Management of High Quality Available Services Using Virtualization
This paper addresses the use of virtualization technology in the management of high availability services using open source tools. Services are set up on virtual machines and can be migrated between physical nodes of a cluster system automatically with the help of a corresponding program. The work of this thesis is based on an open source program called Heartbeat. We will then propose a solution and create the corresponding code that will allow the Heartbeat program to migrate virtual machines from one physical cluster node to another. This migration is required to be performed at the time the first node is lowered from us to perform foreseen maintenance. The solution we propose will be tested in an experimental system set up by us where we will measure the
impact that migration has on system network performance. On the practical side we will use Xen virtualization, which we will install on a Linux system Centos version 7. On Linux we will configure Xen and on the latter will be set up two other Centos 7. On two Virtual Centos 7 servers mounted on Xen will install heartbeat to simulate failover of a simple web page to be built on
Apache installed on two Centos 7 servers. With this thesis we aim to achieve the following objectives: (1) Provide a detailed overview of previous work on the use of virtualization in critical service clusters. (2) Propose and implement a solution that enables the Heartbeat program to migrate virtual machines from one physical cluster node to another. (3) Evaluate system performance when migrating virtual machines from one node to another.
Keywords: Virtualization; High Availability (HA); Heartbeat migration; System Performance; Cluster Topology.
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ABOUT THE AUTHORS
Ergest Alite
Graduated from the Faculty of Electrical Engineering, Telecommunication Branch in 2002. He holds an MPA diploma in Economics from 2013 and he has worked as adjunct lecturer at the Polytechnic University of Tirana from 2010. He has an extensive experience in the Information Technology field since 2004, starting from the very bottom, as a specialist, to management positions. Currently he holds the position of Department Manager of Information Technology, NOC & Service Desk Department. He is PHD Candidate at the Polytechnic University of Tirana, Faculty of Information Technology. His work focuses on the analysis of security in the Cloud Computing technology.
Olimpjon Shurdi
Is a Lecturer in the Department of Electronic and Telecommunications, Faculty of Information Technology, Polytechnic University of Tirana. He received the BE, Ph.D. and Associate Professor from Polytechnic University of Tirana Albania, in 1998, 2009 and 2013 respectively. His research interests include wireless networks, mobile ad hoc networks, wireless sensor networks and multimedia communication in next generation network.
Igli Tafa
Is a Lecturer in the Department of Computer Engineering, Faculty of Information Technology, Polytechnic University of Tirana. He received the BE, Ph.D. and Associate Professor from Polytechnic University of Tirana Albania. His research interests include virtualization platforms, security over data networks, operating systems and Data Warehouse.
Ergest Alite
Graduated from the Faculty of Electrical Engineering, Telecommunication Branch in 2002. He holds an MPA diploma in Economics from 2013 and he has worked as adjunct lecturer at the Polytechnic University of Tirana from 2010. He has an extensive experience in the Information Technology field since 2004, starting from the very bottom, as a specialist, to management positions. Currently he holds the position of Department Manager of Information Technology, NOC & Service Desk Department. He is PHD Candidate at the Polytechnic University of Tirana, Faculty of Information Technology. His work focuses on the analysis of security in the Cloud Computing technology.
Olimpjon Shurdi
Is a Lecturer in the Department of Electronic and Telecommunications, Faculty of Information Technology, Polytechnic University of Tirana. He received the BE, Ph.D. and Associate Professor from Polytechnic University of Tirana Albania, in 1998, 2009 and 2013 respectively. His research interests include wireless networks, mobile ad hoc networks, wireless sensor networks and multimedia communication in next generation network.
Igli Tafa
Is a Lecturer in the Department of Computer Engineering, Faculty of Information Technology, Polytechnic University of Tirana. He received the BE, Ph.D. and Associate Professor from Polytechnic University of Tirana Albania. His research interests include virtualization platforms, security over data networks, operating systems and Data Warehouse.
