What is Defragmentation.How disk is fragmented and tools for defragmentation.
What is fragmentation?
File system fragmentation, sometimes called file system aging, is the inability of a file system to lay out related data sequentially (contiguously).
Fragmentation is one slow process which happens to you hard disk or volume over time as you create,load,save,editor delete the data files.It increases disk head movements or seeks.
Fragmentation is one slow process which happens to you hard disk or volume over time as you create,load,save,editor delete the data files.It increases disk head movements or seeks.
Any Partition contains contains only few small internal structures called blocks at a time when it is formatted and others are empty.When you do any activity on your data files then the changes that you have made is stored in a different place in your volume which is different than original file.These saved file is not like the same file or it doesn't affect the original file,it only stores bit information that makes the original files.As time passes both the files original and bit-data file and volume also become fragmented as file size increases gradually and .This results in slowdown of your computer as it has to look in different places to open a single file.
Individual file fragmentation occurs when a single file has been broken into multiple pieces.
Free (unallocated) space fragmentation occurs when there are several unused areas of the file system where new files or metadata can be written to.
Defragmentation:
Defragmentation is a process to reunite the fragmented block of data.It rearrange all the data block in order so your disk or volume can work more efficiently(See Above Image).Disk Defragmenter is a tool that rearranges the data on your volume and reunites fragmented data so your computer can run more efficiently.
In most of operating system disk defragmenter runs at regular intervals when your computer is turned on, so you don't have to remember to run it. It's scheduled to run once a week at an early hour in the morning. However, you can change how often Disk Defragmenter runs, and at what time of the day.
Keep In Mind:
- If disk is already in use by other program then it can not be defragmented.
- It is only applicable to the NTFS,FAT32 or FAT file systems.
- Network location cannot be defragmented.
- Damaged disk cannot be defragmented.For that first you have to repair your drive.
Tools:
Defragmenting your hard drive regularly is an important part of regular hard drive maintenance, and the best tools can defrag your drive regularly or on demand when your computer become to slow.
Defraggler:This is an portable and powerful app which also provide clean free space facility,quick defrag,and specific file or folder defragmentation.
Smart Defrag:It is one of the fastest defragmentation tools which also supports boot-time defragmentation.It runs in background.
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