An Abstract-Device Interface for Implementing Portable Parallel-I/O Interfaces
FRONTIERS '96 Proceedings of the 6th Symposium on the Frontiers of Massively Parallel Computation
A Message Passing Interface Library for Inhomogeneous Coupled Clusters
IPDPS '03 Proceedings of the 17th International Symposium on Parallel and Distributed Processing
RFS: efficient and flexible remote file access for MPI-IO
CLUSTER '04 Proceedings of the 2004 IEEE International Conference on Cluster Computing
Remote parallel i/o in grid environments
PPAM'05 Proceedings of the 6th international conference on Parallel Processing and Applied Mathematics
Optimizing server placement for parallel I/O in switch-based clusters
Journal of Parallel and Distributed Computing
A Scalable Message Passing Interface Implementation of an Ad-Hoc Parallel I/o system
International Journal of High Performance Computing Applications
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With growing computational power of current supercomputers, scientific computing applications can work on larger problems. The corresponding increase in dataset size is often correlated to an increase in needed storage for the results. Current storage area networks (sans) balance i/o load on multiple disks using high speed networks, but are integrated on the operating system level, demanding administrative intervention if the usage topology changes. While this is practical for single sites or fairly static grid environments, it is hard to extend to a user defined per-job basis. Reconfigurable grid environments, where computing and storage resources are coupled on a per-job basis, need a more flexible approach for parallel i/o on remote locations. This paper gives a detailed overview of the abilities of the transparent remote access provided by tunnelfs, a part of the viola parallel i/o project. We show how tunnelfs manages flexible and transparent access to remote i/o resources in a reconfigurable grid environment, supporting the definition of the amount and location of persistent storage services on a per-job basis.