PDL ABSTRACT

System-Call Based Problem Diagnosis for PVFS

Proceedings of the 5th Workshop on Hot Topics in System Dependability (HotDep '09). Lisbon, Portugal. June 2009.

Michael P. Kasick, Keith A. Bare, Eugene E. Marinelli III, Jiaqi Tan, Rajeev Gandhi, Priya Narasimhan

School of Computer Science
Carnegie Mellon University
Pittsburgh, PA 15213

http://www.pdl.cmu.edu/

We present a syscall-based approach to automatically diagnose performance problems, server-to-client propagated errors, and server crash/hang problems in PVFS. Our approach compares the statistical and semantic attributes of syscalls across PVFS servers in order to diagnose the culprit server, under these problems, for different file-system benchmarks--dd, PostMark and IOzone--in a PVFS cluster.

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