In a disk array system, data read out and data written anew are temporarily held as former data in a former data holding portion. When a write operation has occurred, a CPU searches the holding portion for write data, it generates update data from the new and former write data items, and it ...http://www.google.fr/patents/US5761402?utm_source=gb-gplus-shareBrevet US5761402 - Array type disk system updating redundant data asynchronously with data access
Array type disk system updating redundant data asynchronously with data ...
