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System and method of array scrub adaptive adjustment

IP.com Disclosure Number: IPCOM000244567D
Publication Date: 2015-Dec-22
Document File: 8 page(s) / 188K

Publishing Venue

The IP.com Prior Art Database

Abstract

This disclosure shows an array scrub adaptive adjustment system. This system has two part: “Predictive adjustment” and “Real-time adjustment “. 1) Predictive adjustment is based on historical IO statistic regularity and according to some regularity pattern, scrub manager can adjust the scrub rate ahead of heavy IO period. 2) Real-time adjustment is based on current IO strength, if heavy IO comes unexpected, scrub manager will change the array scrub from full-scan mode into priority-scan mode.