Patent ID: 6061769
Filing Date: 2000-05-09
Classification: G06F,Y10S

Abstract:
A method, for use in a backup manager, of taking a backup copy of a data set for use, together with a log, in forward recovery of said data set, updaters updating a part of the data set by copying said part of the data set into buffers, performing an update on the copy in said buffers, and copying the updated buffers contents to said part of the data set, the method comprising the steps, by the backup manager, of:taking a backup copy of said data set;characterized in that:the data set is open for update by multiple updaters; and the method further comprises the steps, prior to said taking a backup copy, of:indicating the current time as a Recovery Time; andwaiting until all updaters have copied all said updated buffers contents to said part of the data set.