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

Gilberto Nunes gilberto.nunes32 at gmail.com
Tue Jul 15 22:35:17 CEST 2014 

I don't know if this happen just to me, but I had to reinstall the VM with
Windows 2012, and now the hot disk resize doesn't work!...

I used Virtio disk, Raw format, and Type Scsi as VIRTIO!
I also install last version of Virtio-win drivers, with means,
virtio-win-0.1-81.iso...

Any advice?


2014-07-15 13:44 GMT-03:00 Gilberto Nunes <gilberto.nunes32 at gmail.com>:

> To be honest, I don't know the difference between one and ohter:
> virtio-scsi and virtio-blk...
> Can you point me some docs??
>
> Thanks
>
>
> 2014-07-15 13:35 GMT-03:00 Gilberto Nunes <gilberto.nunes32 at gmail.com>:
>
> Sorry... Perhaps I misunderstood something...
>>
>>
>> 2014-07-15 13:19 GMT-03:00 Alexandre DERUMIER <aderumier at odiso.com>:
>>
>> >>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...
>>>
>>> I should be more precise:
>>>
>>> virtio-scsi is working fine since the beginning. (proxmox : scsi disk +
>>> virtio scsi controller in options)
>>>
>>> but virtio-blk was buggy (proxmox : virtio disk)
>>>
>>>
>>>
>>> ----- Mail original -----
>>>
>>> De: "Gilou" <contact+dev at gilouweb.com>
>>> Cc: pve-user at pve.proxmox.com
>>> Envoyé: Mardi 15 Juillet 2014 11:01:26
>>> Objet: Re: [PVE-User] Hot resize of Windows virtio disks ?
>>>
>>> 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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