when using virtualbox, you sooner or later come to ask “what harddisk format should i choose?”
SHORT: GO FOR VDI! EVERYTHING ELSE IS NOT PROPERLY SUPPORTED!
Want to know why? Keep on reading:
vmdk: is the VMWare “default”
vdi: Is the virtualbox default.
so you might think “hey if virtualbox can do both, why not choose vmdk and be flexible, maybe i want to move th VM to another virtualization system (VMWare, Citrix) and its easier with vmdk”.
… until your host one day runs out of physical harddisk space. What then happens IS UGLY UGLY UGLY!
i just say: “INCONSISTENCY BETWEEN GRAIN TABLE AND BACKUP GRAIN TABL”
… and off you go, googlin’ your ass off… vmware tools… blabla.
You know what happens if you would have choosen to go with the *.vdi format?
A gentle message of VirtualboX “the machine execution has been suspended…. please free some harddisk space”.
And after freeing some space, the machine keeps running as if there was nothing….
Fazit: If you go VirtualBox… go VDI.
(I have not tested this problem with the other formats)
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