open source virtualization
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The document provides an overview of open source virtualization technologies by Kris Buytaert. It discusses the history and evolution of virtualization starting from mainframes in the 1960s to modern virtualization with Xen, KVM, VirtualBox and other open source projects. It also compares different virtualization approaches like full, para and hardware virtualization. Lastly, it discusses popular virtualization platforms and management tools as well as the future of virtualization.
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open source virtualization
- 1. Open Source Virtualization An overview Kris Buytaert [email_address]
- 2. Kris Buytaert Senior Linux and Open Source Consultant @inuits.be
- 6. Early Adopter (Xen, MySQL Cluster)
- 7. Automating Large Scale Deployment , High Availability
- 8. Surviving the 10 th floor test
- 9. CoAuthor of Virtualization with Xen
- 14. Where we come from
- 15. Now and Xen
- 17. Where are we heading ? Agenda
- 18. Running different operating systems together on 1 machine
- 19. separate an operating system from the underlying platform resources What is Virtualization ?
- 20. Consolidation
- 22. Security
- 26. Having a budget that needs to be emptied.
- 27. All the cool kids are doing it Why Virtualization Matters
- 28. High Availability Live Migration is not a HA solution ! Vendor Lock In
- 29. Heavy IO Don't virtualize your Databases
- 30. Don't virtualize your heavy loaded mailservers Hardware Dependencies Live Migration ? Why Virtualization is Dangerous
- 31. Single OS image: Ensim, Vserver, Solaris Zones, openVZ Group user processes into resource containers
- 32. Hard to get strong isolation
- 33. Typically used for Hosting/Virtual Hosting/ISP
- 34. Run a lot of almost identical Virtual Machines
- 35. 1 single kernel Chroot’s on steroids Virtualization vs Virtualization
- 36. Full virtualization: VMware, VirtualPC, Qemu, VirtualBox Run multiple unmodified guest OSes
- 37. Hard to efficiently virtualize x86
- 38. No Access to the hardware
- 40. Problematic for certain privileged instructions Virtualization vs Virtualization
- 41. Para-virtualization: UML, Xen, Run multiple guest OSes ported to special arch
- 42. Arch Xen/x86 is very close to normal x86
- 43. Some Access to underlying hardware
- 45. Needs modification to the OS Virtualization vs Virtualization
- 47. KVM
- 48. Others adopted slowly No more changes to the software ,
- 49. Hardware solves the problem Virtualization vs Virtualization
- 50. IBM Mainfraimes
- 51. First Virtualization Aquisition Ever ? Looking back at a decade of Virtualization
- 52. IBM Mainframes
- 53. First Virtualization Aquisition Ever ? 1994 Kevin Lawton starts Bochs development Full x86 emulator 1999 Work on Plex86 starts (aka FreeMWare) Lightweight Linux Virtualization 1999 Mandrake Software buys Bochs Looking back at a decade of Virtualization
- 54. For those unfamiliar with my background, I authored a full x86 PC emulation project in the 1990's, called bochs. It was used in one form or another, by a number of virtualization players, including an R&D project at Stanford which became Vmware. Kevin Lawton on his blog march 2009 Looking back at a decade of Virtualization
- 55. DOSEmu
- 56. Win4Lin
- 58. VNC
- 59. FreeNX NoMachines, lightweigth, proxies This is Decades old :X11 !!!
- 60. VmWare View: Open Source Client Is this Virtualization ?
- 61. UML vs UMLinux Jeff Dike : User Mode Linux Run Linux on Linux As a “process” UMLinux Run Linux on Linux :)
- 62. Mainly to run test scenarios
- 63. Rebranded later to Faumachine The land of Confusion:
- 64. LVS vs Linux Vserver Linux Virtual Server Act as 1 virtual server
- 65. Pass TCP/IP Connections to others Linux Vserver Kernel Isolation
- 66. Chroot on steroids More Land of Confusion
- 67. Chroots on Steroids Based on BSD Jails Look really really similar
- 68. According to the developers no shared codebase OpenVZ , LinuxVServer
- 69. OpenVZ =~ opensource Virtuozzo Swsoft 1997
- 70. Virtuozzo 2001
- 71. 2003 Swsoft buys Plesk
- 72. SWSoft buys Parallels but “forgets” to tell
- 73. Eventually rebrands to Parallels late 2007
- 74. Kernel Inclusion ? OpenVZ , Virtuozzo
- 75. CoLinux Running Linux on Windows Looking back at a decade of Virtualization
- 77. Lhype
- 78. WonkyVisor
- 79. RustyVisor
- 80. Lhype Linux on Linux, but fast, no vt req , same kernel Lguest,Lhype, RustyVisor
- 82. Not just x86 qemu-arm qemu-mips qemu-i386 qemu-ppc qemu-sparc qemu-m68k “ Slow” Patch , first non free, later free Components Used in A LOT of projects ! Do I really need VMWare ?
- 84. Open Source
- 87. Bought by Sun (just before Fosdem 2008)
- 88. Now part of the xVM suite Virtualbox
- 89. Let‘s talk about Xen Pioneered ParaVirtualisation
- 91. Went Mainstream real fast !
- 92. Stable and performant platform
- 93. Scriptable
- 94. Targeted at Server Platforms 98% CPU Speed
- 95. Open Source
- 96. Known Developers
- 97. Event Channel Virtual MMU Virtual CPU Control IF Hardware (SMP, MMU, physical memory, Ethernet, SCSI/IDE) Native Device Driver GuestOS (XenLinux) Device Manager & Control s/w Native Device Driver GuestOS (XenLinux) Unmodified User Software Front-End Device Drivers GuestOS (XenLinux) Unmodified User Software Front-End Device Drivers Unmodified GuestOS (WinXP)) Unmodified User Software Safe HW IF Xen Virtual Machine Monitor Back-End Back-End VT-x AGP ACPI PCI SMP
- 99. Suse Who was first ?
- 101. Hardware Vendors IBM, Intel, .... Xen adoption
- 102. Amazon EC2
- 103. Oracle VM Own Code ?
- 104. Hosting next Xen summit Sun xVM Part of the suite Virtual Iron Xen adoption cont.d
- 105. Kernel Based Virtual Machine
- 106. VT Required
- 107. “just a module”
- 109. Came out of nowhere
- 110. +/- 6 weeks before kernel inclusion
- 111. Since 2.6.20
- 112. Lean and Mean
- 113. Desktop Oriented KVM
- 114. Main Funding of KVM development A Remote Virtual Desktop Solution
- 116. Commercial Solid ICE Now @ RedHat Qumranet & KVM
- 117. Enomaly
- 118. Libvirt
- 119. Ovirt
- 120. OpenQRM Managing Your Virtualization Platform
- 121. Enomaly
- 122. OpenNebula
- 123. OpenQRM
- 124. Nimbus
- 125. SnowFlock
- 126. Eucalyptus Building your own cloud
- 127. What is openQRM ? open-source project at sourceforge.net (GPL)
- 128. data-center management platform Not just your virtual platforms
- 129. provides generic virtualization layer Deploy on demand
- 130. Support for physical , Xen, VMWare, Vserver, KVM
- 131. OpenQRM 4 is a full rewrite
- 132. OpenQRM : build your Virtual data-center logical layer for servers/services called virtual environments (VE)
- 133. virtual environments consist of : a boot-image (e.g. a linux kernel)
- 134. a root-file system (local, NFS, ISCSI)
- 135. provisioning meta-data deployed according provisioning meta-data on idle resources
- 136. Choice is personal Xen for Servers
- 137. VirtualBox for Desktops Keeping an eye on KVM LinuxVServer for chroot on steriods Which Virtual Platform to choose
- 138. Xen @ Citrix Oracle to hosted Xen Summit VMWare going real open ?
- 139. KVM @ RedHat
- 140. OpenVZ in the Kernel ?
- 141. Xen in the Kernel ?
- 142. Oracle buying Virtual Iron ? The Future
- 143. ` Kris Buytaert < [email_address] > Further Reading http://www.krisbuytaert.be/blog/ http://www.inuits.be/ http://www.virtualization.com/ http://www.oreillygmt.com/ ? !