Understanding the Linux Kernel
Understanding the Linux Kernel
A Caching Strategy to Improve iSCSI Performance
LCN '02 Proceedings of the 27th Annual IEEE Conference on Local Computer Networks
STICS: SCSI-to-IP cache for storage area networks
Journal of Parallel and Distributed Computing
High performance RDMA-based MPI implementation over infiniBand
International Journal of Parallel Programming - Special issue I: The 17th annual international conference on supercomputing (ICS'03)
Remote iSCSI Cache on InfiniBand: An Approach to Optimize iSCSI System
ICPPW '06 Proceedings of the 2006 International Conference Workshops on Parallel Processing
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SCSI RDMA Protocol (SRP) is used to build high performance Storage Area Networks (SANs) over InfiniBand, or SRP-based IB-SANs for short. The I/O read performance is critical for many read dominant applications, such as multimedia, remote sensing, data backup, etc. However, if I/O accesses focus on a specific storage device of an IB-SAN, the local I/O performance of single device could become the bottleneck, leaving the network performance under utilized. In this paper, we propose an SRP target mode called Target Disk Cache Assisted (tDCA) mode, which explores the file readahead feature and page cache of Linux to tackle the performance gap between storage devices and network. Experimental results show that this strategy improves the read performance in terms of throughput which is increased significantly for both random read with good locality and sequential read.