The objective of this paper is to demonstrate the sequential I/O capability of General Parallel File System (GPFS) for Linux on HS20 blades inside the IBM BladeCenter blade server with the System Storage DS4800 storage subsystem using a 4 Gbps Fibre Channel interconnect. The paper shows that the GPFS file system on HS20 Blades and the DS4800 storage subsystem using eight EXP710 expansion units is capable of about 1300 MB/sec file create, and about 1600 MB/sec file read, throughput using sequential I/O.
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