How to defragment and move unmovable files?


  1. Posts : 23
    Windows 10
       #1

    How to defragment and move unmovable files?


    Hi, I want to "consolidate" (put together) all unmovable files (all those whose names start with $) in the very beginning of C: and then close to that piece I want to put pagefile.sys.
    The thing is that no program I know not only offers to MOVE them but also DOES it. Disktrix for example refused to do anything to pagefile.sys, and AusLogics Disk Defrag Ultimate (offline defragmentation) only DEFRAGMENTED some of the $-files but never even tried to move it to the beginning, and also failed to defragment pagefile.sys (access denied). I mean, those tiny unmovable files are everywhere within the first 1/3 of the disk (i.e. in the fastest area!) so there's no way of putting pagefile.sys there without it being fragmented, so first I need to move together and to the beginning of the disk those weird $-files.

    If you have done it - suggest me how to successfully do it, please.
      My Computer


  2. Posts : 1,249
    Windows 10 Pro
       #2

    This would be a waste of time and effort and most likely would impair performance.

    The beginning of the drive provides the fastest transfer rate. But that doesn't mean much to real world performance. It might seem obvious that Windows would read files from start to finish before moving on to the next. But that isn't what happens. Typically files are read in relatively small pieces as they are needed and mixed with other files. Reading a large file from start to finish usually only happens with application files, not system or application files. Windows has done this since the introduction of NT in 1993. I believe Linux has always done this and the Mac has since the introduction of OSX nearly 20 years ago.

    For system and application files it is disk seek time that is the dominant performance factor. Rotational latency is second with transfer rate being a rather distant third.

    As part of the Prefetch feature the OS will periodically arrange the files used at boot time and application start time so as to minimize head seek times. Moving the files to the beginning of the drive would interfere with this and degrade performance. Leave this to Windows.
      My Computer


  3. Posts : 7,257
    Windows 10 Pro 64-bit
       #3

    This video explains the procedure nicely.

      My Computers


 

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