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Windows 7: To Zip a .vdi file of VirtualBox

18 Dec 2016   #1
KianWilliam

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
 
 
To Zip a .vdi file of VirtualBox

Greetings:
I have virtualbox with a few VMs. (Naturally host win7 ultimate)
I want to back them up in my flash, could I just zip vdi files and simply copy and paste the vdi file in my flash?
e.g ubuntu 14.5 GB turns into 4.7GB as zip file.
Thanks a head
KianWilliam


My System SpecsSystem Spec
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18 Dec 2016   #2
samuria

win 8 32 bit
 
 

There should be no problem it may be worth doing a test by zipping then unzip and make sure it works
My System SpecsSystem Spec
18 Dec 2016   #3
Alejandro85

Windows 7 Ultimate x64
 
 

You definitely can copy and backup the vdi file, but it's not the best way. The reason is that it only contains the hard disk image, but not the rest of the settings of the VM, which you should recreate from scratch.

Instead use the import/export appliance option of VirtualBox. This creates a new file (a .ova or .ovf format) that contains not only the hard disk images, but all the configuration and settings (like processor, memory, virtualized hardware and so on) that conforms the VM. This file can latter be reimported when restoring the VM, even if using another hypervisor, not just VirtualBox (it's a standard format).

Just export the VM, backup the resulting file, then delete the VM. You can restore from the .ova/.ovf file alone.
My System SpecsSystem Spec
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19 Dec 2016   #4
KianWilliam

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Thank you for the response.
Which format is best for an .ovf file? While creating it do I have to check write manifest file?
Also Could I zip an .ovf file?
My host is win7 ultimate, planning to change os to win10 in 7 or 9 months, that is why little by little I am collecting my files
in flash so that I shall import them in the new operating system.
regards
KianWilliam
My System SpecsSystem Spec
22 Dec 2016   #5
Alejandro85

Windows 7 Ultimate x64
 
 

I generally use the latest supported format, unless you're planning to use another hypervisor without support for those. Also, use .ova for keeping it all in a single file. I would generally also include the manifest file, although I'm not entirely sure of what it actually does, it seems to be necessary for some kinds of imports or as a checksum, but unclear to me, and Google as contradicting results.
Of course you can zip a .ovf file, just like any other file. I would expect similar compression rates as with the plain .vdi zip, as the disk image is the bulk of its content.
My System SpecsSystem Spec
22 Dec 2016   #6
KianWilliam

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

ok, thank you very much.
KianWilliam
My System SpecsSystem Spec
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 To Zip a .vdi file of VirtualBox




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