SecondSite

SecondSite is a project to provide high availability services via the Xen virtual machine monitor. Its mechanisms include:

frequent virtual machine checkpoints (using iterative copy to minimize downtime)
group-wide checkpoint consistency via network interposition
low-overhead persistent storage checkpointing using the Parallax block device

Papers:

Brendan Cully, Geoffrey Lefebvre, Dutch Meyer, Mike Feeley, Norm Hutchinson and Andrew Warfield Remus: High Availability via Asynchronous Virtual Machine Replication (NSDI 2008) (Awarded best paper)
Dutch Meyer, Gitika Aggarwal, Brendan Cully, Geoffrey Lefebvre, Mike Feeley, Norm Hutchinson and Andrew Warfield Parallax: Virtual Disks for Virtual Machines (EuroSys 2008)
Brendan Cully and Andrew Warfield, SecondSite: Disaster Protection for the Common Server (HotDep 2006) (PDF) (poster)

Posters:

Geoffrey Lefebvre, Brendan Cully, Dutch Meyer, Gitika Aggarwal, Gang Peng, Mike Feeley, Norm Hutchinson and Andrew Warfield, The Difference Engine (Usenix 2007) (abstract)

Presentations:

Brendan Cully, High-speed Checkpointing for High Availability (Xen Summit, Fall 2007)
Brendan Cully, Virtual Machine Checkpointing (Xen Summit, Spring 2007)

Project members: