Breaking down the Barriers through Open Source Virtualization

MSC OSCONF 2009 – June 1st

Frank Feldmann

Red Hat Product Manager - APJ

● KVM: Kernel-based Virtual Machine – Full virtualization solution for Linux

• Incorporated into the Linux kernel in 2006

• Converts Linux into a hypervisor. Runs Windows, Linux and other guests

• KVM architecture provides high “feature-velocity” – leverages the power of Linux

● KVM: Kernel-based Virtual Machine – Full virtualization solution for Linux

• Incorporated into the Linux kernel in 2006

• Converts Linux into a hypervisor. Runs Windows, Linux and other guests

• KVM architecture provides high “feature-velocity” – leverages the power of Linux

• Scalability– Host Scalability – theoretically unlimited.

Tested 256 cores, 1 TB RAM– Guest Scalability – 16vCPU, 64 GB RAM

• Industry Standards – VirtIO network and block drivers – Libvirt/CIM management interface

● Storage and networking

– FC, iSCSI, NAS/NFS– Host/guest networking – multiple VLANs

• Advanced Features– Memory Page sharing, swapping etc. – VM-Secure (SELinux)

 Feature Description

High Availability  Restart guest VMs from failed hosts automatically on other hosts

Live Migration  Move running VM from 1 host to another. 0 downtime, 0 sessions lost.

System Scheduler  Continuously load balance VMs based on resource usage/policies

Power Saver  Concentrate VMs on fewer servers during off-peak hrs. Save power.

Maintenance Manager  0 downtime for VMs during planned maintenance window

Image Manager Snapshots, Templates, Overlays, Save / Restore

Monitoring and Reporting For all objects in system – VM guests, hosts, networking, storage etc.

RHEV Overview

DEMONSTRATION