© 2008 IBM Corporation IBM Research Paravirtualized File Systems Eric Van Hensbergen IBM Austin Research Lab (bergevan@us.ibm.com) KVM Forum 2008 2 IBM Research Paravirtualized File Systems – KVM Forum 2008 © 2008 IBM Corporation Agenda Motivation: Why File Systems? Overview of Approach (9P over Virtio) 9P Basics Using 9P/virtio with KVM Preliminary Performance Future Work 3 IBM Research Paravirt