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Hello everyone! I wonder is there a way to lock a partition of a hard drive or make it so that no files go there,except my OS? I made a partition with 17GB on my hard drive that's only for an OS use. The problem is that some files go there, even if I don't want to. So, after a year of use, some kind of files filled up the whole 13GB left and now I have 0MB.Of course since the OS is also there, my laptop became really,relly slow. So if someone knows if there's a way, please tell me.

P.S I'm running XP

asked Aug 19 '10 at 08:34

elko5903's gravatar image


edited Aug 19 '10 at 11:06

Well you wouldn't call it "locking a hard drive". I've never heard of that. The truth is the partition needs to be able to be writable to because your OS caches all the time. If you're running windows, I can almost guarantee that all of those files are back up restore points. Windows does this by default unless you turn it off, and it can eat dozens of GB of space. If you're running vista, that's the worst case senario as that OS makes these restore points constantly unless you tell it to shut up and be quiet. As far as I remember it's under "computer" then "system information" then "protection"? Or something like that. You can turn off system backups and tell it to delete all of the past restore points (that you don't need...) to free up all of that space. Windows Xp also does this but I can't remember how to turn it off. Just google it. WIndows 7 does this too, but less aggressively. This is probably your mystery source of random space sucking files. If it's not, then um, well if you're installing programs, HEY those take up space! Even if you choose to install programs to a separate partition, believe me tons of stuff still goes to the OS. It could also be that other programs are saving files there by default, you simply need to change the file path they use when they go to save. But I can almost guarantee that with 13GB? Yeah that sounds like good old Windows Restore at work.... Just get rid of it.

answered Aug 19 '10 at 09:39

Peter%20Murphy's gravatar image

Peter Murphy

You could try something like http://en.wikipedia.org/wiki/Deep_Freeze_(software). The machine will be usable but none of your settings will save unless the machine is in a "thawed" state. Then you must "freeze" it again to keep it from saving files.

answered Aug 19 '10 at 10:18

tyler785's gravatar image


edited Aug 19 '10 at 10:18

Old RLL hard drives and some of the proprietary 'dinosaur' drives required a manual lock down;new devices do not,since they do so automatically upon spindown. However I do not think your situation is directed towards a lock- its about pointing installs. That's possible because most installers- I know Microsoft and WISE install engines do- afford you that oppotunity. The default is almost always directed to the Program Files folder on the system drive since you have two partitions. I run three on this machine; a Linux/w GRUB, and a Windows with another 'junk' partition. Remember: With Windows, the boot drive holds programs and the system drive carries the MFT and boot files. That might have changed but I ALWAYS load programs and data to my 2nd partion/logical drive. Its a lot nicer and safer if you have a 2nd hard drive for data, especially with 'do or die' critical data.

answered Aug 19 '10 at 10:45

NoncDavid's gravatar image


edited Aug 19 '10 at 10:50

I would reformat and reinstall your OS as drive D:. This will prevent programs from saving files on your OS partition since their default storage locations are for C: (Usually). You will still have some programs that will need to be installed in your Program Files folder to work but at the moment I cannot recall any that require it. Also, watch your system restores like others have said. You can also change how much of the drive they use to save with. The default on these is 12% of the partition and each partition can be set differently. The recycle bin is also set to use 10% of hard drive space so make sure that isn't full. You can also change the recycle bins usage as well too. There are other things that you will need to check into, like driver storage and updates. I do not know if they require the OS partition or not.

answered Aug 19 '10 at 14:24

Josh_M's gravatar image


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Asked: Aug 19 '10 at 08:34

Seen: 3,864 times

Last updated: Aug 19 '10 at 14:24