Engineering:RAID processing unit
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Revision as of 05:57, 5 August 2021 by imported>PolicyEnforcerIA (attribution)
A RAID processing unit (RPU) is an integrated circuit that performs specialized calculations in a RAID host adapter.
XOR calculations, for example, are necessary for calculating parity data, and for maintaining data integrity when writing to a disk array that uses a parity drive or data striping. An RPU may perform these calculations more efficiently than the computer's central processing unit (CPU).
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