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RAID ENVIRONMENT INCORPORATING HARDWARE-BASED FINITE FIELD MULTIPLIER FOR ON-THE-FLY XOR
RAID ENVIRONMENT INCORPORATING HARDWARE-BASED FINITE FIELD MULTIPLIER FOR ON-THE-FLY XOR
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机译:RAID环境结合了基于硬件的实时XOR有限域乘法器
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摘要
A hardware-based finite field multiplier is used to scale incoming data from a disk drive and XOR the scaled data with the contents of a working buffer when performing resync, rebuild and other exposed mode read operations in a RAID or other disk array environment. As a result, RAID designs relying on parity stripe equations incorporating one or more scaling coefficients are able to overlap read operations to multiple drives and thereby increase parallelism, reduce the number of required buffers, and increase performance.
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