October 2015
Intermediate to advanced
210 pages
4h 23m
English
Content preview from Production Ready OpenStack - Recipes for Successful EnvironmentsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Configuring Nova-compute with a QEMU Hypervisor emulation
Not all environments always have virtualization capabilities supported by the CPU, for example, test environments running the Nova Compute nodes on virtual machines. In such cases, we can configure Nova to use a QEMU virtualization hypervisor emulation. This significantly reduces the performance of virtual machine instances running with the QEMU hypervisor emulation, but allows you to run virtual machine instances without virtualization support by the CPU.
How to do it…
Follow these steps to configure Nova-compute with the QEMU emulation:
- Install QEMU and the
libvirtpackages:[root@compute1 ~]# yum install qemu libvirt libvirt-python libguestfs-tools - Start and enable
libvirt:[root@compute1 ...
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