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How many maximum partitions we can create in windows machine

Answered How many maximum partitions we can create in windows machine

  • Wednesday, June 09, 2010 6:49 AM
     
     
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    How many maximum partitions we can create in windows machine ???
    Durga charan ojha http://www.durga-mcse.blogspot.com/
     

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  • Wednesday, June 09, 2010 7:50 AM
     
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    MBR layout - Four partitions maximum

    GPT layout - Windows currently limit number of partitions to 128. This may change in future.

    See the info below.

    http://www.microsoft.com/whdc/device/storage/gpt_faq.mspx

    http://en.wikipedia.org/wiki/GUID_Partition_Table

     

     
  • Wednesday, June 09, 2010 11:46 AM
     
     
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    Thanks Les52

    Ok so four primary partitions is maximum

    and from one extended partitions how many maximum number of logical partitions one can create.

     

     

    Durga charan ojha http://www.durga-mcse.blogspot.com /
     
  • Wednesday, June 09, 2010 1:30 PM
     
     
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    Hi Durgacharan,

    I didn't find authoritative answer on the web, so I tested it myself in a virtual machine.

    I finally gave up when I reached the count of 347 logical partitions.

      Partition 339  Logical             10 MB  3720 MB
      Partition 340  Logical             10 MB  3731 MB
      Partition 341  Logical             10 MB  3742 MB
      Partition 342  Logical             10 MB  3753 MB
      Partition 343  Logical             10 MB  3764 MB
      Partition 344  Logical             10 MB  3775 MB
      Partition 345  Logical             10 MB  3786 MB
      Partition 346  Logical             10 MB  3797 MB
      Partition 347  Logical             10 MB  3808 MB

    DISKPART> create part logical size=10

    My virtual system could create more.

    I set up a text file that I used with diskpart command.

    diskpart /s diskconf.txt

    diskconf.txt
    ========

    select disk 1
    create partition logical size = 10
    create partition logical size = 10
    create partition logical size = 10
    create partition logical size = 10
    ...

    However, performance may be a problem. I did not test performance with so many logical partitions.

    If you decide to test for yourself, please post your results. I'm curious too.

    Good luck

     
  • Thursday, June 17, 2010 12:50 PM
     
     
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    I have not tested in any machine yet, anyway thanks a lot Les52
    Durga charan ojha <a href="http://www.durga-mcse.blogspot.com/>my blog
     
  • Wednesday, January 30, 2013 9:58 PM
     
     
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     I love you. You are the Geek we should all aspire to, thank you for the time and energy you put into finding out how far you can push mouse clicks in one day.  Have a great year, you are a star.

    P.S. I am not taking the urine, I think you are great. :)