Solved how much free space must be in hard disk?

September 5, 2011 at 06:42:17
Specs: Windows XP
How much free space must be in each partition when using XP Pro?

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#1
September 5, 2011 at 07:33:11
Depends on what you are using that partition for and the type of partition.

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#2
September 5, 2011 at 07:43:52
The only caveat I know of is that you need a minimum of 15% free space in order to perform a de-fragmentation of the partition.

Why are you asking? When a partition is too full files may need to be broken up and scattered around the drive because there may not be sufficient contiguous space to write the file.

That condition will slow down Windows.


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#3
September 5, 2011 at 08:06:18
✔ Best Answer
It is hard to say how much space you actually "need". If an application or system process needs disk space and insufficient is available you will have problems. Aside from that it will work with almost no free space. How well is another matter.

You should have at least 15% free for proper defragmentation and efficient operation of the file system. Problem is that when most people ask how much free space they need there is well under 15% free.


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#4
September 5, 2011 at 08:12:52
15%?Is it for all hard disk or for each partition?My computer has 2 partition and for now i don't install any program which demanding high system and technical requirements.Yesterday my one folder have became empty and after restarting the computer it restored automatically, the error message was something like "insufficient...".

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#5
September 5, 2011 at 08:24:44
It's the free space that's remaining on the partition Windows itself was installed on that's important. If there's not enough free space % left on that, Windows will run MUCH slower than it does when there's more than enough free space.
What is the total size of that partition on your computer ?
If 2gb free space is a lot less than , say, 10% of the total size of the partition, you don't have enough free space on that partition.

".... i don't install any program which demanding high system and technical requirements....."

Programs that are installed but are not running don't require any system resources.


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#6
September 6, 2011 at 00:05:27
Installing a program may take more space than the finished installation. Many times the program is compressed. It has to be expanded before the installation along with program options, language, and drivers. So a 70 mb program might need 300 mb of free space to start the install.

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