Windows 8.1 defragmentation query

AAppleyard

New Member
Messages
1
I have at last tracked down defragmentation (under Optimization), and called it on my computer.

(1) There are 2 parts to defragmentation, as I remember from Windows 3.1 and DOS times:-
(a) Putting the fragments of each file together.
(b) Packing all the files together so that there are no unused gaps of memory between them.
My defragmenter does (a), but how can I make it do (b), to stop it from putting new files as fragments, each fragment in one of these small gaps?

(2) The defrag list shows a directory C:\System Volume Information\ , which I cannot see in my file and directory lister, even in "display hidden files" mode. It contains a file C:\System Volume Information\{8ba708aa-051a-...(etc), which is 9,142,252 kbytes, i.e. over 9 gigabytes! It is in 30 fragments. What is it, taking up so much space?

The defrag list shows a file C:\hiberfil.sys , again not visible in my directory and file reader, 13,372,256 kbytes, i.e. over 13 gigabytes. It is in 2 fragments. What is it, taking up so much space? Is it a record of old goings-to-sleep, or what?
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    PC/Desktop
    System Manufacturer/Model
    hp
    Antivirus
    Norton
1. You have no control where the file system puts files or file fragments.
2. The large file contains system restore information and previous versions of files. Do not attempt to delete or modify anything in "System Volume Information". By default even an elevated admin account has no access.
The hiberfil.sys is used with hibernation. When entering hibernation the contents of RAM is written to this file. On resuming it is read back.
 

My Computer

System One

  • OS
    Windows 7
    Computer type
    PC/Desktop

My Computer

System One

  • OS
    Win 8.1.1 Pro x64
    Computer type
    Laptop
    System Manufacturer/Model
    Lenovo E525
    CPU
    AMD A4-3300M @ 2,0GHz
    Memory
    6GB DDR3 1333MHz
    Graphics Card(s)
    AMD Radeon HD 6480G 512MB shared
    Sound Card
    Creative Sound Blaster X-Fi Surround 5.1
    Screen Resolution
    1366x768
    Hard Drives
    WD 465GB
    Cooling
    Fusion Tweaker
    Keyboard
    Logitech K360
    Mouse
    Logitech M705
    Internet Speed
    50/50 MBps
    Browser
    Yandex
    Antivirus
    No AV & No Firewall
    Other Info
    Headphones: Sennheiser RS170
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