![]() ![]() GRAPHICS: attributes TYPE, LISTEN, PASSWD, KEYMAP, RANDOM_PASSWD. OS: attributes KERNEL, INITRD, BOOT, ROOT, KERNEL_CMD, MACHINE, ARCH and SD_DISK_BUS.įEATURES: attributes ACPI, PAE, APIC, HEPRV, GUEST_AGENT, VIRTIO_SCSI_QUEUES, IOTHREADS.ĭISK: attributes DRIVER, CACHE, IO, DISCARD, TOTAL_BYTES_SEC, TOTAL_IOPS_SEC, READ_BYTES_SEC, WRITE_BYTES_SEC, READ_IOPS_SEC, WRITE_IOPS_SEC, SIZE_IOPS_SEC. ![]() These attributes are set in /etc/one/vmm_exec/vmm_exec_kvm.conf. You can set a suitable default for them so all the VMs get the required values. ![]() There are some attributes required for KVM to boot a VM. Read the oned Configuration to understand these configuration parameters and Virtual Machine Drivers Reference to know how to customize and extend the drivers. The KVM driver is enabled by default in OpenNebula /etc/one/nf on your Front-end host with reasonable defaults. The OpenNebula packages will configure KVM automatically, therefore you don’t need to take any extra steps. For instance, if you don’t use virtio for the disk drivers, you will not be able to exceed a small number of devices connected to the controller, meaning that you have a limit when attaching disks and it will not work while the VM is running (live disk-attach). Using emulated hardware, both for networks and disks, will have an impact on performance and will not expose all the available functionality. Try to use virtio whenever possible, both for networks and disks. KVM will be installed and configured after following the KVM Host Installation section. KVM’s Preparing to use KVM guide will clarify any doubts you may have regarding whether your hardware supports KVM. The Hosts will need a CPU with Intel VT or AMD’s AMD-V features in order to support virtualization. ![]()
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