December 2002
Intermediate to advanced
260 pages
9h 18m
English
Content preview from Managing RAID on LinuxBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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RAID-0: Striping
RAID-0 is also known as striping because data is interleaved across all drives in the array. Each block of data is written in round-robin fashion to array disks until the write operation is complete. Data is read in the same fashion. Since data transfer is constantly shifted to a new disk, bottlenecks associated with reading and writing data to a single disk are alleviated and performance dramatically improves. Striping was not part of the original RAID specification and, technically speaking, is not a RAID because it provides no mechanism for data redundancy. Nonetheless, the concept of striping is also found in other RAID levels. For example, RAID-4 and RAID-5 (described below) use a combination of striping and recovery algorithms to achieve improvements in performance while still offering redundancy.
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