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November 17–November 20, 2020
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Thursday, November 19 • 4:50pm - 5:25pm
Whatever Can Go Wrong, Will Go Wrong – Rook/Ceph and Storage Failures - Sagy Volkov, Red Hat

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Imagine running a 200-node Kubernetes cluster, and suddenly you lost a node or even a ToR switch. What is the state of your persistent storage that your application relies on? How can you make sure your storage is always available? How can you time and plan how long it takes for your storage to get back to 100% resiliency? In this presentation we’ll go over the basics of storage demands (RPO/RTO), How different types of replications in Ceph impact our recovery time, and how components failure such as drive, node or cluster determine how long we are at risk. We'll include a live demo of a Rook/Ceph recovery process from a failed component. We'll show what components of Rook are recreated, how Ceph behaves during components/pods recreation, and what is the impact on the application while these failures occur (In our case the application will be MariaDB).

avatar for Sagy Volkov

Sagy Volkov

Storage Performance Architect, Red Hat
Sagy Volkov is a former performance engineer in ScaleIO (initiated the performance engineering group and the ScaleIO enterprise advocates group) and architected the ScaleIO storage appliance reporting to the CTO/founder of ScaleIO. He is now with Red Hat as a storage performance instigator... Read More →

Thursday November 19, 2020 4:50pm - 5:25pm EST
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