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Monday, August 17 • 5:10pm - 5:40pm
Status Update on Xen-COLO HA/FT Solution - Hongyang Yang, Fujitsu

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COLO is a VM replication technique which provides application-agnostic software-implemented hardware fault tolerance "non-stop service". Under COLO mode, both primary VM (PVM) and secondary VM (SVM) are run in parallel. They receive the same request from client, and generate response in parallel too. If the response packets from PVM and SVM are identical, they are released immediately. Otherwise, a VM checkpoint (on demand) is conducted.

COLO patches for Xen have already been sent to the dev maillist and are under review. In this talk, we will talk about the COLO implementation in Xen, the new designed block replication, discussing on problems we've met while developing COLO. Apart from the technical part, we will also present the latest progress from Fujitsu and Intel.

Speakers
HY

Hongyang Yang

Fujitsu
Yang Hongyang is a software engineer at Fujitsu for 7 years. Has been | working on a wide range of software projects at fujitsu, and has contributed | to opensource projects such as Linux, Xen and QEMU. Currently focus on | Virtual Machine (VM) replication projects (Remus on Xen, COLO on QEMU).


Monday August 17, 2015 5:10pm - 5:40pm
Ravenna AB Sheraton Seattle, 1400 6th Ave., Seattle, WA 98101