Is there any current file system or software for the OSs in question that maintains a list of what blocks in a sparse file were modified and when? If not, there's no real way to do what you want, as some program is going to have to walk the entire file to find any changes that have occurred since the last backup.
--Ted Edward Ned Harvey wrote: > Yes, I’ve done this, and you’re right it does compress all the serial > 0’s down to essentially zero size. However, you’re still sending the > whole file, not just a subset of changed blocks. So it still takes the > time of a full backup, not just an incremental. > > > ------------------------------------------------------------------------ > > _______________________________________________ > Tech mailing list > [email protected] > http://lopsa.org/cgi-bin/mailman/listinfo/tech > This list provided by the League of Professional System Administrators > http://lopsa.org/ _______________________________________________ Tech mailing list [email protected] http://lopsa.org/cgi-bin/mailman/listinfo/tech This list provided by the League of Professional System Administrators http://lopsa.org/
