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Monday, September 16 • 10:35am - 11:25am
Better Utilization of Storage Features From KVM Guests Via Virtio-Scsi - Masaki Kimura, Hitachi

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Enterprise systems require availability and manageability. In bare-metal environment, some of these requirements are achieved by using SCSI commands. For example, HA cluster and utilization of thin-provisioned storages are processed by SCSI commands, such as PERSISTENT RESERVATION and WRITE SAME. In virtualized environment, the same use cases exist for guests. As a result, issuing SCSI commands from guests are required. This requirement can be achieved by both virtio-scsi and PCI device assignment. This presentation will show comparison between virtio-scsi and PCI device assignment for the use cases, what can be achieved currently, and what functions need to be implemented. This presentation will focus more on virtio-scsi, because it has more flexibility with its less dependency on underlying hardware.

Target audience is developers on this field and users who have similar use cases.


Masaki Kimura

OSS Engineer, Hitachi Ltd.
Masaki Kimura is an OSS engineer at Hitachi, Ltd. He is currently working on evaluating OpenStack with servers and storages for enterprise use. Especially, he aims at creating high reliable virtualized environment with OpenStack. He had a presentation on KVM storage Layer at LinuxCon... Read More →

Monday September 16, 2013 10:35am - 11:25am
Celestin B

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