Oracle Linux Virtualization Manager 4.4: Administration LVC

Architecture and Overview

• Objectives
• Oracle Linux Virtualization Manager: Overview
• Oracle Linux Virtualization Manager
• Engineered for Open Cloud Infrastructure
• Reliability and High Availability
• Management Options
• Overview of Architecture
• oVirt Engine Features
• Basic Host Architecture
• Agents, QEMU, and libvirt
• Self-Hosted Engine
• Data Warehouse and Databases
• Administration Interfaces
• The Cockpit Web Interface
• Virtual Machine Consoles
• Summary

Installing the Engine

• Objectives
• Engine Prerequisites
• Deployment Sizes
• Hardware Requirements
• Small
• Medium
• Large
• Engine Firewall Requirements
• Install Linux Virtualization Manager Modules
• Linux Virtualization Manager Repositories
• Install Oracle Linux Virtual Manager
• Engine-Setup
• Engine Configuration Options
• Using an Alternate Host Name
• Logging In
• Summary

Understanding Core Components

• Objectives
• Core Components
• Data Centers
• New Data Center
• QOS: Quality of Service
• Storage QOS Settings
• Clusters
• New Cluster
• Cluster Details
• Affinity Groups
• Affinity Labels
• Understanding Hosts
• Host Home Page
• Host Details
• Host Affinity Label
• Storage Pool Manager
• Setting SPM Priority
• Virtual Desktop and Server Manager
• Virtual Machines
• Networks
• Logical Networks
• MAC Address Pools
• MAC Address Pool
• Creating Mac Address Pool
• Storage
• Storage Domains
• Storage Domain Details
• Manage Domain
• Virtual Machine Storage
• Event Logging and Notifications
• Summary

KVM Host Installation

• Objectives
• KVM Host Prerequisites
• KVM Host Requirements
• KVM Host Firewall Requirements
• Scalability Limits
• Preparing a KVM Host
• Linux Virtualization Host Repositories
• Adding a KVM Host
• Adding a KVM Host: Key-based Authentication
• Adding a KVM Host
• Summary

Managing Storage Domains

• Objectives
• OLVM Storage
• Storage Domains
• Storage Pool Manager
• Storage Leases
• Virtual Machine Storage
• Local Storage Domain
• Local Storage Domain Requirements
• Configuring Local Storage Domain
• Using NFS Storage
• NFS Storage Domain Configuration
• NFS ISO Storage
• Configuring iSCSI Storage Domain
• Using iSCSI Multipathing
• Multipathing Prerequisites
• GlusterFS File System
• Advantages of GlusterFS
• Configure GlusterFS Domain
• Configure GlusterFS Volume
• Configure GlusterFS Bricks
• Configure GlusterFS Domain
• Detaching a Storage Domain from a Data Center
• Summary

Network Management

• Objectives
• Networking Recommendations
• Logical Networks
• Bridge Networks
• VLAN Networks
• Virtual NICs
• Bond Interface
• MAC Address Pools
• Add Virtual Machine Networks
• Summary

User Management

• Objectives
• Administrator Tasks
• Introduction to Users
• Introduction to Roles
• Administering User Tasks from the Command Line
• Administering User Tasks from the Command Line: Examples
• Password Policy
• Pre-encrypted Passwords
• Useful User Management Commands
• Managing Groups
• Creating Nested Groups
• Querying Users and Groups
• Managing Account Settings
• Managing Account Settings: Examples
• Quotas
• Quota Modes
• Enabling and Changing a Quota Mode in a Data Center
• Creating a New Quota Policy
• Quota Threshold Settings
• Assigning a User to a Quota
• Summary

Optimization Practices

• Objectives
• Configuring Memory and CPUs
• Resource Allocation
• Configuring Cluster Optimization
• Configuring Host Optimization
• Setting Memory Overcommit
• Configuring Power Management and Fencing on a Host
• Preventing Host Fencing During Boot
• Automate Checking Fencing Parameters
• Reasons for Virtual Machine Migrations
• Migrating Virtual Machines
• Configuring High-Performance Virtual Machines
• High-Performance Virtual Machine Limitations
• Configuring Huge Pages
• Hot Plugging vCPUs
• Hot Plugging vCPUs Limitations
• Hot Plugging Virtual Memory
• Summary

Administrating Virtual Machines

• Objectives
• Virtual Machine Storage
• Settings to Wipe Virtual Disks After Deletion
• Setting SANWipeAfterDelete to True Using the Engine Configuration Tool
• Shareable Disks
• Read-Only Disks
• Virtual Machine Consoles
• Creating Virtual Machine
• VM Details Page
• Creating a VM Snapshot
• Viewing a Snapshot
• Using Snapshot to Create a Template
• Viewing Virtual Machine Template
• Creating a Virtual Machine from Template
• Exporting VMs as OVA Files
• Guest Agents and Drivers
• qemu-guest-agent
• Boot failed: not a bootable disk – No Bootable device
• Virtual Machine Administrator Roles
• Virtual Machine User Roles
• Considerations When Using Snapshots
• Introduction to the VM Portal
• Graphical User Interface for VM
• Virtual Machine Portal
• Summary

Managing Events and Logs

• Objectives
• Log Files
• Engine Installation Log Files
• Host Log Files
• oVirt Services and sysconfig File Paths
• oVirt Services and Main Configuration Files
• Monitoring and Observability
• Grafana Overview
• Enable Grafana Integration
• Grafana Dashboards
• Introduction to Event Notification
• Parameters for Event Notifications
• Configuring the oVirt Engine to Send SNMP Traps
• Prerequisites to Send SNMP Traps
• ovirt-log-collector Diagnostic Tool
• Monitoring Using PostgreSQL Commands
• Summary

OLVM Recovery Management

• Objectives
• System Backup and Recovery
• Basic Options: engine-backup
• Creating a Backup
• Backup Procedure
• Adding Specific Files to the Backup
• Restoring a Backup
• Restoring a Backup to a Fresh Installation
• Restoring a Backup to Overwrite an Existing Installation
• Restoring a Full Backup
• Restore Procedure
• Restoring a Complete Backup or a Database-Only Backup
• Restoring a Backup with Different Credentials
• Migrating the Data Warehouse to a Separate Machine
• Renaming the Engine: Rename Tool
• Disaster Recovery Solutions
• Active-Active Disaster Recovery
• Failover Stretch Cluster
• Active-Passive Disaster Recovery
• Recovery Considerations – Network
• Recovery Considerations – Storage
• Summary