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Storage Networking Fundamentals: An Introduction to Storage Devices, Subsystems, Applications, Management, and Filing Systems by Marc Farley

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Strips and Stripes Stripe Depth

RAID arrays are organized in strips and stripes. The idea is that a certain amount of data, typically some multiple of the file system's or database's defined block size, is written in a single operation to a single member of the array. The data written to the individual array member is called the data strip. The amount of data (in bytes) written to a strip is referred to as the stripe depth (yes, stripe depth not strip depth). The number of data strips in a stripe is one less than the number of members in the array; one of the strips is used for parity data.

Another way to think about the relationship between strips and stripes is that a stripe is the combination of data strips and their corresponding parity strip. ...

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