Sheepdog - Distributed Storage System for QEMU

Sheepdog is a distributed object storage system for volume and container services and manages the disks and nodes intelligently. Sheepdog features ease of use, simplicity of code and can scale out to thousands of nodes. The block level volume abstraction can be attached to QEMU virtual machines and Linux SCSI Target and supports advanced volume management features such as snapshot, cloning, and thin provisioning.

The object level container abstraction is designed to be Openstack Swift and Amazon S3 API compatible and can be used to store and retrieve any amount of data with a simple web services interface.