Xen Hvm Domu

Xen is an hypervisor that runs on metal the pc server and then hosts virtual machines called domains.

Xen hvm domu. 18 aug 2015 linux xen. Such a vm could be used on aws amazon web services or with an on premise xen setup but has the added advantage that it will still boot into desktop virtualisation software like virtualbox kvm vmware as it uses a conventional mbr. Pv is the regular domu support that has been present in most linux distributions for years and it is required to run on amazon ec2 for example. Hvm hardware virtual machine is one of the two modes that xen can virtualize machines in.

In the following sections the steps for creating hvm and pv domu running arch linux are described. Xl create etc xen freepbx hvm cfg c. Running the xl create command should now bring up the freepbx distro as installed on the hvm domu disk. Pv on hvm is a new type of xen project hypervisor guest support that exploits hardware nested paging while enabling pv interfaces for io.

Ps 2 mouse device common. In this mode it makes use of hardware virtualization technology like vt x and emulation of hardware devices to virtualize non paravirtualized guests such as windows. This document explains how to create a guest virtual machine for a xen environment using hvm with pv drivers virtualisation mode. A xen pv domain is a paravirtualized domain that means the operating system usually we re talking linux here has been modified to run under xen and there s no need to actually emulate hardware this should be the most efficient way to go performance wise.

Benchmark results for a xen hvm domu with an intel cc150 processor. Xen is a type i hypervisor it is not the same as xenserver from citrix but xenserver is based upon xen. If you ve followed all steps correctly you should be looking at the login prompt for the newly installed freepbx distro os. Step 6 start hvm domu.

In general the steps for creating an hvm domu are independent of the domu os and hvm domu support a wide range of operating systems including microsoft windows. Xen supports both paravirtualized pv and hardware virtualized hvm domu. Sudo xm console test io scheduler cfq registered ramdisk driver initialized. It shows the following output stopping at continue.

Initialising virtual ethernet driver. 16 ram disks of 4096k size 1024 blocksize xen virtual console successfully installed as xvc0 event channel device installed.