Documentation Virtualization Beat

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Revision as of 01:41, 17 September 2011

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Contents

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The contents of this beat have been converted to Publican and sent for translation. The official Fedora 21 documentation now contains the information that was on this page.


If you have changes or corrections please file a bug. Use the product Fedora Documentation, component release-notes.


For the official copy of this beat, refer to [Release Notes the Fedora 21 Documentation].

 



USB Emulation

  • Support for USB 2.0 (EHCI) devices has been added.

CDROM Emulation

  • Many fixes to comply with the ATAPI specification
  • GET_EVENT_STATUS_NOTIFICATION: Implement 'media' subcommand that helps report tray open/close, media present/absent states to guests. Newer Linux guests (kernels 2.6.38+) rely on this command to revalidate discs.
  • Major code refactoring and cleanup

Upstream release notes

Xen

  • Xen support merged into qemu

x86

  • Stable guest TSC across migration
  • Support for VIA CPU features

General

  • Several memory leak fixes in all virtio devices

qemu-img

  • The performance of qemu-img convert has been improved
  • qemu-img convert and rebase now support the -p option which enables progress display

qcow2

  • Improved the performance of creating/deleting internal snapshots

Guest Agent

  • Added the guest agent that supports snapshotting,