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

Gilberto Nunes gilberto.nunes32 at gmail.com
Tue Jul 15 18:44:10 CEST 2014


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 an out of date Virtio Drive..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)
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>> >>
>> >>
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>> >>
>> >>
>> >> --
>> >> Gilberto Ferreira
>> >>
>> >>
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>> >>
>> >>
>> >>
>> >> --
>> >> Gilberto Ferreira
>> >
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>
>
>
> --
> Gilberto Ferreira
>



-- 
Gilberto Ferreira
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