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July 11 - 13, 2022 | Portland, Oregon + Virtual
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Wednesday, July 13 • 11:50am - 12:00pm
[Virtual] Lightning Talk: Ceph and QCOW2 a Match Made in Heaven: From Live Migration to Differential Snapshots - Effi Ofer, IBM

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QCOW2 is a sparse disk image format made popular by the QEMU emulator and virtualizer. Ceph RBD has its own native storage format and supports exporting its own native disk image format. However, many image ecosystems are built around the QCOW2 format, making it advantageous to use the QCOW2 image format in an external image repository for compatibility as well as advanced features. In this talk we discuss how to enable export and live migration in Ceph of sparse QCOW2 differential images using the Network Block Device, NBD, protocol. As well, we describe future changes to enable native support of the NBD protocol in Ceph in order to facilitate easier adoption of the QCOW2 format with Ceph.
Speakers
avatar for Effi Ofer

Effi Ofer

Researcher, IBM
Effi Ofer is a researcher at IBM with interests in data analytics and storage. He is currently building a next generation cloud scale block storage service. Prior to joining research, Effi was a lead developer on IBM Db2 where he lead various projects in the areas of transaction management... Read More →

Wednesday July 13, 2022 11:50am - 12:00pm PDT
Regency Ballroom C
  Lightning Talks