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Friday, October 27 • 11:15am - 12:00pm
Introducing vhost-user-scsi and Its Applications - Felipe Franciosi, Nutanix

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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.


Friday October 27, 2017 11:15am - 12:00pm
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Attendees (16)