VP, Engineering bryan@joyent.com Bryan Cantrill Experiences Porting KVM to SmartOS @bcantrill WTF is SmartOS? • illumos-derived OS that is the foundation of both Joyentʼs public cloud and SmartDataCenter product • As an illumos derivative, has several key features: • ZFS: Enterprise-class copy-on-write filesystem featuring constant time snapshots, writable clones, built-in compression, checksummin