3. Parity : As explained above, mirroring involves high cost, so to protect the data new technique is used with striping called parity. This is reliable and low cost solution for data protection. In this method and additional HDD or disk is added to the stripe width to hold parity bit.
For mounting bracket used on some firearms, see Picatinny rail. The Picatinny Arsenal (/ËpÉªkÉtÉªni/ or /ËpÉªkÉËtÉªni/) is an American military research and manufacturing facility located on 6,400 acres (26 km2) of land in Jefferson Township and Rockaway Township in Morris County, New Jersey, United States, encompassing Picatinny Lake and Lake Denmark.
Short rails now appear even on shotguns and pistols. Picatinny Rail Dimensions, Cross Section (dimensions in inches)The Picatinny rail is a bracket used on some firearms in order to provide a standardized mounting platform for telescopic sights and other accessories such as tactical lights and laser sighting modules.