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Cephalocon 2019 has ended
Barcelona, Spain
May 19-20, 2019
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Monday, May 20 • 14:35 - 15:15
Geographical Redundancy with rbd-mirror: Best Practices, Performance Recommendations, and Pitfalls - Florian Haas, City Network

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rbd-mirror, introduced in the Jewel release, is a means of asynchronously replicating RADOS block device (RBD) content to a remote Ceph cluster. That's all fair and good, but how do I use it? How exactly does the rbd-mirror daemon work, what's the difference between one-way and two-way mirroring, what authentication considerations apply, and how do I deploy it in an automated fashion? How is mirroring related to RBD journaling, and how does that affect my RBD performance? And how do I integrate my mirrored devices into a cloud platform like OpenStack, so I can achieve true site-to-site redundancy and disaster recovery capability for persistent volumes?

This talk gives a run-down of the ins and outs of RBD mirroring, suggests best practices to deploy it, outlines performance considerations, and highlights pitfalls to avoid along the way.

Slides for this talk are at https://fghaas.github.io/cephalocon2019-rbdmirror/

Speakers
avatar for Florian Haas

Florian Haas

VP Education, City Network
Florian runs the Education business unit at City Network, and helps people learn to use, understand, and deploy complex technology. He has worked exclusively with open source software since about 2002, and has been heavily involved in OpenStack and Ceph since early 2012, and in Open... Read More →


Monday May 20, 2019 14:35 - 15:15
G3