[PVE-User] Proxmox is lying to me??

Sun Aug 17 18:41:06 CEST 2014

Yes.... I tried to delete any snapshot... But I was unable to do that..

And I agree... This is a feature about Linux/Qemu... My subject is just to
know exactly what happen...

I convert to raw and to qcow2 again and everything is good again!

Thank you a lot

2014-08-17 13:31 GMT-03:00 Pongrácz István <pongracz.istvan at gmail.com>:

>
> Hi,
>
> First of all, proxmox has nothing to do with this, because this is a
> linux/qemu feature and not the distribution.
>
> My question: you created 13 snapshot on windows and the differences
> between them have zero space?
>
> Normally windows change the data on the disk a lot of times per days.
>
> For example:
>
>    - logs,
>    - active data of user apps,
>    - virtual memory (this could be huge!)
>
> So, my opinion, all changes of your 13 snapshot could be easily 160GB and
> that's all.
>
> When you converted your qcow2 image to raw, you only got your recent data
> and drop all snapshots.
>
> So, test the theory:
>
>    - create backup,
>    - delete each snapshot one by one, check the filesize
>
> My general advice:
>
>    - before you start using a framework like proxmox, you should learn
>    some basics about the used techniques,
>    - you should get experiences with windows to see for example, how
>    often it touch the disk under your workload,
>    - even it seems very easy to use proxmox and we all like it, that does
>    not mean, one will be safe running such a system without knowledge
>
> I guess it is a test machine and you are experimenting with proxmox. If it
> is a production system, cross fingers. :)
>
> Anyway, personally I changed to ZFS on linux local filesystem, instead of
> the default or hardware raid or other software raid solutions. My benefits:
>
>    - on the fly compression
>    - unlimited snapshots for all kind of VMs
>    - zero-time backup (with snapshot - 0 time instead of 8-10 hours heavy
>    workload and it does not need a lot of free space)
>    - off-site backup is easy
>
> I was sick about the necessary backup time and workload, wasted space,
> slow remote backup etc.
>
> Bye,
>
> István
>
>
>
>
>
> ----------------eredeti üzenet-----------------
> Feladó: "Gilberto Nunes" <gilberto.nunes32 at gmail.com>
> Címzett: "Dietmar Maurer" <dietmar at proxmox.com>
> CC: "pve-user at pve.proxmox.com" <pve-user at pve.proxmox.com>
> Dátum: Fri, 15 Aug 2014 14:14:54 -0300
> ----------------------------------------------------------
>
>
> Ok...
>
> I have some snaps:
>
>  qemu-img info vm-100-disk-1.qcow2
> image: vm-100-disk-1.qcow2
> file format: qcow2
> virtual size: 160G (171798691840 bytes)
> disk size: 319G
> cluster_size: 65536
> Snapshot list:
> ID        TAG                 VM SIZE                DATE       VM CLOCK
> 1         Teste                     0 2014-03-22 20:00:23   00:29:10.883
> 2         ApenasADlimpo             0 2014-03-22 20:06:22   00:35:08.841
> 3         UsuariosADcriados         0 2014-03-22 20:45:56   01:14:42.334
> 4         Sophos                    0 2014-03-23 13:02:02   08:56:30.581
> 5         XAMP                      0 2014-03-23 17:37:47   03:41:09.184
> 6         WTS                       0 2014-03-23 18:19:48   04:23:07.400
> 7         WTSFUNCIONANDOCOMLICENCA      0 2014-03-23 19:16:33
> 00:17:48.046
> 8         Importacao90PORC          0 2014-03-24 00:23:15   05:24:27.904
> 9         Tudocerto                 0 2014-03-24 00:30:11   05:31:00.140
> 10        Processador1              0 2014-03-24 09:53:51   14:54:36.060
> 11        XAMPPCONFIG               0 2014-03-24 10:58:31   15:59:12.578
> 12        AntesXAMPPSILVIO          0 2014-04-03 17:47:52  246:11:34.368
> 13        SistemaAgora              0 2014-04-04 14:01:17  266:24:51.977
> Format specific information:
>     compat: 1.1
>     lazy refcounts: false
>
>
> But, as we can see on "VM SIZE" all ZERO!
> Still, I  have disk size 319G! Why?
>
>
> 2014-08-15 5:04 GMT-03:00 Dietmar Maurer <dietmar at proxmox.com>:
>
>> > On Linux system, du -chs /var/lib/vz show me just 167GB...
>>
>> This is the output from:
>>
>> # qemu-img info ...
>>
>> > But, when I do ls -l /var/lib/vz/images/101/image.cqow2, show 319GB!!!
>> >
>> > I'm also confused on that!
>>
>> Maybe you store snapshots?
>>
>>
>
>
> --
>  Obrigado
>
> Cordialmente
>
> Gilberto Ferreira
>
> [image: images?q=tbn:ANd9GcQh4Erzr4UMa0fHj33krlB]
> Konnecta TI Tecnologia - Sistemas de Virtualização, Soluções de
> Armazenamento de Dados, Criação de SAN/NAS, Zimbra Mail Server, Implantação
> de Linux e Windows server.
>
> Fundação Softville
> Rua Otto Boehm, 48
>
> (47) 9676-7530
>
> Skype: gilberto.nunes36
>
>
>
> www.konnectati.com.br
>
> blog.konnectati.com.br
>   ------------------------------
>
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>
>
>

-- 
Obrigado

Cordialmente

Gilberto Ferreira

Konnecta TI Tecnologia - Sistemas de Virtualização, Soluções de
Armazenamento de Dados, Criação de SAN/NAS, Zimbra Mail Server, Implantação
de Linux e Windows server.

 Fundação Softville
Rua Otto Boehm, 48

(47) 9676-7530

Skype: gilberto.nunes36

www.konnectati.com.br

blog.konnectati.com.br
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