Open Stack

Dear community,

We would like to introduce you to a new community-driven OpenStack project
called Ekko.

The aim of Ekko is to provide incremental block-level backup and restore of
Nova instances. We see backups as a key area that is missing in OpenStack.
One issue that has previously prevented backups in OpenStack is the
scalability of the storage backend. Object-storage is the answer to this
scalability problem, but with block-based backups you often see large files
that require POSIX operations to perform retention and deletions. These
operations are not able to be performed in the traditional way in object
storage, which has prevented leveraging object-storage to its full
potential. With Ekko we can solve this issue allowing us to use storage
that can scale with OpenStack.

Based on previous projects [1] and research that has been progressing for
the past 2 years or so, Ekko is being completely written from scratch by
the community, incorporating these learnings. This research combined with a
new feature available in QEMU 2.4 [2] will allow us to bring incremental
block-based backups to OpenStack.

The project is in it's beginning stages, however, we already have active
developers submitting code and collaborating via IRC and code review [3].
We welcome thoughts, questions, and feedback. You can join us on
#openstack-ekko, and be sure to keep an eye out for our talk at the summit
to learn more.

Best Regards,
The Ekko Team

[1] https://github.com/SamYaple/osdk
[2] http://wiki.qemu.org/Features/IncrementalBackup
[3] https://review.openstack.org/#/q/project:openstack/ekko
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