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October 25-27, 2017 - Prague, Czech Republic
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Friday, October 27 • 11:15 - 12:00
Introducing vhost-user-scsi and It's Applications - Felipe Franciosi, Nutanix & James Harris, Intel

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Qemu provides many powerful storage backends supporting several disk format types. In some cases, however, it may be a design requirement to have a single process managing a storage backend for multiple VMs (similar to what vhost-user-net delivers for networking).

To bring the same concept for storage, we are introducing vhost-user-scsi. This is a new Qemu backend now merged in master which allows a separate process to take ownership of a virtio-scsi device. The flexibility of this model allows such an application to be implemented as a single process for multiple controllers or as one process per controller for added isolation.

In this joint talk by Nutanix and Intel we will introduce the vhost-user-scsi backend, discuss its implementation in Qemu and show how it can be used to achieve amazing performance when integrated with SPDK to explore local and remote NVMe controllers.

Speakers
avatar for Felipe Franciosi

Felipe Franciosi

Senior Staff Software Engineer, Nutanix
Felipe is a Senior Staff Software Engineer working for Nutanix since 2015, more specifically leading the engineering efforts of the Acropolis Hypervisor (AHV). He brings nearly 20 years of expertise in storage performance and virtualisation. This includes four years at Citrix working... Read More →
avatar for Jim Harris

Jim Harris

Intel, Principal Software Engineer
Jim is a principal software engineer in Intel's Data Center Group and a core maintainer of the Storage Performance Development Kit (SPDK) open source project. Jim was instrumental in starting the SPDK project in 2013 to provide a framework for building high performance storage software... Read More →



Friday October 27, 2017 11:15 - 12:00 CEST
Rokoska / Palmovka