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  1. #1
    New Lounger
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    Partition to store page file on (Windows XP Pro)

    I have a laptop with a 30GB 4200rpm HD and I am trying to work out the best configuration I should use. I have 512MB of RAM.

    I understand that it is best to have pagefile memory equivalent to 3x the RAM in your machine. i.e. appox 1500MB of pagefile.

    I build my machines with a partition for the OS and a partition for data. I normally store the pagefile in the same partition as the data.

    I have a couple of queries I'd be grateful if anyone could help me with:

    - should I have the whole pagefile (i.e. 1500MB) on the data partition or have an amount (say 500MB) on the system partition and the remainder on the data partition?

    or

    - should I create a separate partition (i.e. have 3 partitions) one for OS, data and pagefile?

    thanks

  2. #2
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    Re: Partition to store page file on (Windows XP Pro)

    Here is some very good reading on this subject. Pagefile

    Your probably going to get several answers on this. But one thing I can tell you is that you won't see a performance gain unless the Pagefile is on a different Hard Drive with the same speed or more. When I only had one Hard Drive I kept my Pagefile on a different partition because of Defraging. It seem to keep my system partion cleaner. Also it would help to set your Minimum And Maximum the same. I don't think you need over 800MB Min and 800MB Max because of the fact that you have 512 MB of Memory it won't need the Swap file as often. But as I said you might get different answers from others.

  3. #3
    Uranium Lounger
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    Re: Partition to store page file on (Windows XP Pro)

    I'm going to be one to dispute the myth of 3 times the RAM for the size of a page file. IMHO, it's a waste of perfectly good disk space. In XP, you can see the page file usage in the Task Manager. For my money, I look at what Windows recommends and add 100MB to that size - if there's a lot of disk activity after that, then you can always increase it.

    When the page file is on the same physical disk, the only benefit to isolating it is that it will never become fragmented. However, if you set the size and it's allocated in one contiguous chunk on the system partition, you won't have that problem either - the file is not deleted upon reboot.

    Since laptops have slower drives, you're probably going to have somewhat of a hit by having the pagefile on a separate partition. It increases the amount of time required for the disk's read heads to travel. I'd leave it in the system partition for best performance.
    -Mark

  4. #4
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    Re: Partition to store page file on (Windows XP Pro)

    thanks - a lot of info in that article to keep me busy! <img src=/S/clever.gif border=0 alt=clever width=15 height=15>

  5. #5
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    Re: Partition to store page file on (Windows XP Pro)

    thanks, this is in line with other comments from colleagues.

  6. #6
    Uranium Lounger
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    Re: Partition to store page file on (Windows XP Pro)

    Cowboy wasn't kiddin' about different answers on that one. <img src=/S/yep.gif border=0 alt=yep width=15 height=15>

    Unless you do alot of heavy graphics manipulation or video burning and editing, your swap or page file is much too large. 1.5 times your RAM would be enough for most everyday chores. But as Cowboy pointed out, with 512MB of RAM you should only need a page file of 500MB. Setting the minimum and maximum to the same number prevents fragmentation of your page file (and without the proper utilities, you can't defrag it easily). And with only one HD, I'd leave the page file on the same partition as the OS, not the data. Why make the heads search for it all over the disk ???

    Well, that's my two cents.
    <IMG SRC=http://www.wopr.com/w3tuserpics/DocWatson_sig.gif>

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