Eucalyptus Beginner’s Guide – UEC edition v2.0 – Maverick

V2.0 of Eucalyptus Beginner’s Guide – UEC edition is out. This covers UEC on Ubuntu 10.10 Maverick Meerkat, based on Eucalyptus 2.0. Please download the PDF and post your comments.

PDF version of Eucalyptus Beginner’s Guide – UEC Edition

We have just released the PDF version of “Eucalyptus Beginner’s Guide – UEC Edition, V1.0” and you can download it from https://cssoss.files.wordpress.com/2010/06/book_eucalyptus_beginners_guide_uec_edition1.pdf.  Please help us enhance the book by posting your suggestions as comments here.

The latest version of the pdf will also be availble from http://www.csscorp.com/enterprise-it-support/open-source-services.php .

Eucalyptus Beginner’s Guide – UEC Edition

Table of Contents

1. Introduction to UEC and its components
2. Installation & Configuration
3. Web Interface
4. Image Management
5. Instance Management
6. Storage Management
7. Network Management
8. Security
9. Troubleshooting
10. Euca Commands
11. Hacks

This is a live book and will be updated on an ongoing basis based on your feedback and comments.

[Eucalyptus Beginner’s Guide – UEC edition] Chapter 6 – Storage Management

Chapter 5 Instance Management

Chapter 7 Network Management

Storage Controller

Storage Controller is the component of Eucalyptus that provides persistent block storage compatible with Amazon’s Elastic Block Store. euca2ools or EC2 commands can be used to manage these volumes. Here are a few euca commands for managing the volumes

[Eucalyptus Beginner’s Guide – UEC edition] Chapter 1 – Introduction to UEC and its components

Chapter 2 Installation & Configuration

Cloud

Cloud Computing is a computing model, where resources such as computing power, storage, network and software are abstracted and provided as services on the Internet in a remotely accessible fashion. Billing models for these services are generally similar to the ones adopted for public utilities. On-demand availability, ease of provisioning, dynamic and virtually infinite scalability are some of the key attributes of Cloud Computing.

An infrastructure setup using the cloud computing model is generally referred to as ‘Cloud’. The following are the broad categories of services available on the ‘Cloud’:

1. Infrastructure As A Services (IAAS)
2. Platform As A Service (PAAS)
3. Software As A Service (SAAS)

This ‘Cloud’ is generally available as service to anyone on the Internet. However, a variant called ‘Private Cloud’ is increasingly becoming popular for private infrastructure that has some of the attributes of the ‘Cloud’ as mentioned above.

Amazon Web Services is one of the major players providing IAAS. They have 2 popular services – Elastic Compute Cloud(EC2) and Simple Storage Service(S3). These services are available through web services interfaces. The client tools can use EC2 and S3 APIs to communicate with these services. The popularity of these APIs have encouraged other Cloud products to provide support for them as well.

UEC Storage Management on Ubuntu 10.04 Lucid Lynx

Storage Controller

The Storage Controller is a block storage in Eucalyptus which is compatible with Amazon’s Elastic Block Store. euca2ools or EC2 commands can be used to control these volumes. Below we specify on using euca2ools commands for volume creation, attaching a volume to a running instance and how-to use the attached volume in the instance.

UEC: Attach EBS volume to a running instance

Linux Instances

First create a volume of the required size using euca-create-volume

$ euca-create-volume -s 10 -z mycloud
VOLUME  vol-333C04B8    10       creating        2010-03-26T05:20:56.383Z

Check the available volumes and their status with euca-describe-volumes

$ euca-describe-volumes
VOLUME  vol-333C04B8    10   mycloud   available     2010-03-26T05:20:56.383Z

Now attach the volume to a running instance using euca-attach-volume

$ euca-attach-volume -i i-41620887 -d /dev/sdb vol-333C04B8

The volumes status changes from “available” to “in-use” if it is attached properly.

$ euca-describe-volumes
VOLUME  vol-333C04B8    10  mycloud in-use  2010-03-26T05:41:28.019Z
ATTACHMENT      vol-331F04B2    i-41620887      unknown,requested:/dev/sdb  2010-03-26T05:43:51.343Z