Qemu 1.3 Released: qemu-kvm merge into qemu complete

5 12 2012

Wednesday, December 5, 2012 – 10:23 Haydn Solomon

Qemu 1.3 has been released and with it completes the merge of qemu-kvm into qemu.  This means that you can now use “vanilla” qemu to run your kvm virtual machines.  No more need to run the special version of qemu optimized for kvm.  Many other features and enhancements also comes along with this release such as big improvements in USB3, live disk mirroring, support for glusterfs volumes and improved spice support for legacy vga mode.

Below is a list published on the mailing list of these new features and enhancements.

Support for USB mass storage devices and MSI/MSI-X support for the XHCI controller.
New paravirtualized hardware random number generator device.
Glusterfs volumes can be accessed with “gluster://” URIs for “-drive” and similar options. Optionally the transport can also be specified, as in “gluster+tcp://” (other supported transports are “unix” and “rdma”).
A new block job is supported: live block commit (also known as “snapshot deletion”) moves data from an image to another in the backing file chain.
A new block job is supported: live disk mirroring (also known as “storage migration”) moves data from an image to another.
The sendkey monitor command is now available via QMP.

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