Breaking Down the Barriers through Virtualization - Frank Feldman, Red Hat
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Transcript of Breaking Down the Barriers through Virtualization - Frank Feldman, Red Hat
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Breaking down the Barriers through Open Source Virtualization
MSC OSCONF 2009 – June 1st
Frank Feldmann
Red Hat Product Manager - APJ
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● 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
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● 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)
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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
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DEMONSTRATION