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

[Gilberto Nunes]

On the other hand, I lost the ability to take snapshots... =(


2014-07-15 11:59 GMT-03:00 Gilberto Nunes <gilberto.nunes32 at gmail.com>:

> Gilou...
>
> Here I have installed a Windows 2012 with raw disk and with virtio...
> I am able to resize C: disk of Windows 2012...
>
>
>
>
> 2014-07-15 8:11 GMT-03:00 Gilberto Nunes <gilberto.nunes32 at gmail.com>:
>
>  Hi
>> Did you tried to change the SCSI Type to VIRTIO??
>> I did it before and work fine... It's a VM running Windows 2021...
>>
>>
>> 2014-07-15 6:01 GMT-03:00 Gilou <contact+dev at gilouweb.com>:
>>
>> 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 an out of date Virtio Drive..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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>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Zuzendari Teknikoa / Director Técnico
>>>>> Binovo IT Human Project, S.L.
>>>>> Telf. 943575997
>>>>> 943493611
>>>>> Astigarraga bidea 2, planta 6 dcha., ofi. 3-2; 20180
>>>>> Oiartzun (Gipuzkoa)
>>>>> www.binovo.es <http://www.binovo.es> <http://www.binovo.es>
>>>>>
>>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Gilberto Ferreira
>>>>>
>>>>>
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>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Gilberto Ferreira
>>>>>
>>>>
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>>
>>
>>
>> --
>> Gilberto Ferreira
>>
>
>
>
> --
> Gilberto Ferreira
>



-- 
Gilberto Ferreira
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