What is Parity bits?
Parity bits Definition: RAID technique logical mechanism used to mark striped data allows recovery of missing drives by pulling data from adjacent drives.
Understanding Parity bits
RAID technique logical mechanism used to mark striped data allows recovery of missing drives by pulling data from adjacent drives. Parity bits provide error detection and correction in storage and communication systems by adding redundant data calculated from original data. In RAID systems parity allows reconstruction of data when a drive fails by using mathematical operations on the remaining data and parity information. Parity calculations are defined in standards like RAID specifications and error correction coding standards. Organizations implement parity for data integrity in storage systems memory modules and communications. For example an enterprise storage array might use RAID 5 which stripes data across multiple disks with distributed parity information allowing for recovery of data if a single disk fails thereby protecting against data loss and enhancing system availability. Related terms RAID Error correction Data redundancy Fault tolerance Storage systems Hamming code Reed-Solomon code XOR operation.