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Hard Drive Partitions; When small, OS boot Fast. When big, OS boot slow.

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  • 28-04-2012 9:38am
    #1
    LeakingLava
    Registered Users Posts: 1,374 ✭✭✭


    Hi everybody. I have a 1TB hard drive which I divided into 2, for OS and for storage. I've recently bought hard drives for storage so I thought I might as resize the OS partition and make it the full 1Tb. After I've done this, I've noticed a serious decrease of speed when booting. I'm just wondering, is that because I've resized it? Or have I done something wrong? Advance thanks for all who will read and reply. :)


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    #2
    LeakingLava
    Registered Users Posts: 1,374 ✭✭✭LeakingLava


    Please answer :(


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    #3
    armitage_skanks
    Closed Accounts Posts: 114 ✭✭armitage_skanks


    Yes, an OS is fastest when it is put on a small (but big enough!) partition at the outside of the HDD.

    This is because the linear velocity of the outside of the drive is much higher than the centre, so sequential speeds are higher. (basically the head is travelling over much more data per second). And the small partition means the heads never have to travel too far.

    An unpartitioned HDD starts out like this, with the OS on the fastest part of the drive, but gradually the OS data gets scattered across the disk.


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    #4
    Skylinehead
    Registered Users Posts: 11,690 ✭✭✭✭Skylinehead


    I've never heard anything like partition sizes affecting boot time, for what it's worth. Aside from bits of the OS being further away, increasing seek time.


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    #5
    LeakingLava
    Registered Users Posts: 1,374 ✭✭✭LeakingLava


    armitage_skanks wrote: »
    Yes, an OS is fastest when it is put on a small (but big enough!) partition at the outside of the HDD.

    This is because the linear velocity of the outside of the drive is much higher than the centre, so sequential speeds are higher. (basically the head is travelling over much more data per second). And the small partition means the heads never have to travel too far.

    An unpartitioned HDD starts out like this, with the OS on the fastest part of the drive, but gradually the OS data gets scattered across the disk.

    Does that 'outside' mean like the left side or the right side of the HDD (when you look at it when editing the partitions using a software)


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    #6
    armitage_skanks
    Closed Accounts Posts: 114 ✭✭armitage_skanks


    LeakingLava wrote: »
    Does that 'outside' mean like the left side or the right side of the HDD (when you look at it when editing the partitions using a software)

    Left.


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    #7
    LeakingLava
    Registered Users Posts: 1,374 ✭✭✭LeakingLava


    armitage_skanks wrote: »
    Left.

    Thanks a lot :) I'll try to fix it up later. Thanks again


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