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Deploying Private Cloud with Eucalyptus
Definition of Private Cloud
• Private cloud is a cloud infrastructure operated solely for a single organization, whether managed internally or by a third-party and hosted internally or externally.
What is Eucalyptus
• Eucalyptus is open source software for building AWS-compatible private and hybrid clouds.
• It works as an orchestration layer between the hypervisor and the operating system.
• It is written in Java and C
• It can accessed through euca2ools API or Eucalyptus User Console GUI
Components
• Eucalyptus has six components including VMware broker as an optional component
Requirements
• All the components must be installed in the physical machines.
• CPU may be either Inter or AMD of dual core processors with minimum 2GHz clock speed.
• Operating system must be Centos 6 or RHEL 6. Eucalyptus supports x64 architecture only.
• Each NC needs a minimum of 4 GB RAM and machine needs 30GB of storage.
• Each components must have at least one NIC for base deployment.
Pre-Installation
• Understand the architecture.
– Normal or HA
• Understand the cloud, cluster and node components placement.
• Planning the network modes.
• Planning the features
• Configuring the dependencies
High Availability
• In a high availability (HA) configuration, a failure of any single component will not cause the system to halt.
Installation
• Use the FASTSTART automated installation with Centos and KVM preconfigured
• Install Eucalyptus from release packages
• Install Eucalyptus from nighty packages
Configuration and Start-up
• Configure Network Modes and Loop devices.
• Start the eucalyptus components.
– E.g. # service eucalyptus-cloud start (start the CLC)
• Verify the startup using netstat command.
• Register the components
• Configure the Runtime environment
Launch VM instance
• Source the eucarc and unzip it.– # source eucarc
• Find the images.– # euca-describe-images
• Add keypair and change permissions– # euca-add-keypair newkey > newkey.private– # chmod 0600 newkey.private
• Run the instance– # euca-run-instances –k newkey <imageid> –t m1.small
• Check the instance– euca-describe-instances <instance id>
Pros and Cons of Private Cloud
Highly secured
Customization
No defined limits to scale up
High Initial and Maintenance cost
Restricted Availability locations
Slower to deploy than public cloud
Thank you and
Have a nice day