dockervirtual-machinevirtualhostvirtualizationparavirtualization

Is there a traditional virtualization other than docker that uses the underlying disk storage without pre-setting a limit?

I know docker can fully use the underlying disk storage without pre-setting a limit. Is there a traditional virtualization technique I've missed such as Xen, KVM, virtualbox etc that can do the same?

Requirement: 1. open source 2. i can configure virtual IPs like kvm, xen etc. 3. can use underlying disk storage like docker (no need pre-set a limit so it can grow to fill all disk space for each and multiple instances)

Solution

  • by using VirtualBox you should be able to get everything required:

    1. It's opensource
    2. You can configure as Virtual-IPs as you want (see https://blogs.oracle.com/scoter/networking-in-virtualbox-v2 )
    3. You can create vdisks (pre-allocated or dynamic), expand them and also use shared-folders (shared between host and guest)

    Simon