38918d8754
ekko is a project that will bring block-based backup to OpenStack in a way that is scallable by using object-storage for the backend. The backup itself is enabled by a new feature in QEMU 2.4 that allows for changed block tracking and incremental backups of running VMs. A common feature I have seen requested throughout the community is true block-based backups of VMs. I have been working on a way to solve the scalability issue of backups for a while [1] and now that QEMU has officially released this feature we can bring backup to OpenStack in a way that is as scallable as OpenStack itself using Swift as a backend. This would be different than a nova snapshot because that is not a true backup. That does not allow for the space savings of incremental backups nor compression or encryption which are requirements for a good backup in my experience. Future goals would including bringing this to other hypervisors since Hyper-V and VMWare both support CBT and incremental backups of running VMs. As well as potentially backing up Cinder volumes in a similiar fashion. [1] https://github.com/SamYaple/osdk Change-Id: Ie0a726f0cad669593080a1910dff6ed2ae7cae71 |
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