NDLI: Live Migration of Parallel Applications with OpenVZ

Content Provider	IEEE Xplore Digital Library
Author	Romero, F. Hacker, T.J.
Copyright Year	2011
Abstract	A parallel application can terminate or produce incorrect results when a computational node fails. As the number of components in large scale supercomputing systems increase and applications scale to use these resources, the mean time to failure decreases, and application failure becomes more likely. Traditional fault tolerance approaches to address this problem, such as check pointing, are failing to scale as system sizes increase. An alternative approach we explore in this paper is the use of VM based live migration to move a process from a failing node to a healthy one to reduce the fault rate experienced by an application. We investigate the use of an operating system-level virtualization environment based on OpenVZ to perform live migrations of virtual machines on which multi-processor parallel applications are running. We explore the correctness, performance, and reliability implications of this approach, and explore the additional overhead of using OS-level virtualized systems for fault recovery. Our results confirm that it is possible to efficiently live migrate virtual containers running a parallel application without affecting the correctness or completion of parallel applications running in a OS-level virtualized environment.
Starting Page	526
Ending Page	531
File Size	374271
Page Count	6
File Format	PDF
ISBN	9781612848297
DOI	10.1109/WAINA.2011.156
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-03-22
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Runtime Benchmark testing Containers Virtual machining Time measurement Reliability Kernel
Content Type	Text
Resource Type	Article

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