Red Hat Virtualization (RHV)

Red Hat Virtualization (RHV) (2009) is an x86 virtualization product produced by Red Hat, based on the KVM hypervisor that enables management of unlimited guest machines.

Components:

• Red Hat Virtualization Manager (RHV-M): yum install rhvm-appliance
• Red Hat Virtualization Hypervisors: Red Hat Enterprise Linux or RHV Host (RHV-H)

Features:

• RHV support scheduling policies that defines the logic by which virtual machines are distributed amongst hosts.
• Predefined Instance Types
• Dashboard
• Storage Quality of Service
• Host High Availability
• SSO using a Kerberos server

Commands

• yum install ovirt-hosted-engine-setup && hosted-engine --deploy (i will install yum install rhvm-appliance) which has to be available.
• nodectl check
• vdsm-client

vdsm-client Host getVMList

vdsm-client Host getCapabilities

vdsm-client Host getStats

vdsm-client Host getAllVmStats

vdsm-client Host getLVMVolumeGroups

• hosted-engine --deploy or ovirt-hosted-engine-cleanup to cleanup
• hosted-engine --vm-status
• engine-config

oVirt commands

• ovirt-host-deploy
• ovirt-hosted-engine-cleanup
• ovirt-hosted-engine-setup shell script
• ovirt-host-mgmt

Sanlock

Sanlock is a shared storage lock manager. https://www.ovirt.org/develop/developer-guide/vdsm/sanlock.html.

Logs: /var/log/sanlock.log.

Commands:

• sanlock client status
• sanlock client log_dump

Logs

• /var/log/vdsm/vdsm.log
• /var/log/libvirt/qemu/HostedEngineLocal.log

VDSM

VDSM manages and monitors the host’s storage, memory and networks as well as virtual machine creation, other host administration tasks, statistics gathering, and log collection.

Related terms

• Red Hat Virtualization Certification
• RHV versions

Activities

Basic

1. Read RHV Quick Start: https://www.redhat.com/en/blog/red-hat-virtualization-43-quick-start
2. Install RHV following https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.3/html/installing_red_hat_virtualization_as_a_self-hosted_engine_using_the_cockpit_web_interface/index
   1. Install RHVH Self-hosted Engine Deployment Host
   2. Install Red Hat Virtualization Host (RHVM): yum install rhevm
3. Read RHV Administration Guide: https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.3/html/administration_guide/index

Advanced

1. Install RHV using NFS as a shared storage filesystem a troubleshoot problems following https://www.ovirt.org/develop/troubleshooting-nfs-storage-issues.html
2. Review Backup documentation: https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.3/html-single/administration_guide/index#chap-Backups_and_Migration and Veritas NetBackup support.
3. Read Red Hat Virtualization Life Cycle https://access.redhat.com/support/policy/updates/rhev

See also

• Red Hat Hyperconverged Infrastructure (RHHI)
• RHV, Red Hat Virtualization Host (RHVH), Red Hat Virtualization Certification, oVirt, VDSM
• KVM: RHV, oVirt, libvirtd
• KVM, Installation, QEMU, virsh, virtinst, libguestfs-tools, libvirt, qemu, Red Hat Virtualization (RHV), MacVTap, Virtio, oVirt, KVM services, KVM networking, KVM graphics, CPU, KVM on ARM
• Ansible ovirt/RHV module, https://docs.ansible.com/ansible/latest/modules/ovirt_module.html

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Initial Source: https://en.wikiversity.org/wiki/Red_Hat_Virtualization