[PVE-User] Backup size

Gilberto Nunes gilberto.nunes32 at gmail.com
Fri Apr 4 18:02:14 CEST 2014


Well

Sorry... But I'm stuck!
Perhaps Proxmox masters can answer this questions....




2014-04-04 12:50 GMT-03:00 VIDAL, Thomas (Bioversity-France) <
t.vidal at cgiar.org>:

> Dear Gilberto and Diaolin,
>
> Thanks for your help.
> But I have only linux debian server, and this happens also with the fresh
> and last one I just setting up with nothing else except the basic
> filesystem (500Mo) and for this VM I set a 80G of disk, and then the backup
> size is 20G !
> The thing is if the disk of the VM is 32G, the backup is 17G, if the disk
> of the VM is 100G the backup file size is 30G, and for these VM there are
> nothing except a basic debian system (with no X)
> Since I am using Proxmox I didn't change the storage (DELL MD3200i) and
> the physical server ! It appeared suddendly, maybe with one update, I don't
> know.
>
> Many thanks for your help.
>
> Have a nice week-end
>
> Thomas
>
>
>
>
>
>
> On 04/04/2014 16:53, Diaolin wrote:
>
>> Il 2014-04-04 15:19 VIDAL, Thomas (Bioversity-France) ha scritto:
>>
>>> Dear all,
>>>
>>> I'm using Proxmox version 3.2-1, and since several weeks or months
>>> (but not before) backup of VMs take a long time and this is because
>>> the size of each VMs backup are biggest as before.
>>>
>>>
>> It it is a windows filesystem just use sdelete -z D: or C:
>>
>> sdlete comes from sysinternals
>>
>> download.sysinternals.com/files/SDelete.zip
>>
>> that cleans unused space
>>
>> and with linux
>> install secure-delete
>>
>> or better
>>
>> create a zero file and erase it
>>
>> after that you have all unused sectors clean
>>
>> cat /dev/zero > zero.file
>> rm zero.file
>>
>> Take attention that before "rm" the filesystem will be 100%
>>
>> Ciao, Diaolin
>>
>> ---
>> S'à destacà l'ultima föia dal bósch nét
>> crodàda l'ei, solàgna, 'n mèzz ai sàssi
>> e 'ntant fis-ciava 'n zìfol de oseleti
>> a tegnìr vìo 'l pensér che vèn matìna
>> [Diaolin]
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>>
>
> --
>
>  Thomas VIDAL (t.vidal at cgiar.org)
> Computer Technology Department
>  BANANAS BIOVERSITY
> http://www.promusa.org
> http://www.musanet.org
>
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>
> Please consider the environment - do you really need to print this email?
>
> The software said "Requires Windows 2000, Windows XP, or better,..."
> So I installed Linux Mint !
>
>
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-- 
Gilberto Ferreira
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