Copy-on-write snapshot processing is performed on a storage system in order to produce snapshots of one or more logical volumes in the storage system. The write I/O operations made to the storage system are observed for a certain period of time. Based on the observations an estimate of the size of the...http://www.google.es/patents/US7159072?utm_source=gb-gplus-sharePatente US7159072 - Method and apparatus for monitoring the quantity of differential data in a storage system
Method and apparatus for monitoring the quantity of differential data in a ...
