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RAID – Redundant Array of Independent Disks RAID concept was developed by University of California at Berkeley in 1987. RAID arrays are used to improve the reliability & performance of Hard disks. RAB (RAID Advisory Board) was formed in 1992 to standardize RAID concepts. Standard RAID levels advised by RAB are Hybrid (Nested) RAID levels RAID 10 (1+0) RAID 01 (0+1) The most common RAID types used today are explained below Ø RAID 0 – Disk Striping § Spreading the data between multiple drives (at least 2 drives) is called data striping. § Increases hard drive access speed (High read/write performance) § No redundancy § File data is divided into bl...
Technology simplified. This blog explains Computers and Networking basics in simple words which transfers my knowledge to others and to review myself the explained concepts in future. Our vision is to help our readers to understand the basic concepts of PC and networking. This little effort may help CCENT, CCNA and A+ certifications study group.