Does an external drive need a paging file?

January 27, 2011 at 20:15:33
Specs: Windows 7/64, 8GB
Hello, I have been cleaning up my computer and noticed that Windows assigned my 2 backup drives the same size paging file as I assigned to Windows. I like a set paging file as I deal in graphics, but am unsure if simple storage drives need a paging file. Any advice is appreciated.


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January 28, 2011 at 01:05:08
You can put paging files on external disk but you certainly don't have to. It's generally a bad idea as an external disk is likely to be much slower than an internal one (depending upon how it is connected). I would remove the paging files from the external drives.

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January 28, 2011 at 05:59:55
Also if you use a paging file on an external hard drive, you will have trouble using the 'safely remove device' feature since windows may be using the file and it will not be idle so it will not allow removal. I would not recommend using a paging file on an external unless you absolutely need to for other reasons.

You have to be a little bit crazy to keep you from going insane.

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January 28, 2011 at 08:18:32
You should never have multiple paging files. Windows will only use one and peridically "check" the others.

Paging is a OS memory function and is not drive related. In other words every drive does not need a paging file.

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