn't be
>> posted
>> here, feel free to direct me elsewhere.
>>
>> I tried to resize a disk on Windows 2012/2008, and I
>> got this error :
>> you can't online resize a virtio windows bootdisk
>>
>> Why not ? It seems to be fully supported on 2008 &
>> 2012, so I
>> wonder if I missed some incompatibility that would blow
>> out at my
>> face..
>>
>> Code is in API2/Qemu.pm:2643 (in 3.2-129)
>> die "you can't online resize a virtio
>> windows bootdisk\n"
>> if
>> PVE::QemuServer::check___running($vmid) &&
>> $conf->{bootdisk} eq $disk && $conf->{ostype} =~ m/^w/
>> && $disk =~
>> m/^virtio/;
>>
>> I would say something like $conf->{ostype} =~ m/^w[^i]/
>> to only
>> match pre-2008 windows, that most likely won't like
>> this kind of
>> resizing (Or let Proxmox believe it's Linux, but I
>> guess that
>> would have other implications, maybe).
>>
>>
>> Regards,
>>
>> Gilles
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>>
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