A method and means using a fast write in order to eliminate DASD time from the write response time as seen by the host; eliminate some DASD writes due to overwrites caused by later host writes to previously updated blocks in cache; and reduce DASD seeks because destages will be postponed until many destages...http://www.google.fr/patents/US5418921?utm_source=gb-gplus-shareBrevet US5418921 - Method and means for fast writing data to LRU cached based DASD arrays under diverse fault tolerant modes
Method and means for fast writing data to LRU cached based DASD arrays under ...