Veritas InfoScale™ 8.0 Virtualization Guide - Linux
- Section I. Overview of Veritas InfoScale Solutions used in Linux virtualization
- Overview of supported products and technologies
- About Veritas InfoScale Solutions support for Linux virtualization environments
- About Kernel-based Virtual Machine (KVM) technology
- About the RHEV environment
- Overview of supported products and technologies
- Section II. Implementing a basic KVM environment
- Getting started with basic KVM
- Veritas InfoScale Solutions configuration options for the kernel-based virtual machines environment
- Installing and configuring Cluster Server in a kernel-based virtual machine (KVM) environment
- Configuring KVM resources
- Getting started with basic KVM
- Section III. Implementing Linux virtualization use cases
- Application visibility and device discovery
- Server consolidation
- Physical to virtual migration
- Simplified management
- Application availability using Cluster Server
- Virtual machine availability
- Virtual machine availability for live migration
- Virtual to virtual clustering in a Red Hat Enterprise Virtualization environment
- Virtual to virtual clustering in a Microsoft Hyper-V environment
- Virtual to virtual clustering in a Oracle Virtual Machine (OVM) environment
- Disaster recovery for virtual machines in the Red Hat Enterprise Virtualization environment
- Disaster recovery of volumes and file systems using Volume Replicator (VVR) and Veritas File Replicator (VFR)
- Multi-tier business service support
- Managing Docker containers with InfoScale Enterprise
- About the Cluster Server agents for Docker, Docker Daemon, and Docker Container
- Managing storage capacity for Docker containers
- Offline migration of Docker containers
- Disaster recovery of volumes and file systems in Docker environments
- Application visibility and device discovery
- Section IV. Reference
- Appendix A. Troubleshooting
- Appendix B. Sample configurations
- Appendix C. Where to find more information
- Appendix A. Troubleshooting
Host network configuration
The libvirtd service creates a default bridge virbr0 which is a NAT'ed private network. It allocates private IPs from the network 192.168.122.0, to the guests using virbr0 for networking. If the guests are required to communicate on the public network of the host machines, then a bridge must be configured. This bridge can be created using the following steps:
Create a new interface file with the name
ifcfg-br0
in/etc/sysconfig/network-scripts/
location where all the other interface configuration files are present. Its contents are as follows:DEVICE=br0 Type=Bridge BOOTPROTO=dhcp ONBOOT=yes
Add the physical interface to the bridge using the following command.
# brctl addif eth0 br0
This adds the physical interface that the guests shares with the br0 bridge created in the previous step.
Verify that your eth0 was added to the br0 bridge using the brctl show command.
# brctl show
The output must look similar to the following:
bridge name bridge id STP enabled interfaces virbr0 8000.000000000000 yes br0 8000.0019b97ec863 yes eth0
The eth0 network configuration must be changed. The ifcfg-eth0 script is already present.
Edit the file and add a line BRIDGE=br0, so that the contents of the configuration file look like the following example:
DEVICE=eth0 BRIDGE=br0 BOOTPROTO=none HWADDR=00:19:b9:7e:c8:63 ONBOOT=yes TYPE=Ethernet USERCTL=no IPV6INIT=no PEERDNS=yes NM_CONTROLLED=no
Restart the network services to bring all the network configuration changes into effect.