Patent ID: 6959310
Filing Date: 2005-10-25
Classification: G06F,Y10S

Abstract:
1. A method for providing a standby file system, comprising the steps of: generating a first snapshot of a first file system at a first time, wherein the first file system is a primary file system; restoring to a second file system the first snapshot of the first file system, wherein the second file system is a standby file system; generating a second snapshot of the first file system at a second time; generating a data set of the first file system by determining a set of changes between data stored in the first snapshot of the first file system and data stored in the second snapshot of the first file system and storing the set of changes into the data set; and bringing the second file system to the state of the first file system at the second time by applying, after the restoring, the data set to the second file system.