The 1st operation vessel which generates the 1st

摘要

Method and the system for syndrome formation and data restoration are explained. This system, one or being connected by the plural storage devices, includes the parity formation vessel which forms the parity for restoration of the data. This parity formation vessel one of the 1st comparator and the storage device which form the 1st parity element one of the storage device or on the basis of the data which is plural or multiplication factor multiplying the data from plural, being connected by the multiplier and this multiplier which form the product, includes with the selector which selects the 2nd comparator and with of the 1st parity element and the 2nd parity element which form the 2nd parity element on the basis at least of partly to this product. Selective figure It is not