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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)

John Doe
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  • In VirtualBox and KVM you can mount block devices directly to the virtual machine – Nik May 17 '18 at 18:52

1 Answers1

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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

Simon
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