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

Gilberto Nunes gilberto.nunes32 at gmail.com
Tue Jul 15 18:18:30 CEST 2014


Sure!... So, everytime that I need resize the disk space I move the disk to
raw format back.. Nice idea!


2014-07-15 13:15 GMT-03:00 Alexandre DERUMIER <aderumier at odiso.com>:

> >>On the other hand, I lost the ability to take snapshots... =(
>
> you can use "move disk" to convert it to qcow2 if you want. (in live)
>
>
>
> ----- Mail original -----
>
> De: "Gilberto Nunes" <gilberto.nunes32 at gmail.com>
> À: "Gilou" <contact+dev at gilouweb.com>
> Cc: pve-user at pve.proxmox.com
> Envoyé: Mardi 15 Juillet 2014 17:06:29
> Objet: Re: [PVE-User] Hot resize of Windows virtio disks ?
>
>
> 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 > :
>
>
>
> <blockquote>
>
>
>
> 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 > :
>
>
>
> <blockquote>
> Le 15/07/2014 10:33, Alexandre DERUMIER a écrit :
>
>
> <blockquote>
> Hi,
>
>
> <blockquote>
>
> <blockquote>
> 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 ;)
>
>
>
> </blockquote>
>
>
> 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.
>
> </blockquote>
>
>
> 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
>
>
>
> <blockquote>
>
>
>
>
> ----- 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 :
>
> <blockquote>
> 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...
>
> </blockquote>
> ,
>
> 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
>
>
> <blockquote>
>
> 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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