Title :
Performance evaluation of a partial dynamic declustering disk array system
Author :
Catania, V. ; Puliafito, A. ; Riccobene, S. ; Vita, L.
Author_Institution :
Istituto di Inf. e Telecommun., Catania Univ., Italy
Abstract :
With a view to improving the performance and the fault tolerance of mass storage units, this paper concentrates on the architectural issues of parallelizing I/O access and a disk array system by means of definition of a new, particularly flexible architecture, called Partial Dynamic Declustering, which is fault-tolerant and offers higher levels of performance and reliability than the solutions normally used. A fast distributed algorithm based on a dynamic structure and usable for the implementation of an efficient I/O subsystem manager is proposed. Particular attention is also paid to the definition of analytical models based on Stochastic Reward Petri nets in order to analyze the performance and reliability of the system proposed
Keywords :
Petri nets; distributed algorithms; fault tolerant computing; input-output programs; magnetic disc storage; memory architecture; performance evaluation; I/O subsystem manager; Partial Dynamic Declustering; Stochastic Reward Petri nets; architectural issues; fast distributed algorithm; fault tolerance; mass storage units; parallelizing I/O access; partial dynamic declustering disk array system; performance evaluation; Analytical models; Costs; Fault tolerant systems; File systems; Interleaved codes; Logic arrays; Petri nets; Power system interconnection; Stochastic systems; Telecommunications;
Conference_Titel :
High Performance Distributed Computing, 1994., Proceedings of the Third IEEE International Symposium on
Conference_Location :
San Francisco, CA
Print_ISBN :
0-8186-6395-2
DOI :
10.1109/HPDC.1994.340238
