FreeBSD has been ported to run on the Xen hypervisor on x86 and is in the
being ported to Sun's hypervisor on the sun4v. This commoditization of
hypervisors has made the open source community increasingly aware of the
benefits that they can bring to the data center and the developer.
Benefits frequently cited are:
- Server Consolidation, increasing server utilization, typical is at 15%
- Business Continuity, live relocation
- zero downtime maintenance
- instant-on provisioning
- optimizing application resource provisioning
- Decoupling the OS from the underlying hardware
- MMU changes can be made independently of the OS, e.g. Sun's T1 HV
- live migration
- virtual devices can map to arbitrary physical devices
- debugging / fault isolating drivers, running drivers in their own
This talk will cover the services provided by hypervisors, the changes that
need to be made to FreeBSD to support them as paravirtual guests, the
tradeoffs versus emulation (VMWare, QEMU, etc.), and the up and coming
support on the next generation of AMD / Intel processors.
As part of the talk will bring up a FreeBSD instance on Xen - time and
hardware permitting will do a live migration.
speaker: Kip Macy
location: SITE A0150