Industry Terminology

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RAID - Redundant array of inexpensive disks.

RAIT – Redundant Array of Independent Tapes. A concept of striping data in parallel to multiple tape drives, with or without a redundant parity drive. Provides high capacity, high data transfer rate and data integrity.

RAM - Random Access Memory. The working memory of the computer. RAM is the memory used for storing data temporarily while working on it, running application programs, etc. "Random access" refers to the fact that any area of RAM can be accessed directly and immediately, in contrast to other media such as a magnetic tape where the tape must be wound to the point where the data is. RAM is called volatile memory; information in RAM will disappear if the power is switched off before it is saved to disk.

Robotic Rack Assembly - The removable rack assembly that houses the picker mechanism.

ROM - Read-Only Memory. Memory that can be read but not changed. Read-only memory is non-volatile storage; it holds its contents even when the power is turned off. Data is placed in ROM only once, and stays there permanently. ROM chips are used for storage of the essential software of the computer, called firmware.

Router – An internetworking device that routes traffic between two different LAN types or network segments with different protocols. Contains software that understands a large number of protocols and can make complex decisions about routing.