I'm tried to defragment my 10Gb hdd fat32 .I choose quick try. terminate the working the disk map appears not fragmented. I quit and exit, then restarting defrag: the map it's the same as before quick try.
Why? Imre Leber wrote: > > > Here is the explanation: > > The old methods start by going through the disk from start to finish. For > every cluster it determines which file it has to put there. The file that > is in the way is moved to a different location and the file that should be > there is put in that location. This is very slow. Moreover since much more > data is copied, it tends to be sensitive to disk corruption (resetting the > computer is a very bad idea). > > The new methods, go through the directory tree once, determining which > files are fragmented. For every fragmented file it looks for a location > where it can put it continously. Then it puts the file there. Result: very > fast and far less copying. Moreover data that does not need to be copied > stays where it is. Drawback: on some systems where the disk may be too > full, it might not be able to defragment all files (hence: quick try). > > Imre > > > > ----- Oorspronkelijk bericht ----- > Van: Eric Auer [mailto:[EMAIL PROTECTED] > Verzonden: maandag, maart 17, 2008 01:56 PM > Aan: 'Imre Leber' > Onderwerp: Re: freedos defrag methods > > > Hi! > >> Well the old methods from MSDOS are still >> supported for historical reasons. > > I think for smaller partitions (FAT16), they are still useful... > >> But anybody serious about defragmentation should use the >> new "quick try" methods. > > Can you give some more explanation about the pros and cons > of the "quick try" methods? > >> That is the only sane and safe way to do it. > > No method should be unsafe - which have unsafe implementations? > > Eric > > > > > > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Freedos-devel mailing list > Freedos-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-devel > > -- View this message in context: http://www.nabble.com/Fwd%3A--freedos-defrag-methods-tp16119594p16120340.html Sent from the FreeDOS - Dev mailing list archive at Nabble.com. ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Freedos-devel mailing list Freedos-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-devel
