In a RAID 5 array, data is striped and stored onto all but one drive. The last drive stores parity data for that stripe, for redundancy purposes. Which drives are used for data or parity alternates for each stripe.
Siena [1] is a medieval city in the region of Tuscany, located in the north of Italy some 70 km (43 mi) south of Florence. It is probably best known for a colourful horse race, Il Palio, conducted twice each year in the summer.
Siena Tourism: Best of Siena. Siena, Italy. This Tuscan hill town will transport you back to the Middle Ages. Siena's grand cathedral, built in the 1200s, has treasured artworks and marvelous marble floors. The Piazza del Campo, the main town square, is a UNESCO World Heritage Site. It's also home to the Palio, perhaps the most infamous horserace in the world.