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Thread: Trouble formatting blank hard drive

  1. #21
    Join Date
    Oct 2012

    Re: Trouble formatting blank hard drive

    Hi Peltsi,

    I registered and added my name to the list of those affected.

  2. #22
    Join Date
    Sep 2006
    Ubuntu 12.04 Precise Pangolin

    Re: Trouble formatting blank hard drive

    I'm piggybacking on this thread, maybe for good reasons, maybe not.

    I'm formatting external (USB) 500GB hard drives with gparted, creating two partions on each: an EXT3 and an NTFS, each comprising half of the drive. Simple question for everyone:

    Why is there IMMEDIATELY 12.7GB used on the EXT3? It makes no sense. There's nothing on the drive to journal or index. almost 13Gigs??? For less than 250 GBs total? WTF? All of the NTFS drive is available for storage, by the way, as it should be.

    What gives?
    “Men are born ignorant, not stupid. They are made stupid by education.” -- Bertrand Russell

  3. #23
    Join Date
    Jun 2009
    SW Forida
    Ubuntu 16.04 Xenial Xerus

    Re: Trouble formatting blank hard drive

    Some tools report GB others GiB. Journal is created as soon as you format drive. And Linux reserves 5% which you can adjust. That is to prevent system from crashing when you get low on space. Windows assumes you know when you get below abotu 10% and it gets really slow it is time to houseclean or get more space.

    MB vs MiB
    Then when you format it, the ext4 is journalized so it reserves space for the journal. This improves performance and allows error correction for the cost of a small amount of space. Also reserves space.
    Hard Drive size
    More confusion?
    1 Gigabyte (GB) = 1,000,000,000 bytes.
    1 Gibibyte (GiB) = 1024x1024x1024 = 1,073,741,824 bytes
    160 GB (gigabytes) = 149.01 GiB (gibibytes)

    Also in Linux the default is to reserve 5% of the diskspace for the superuser (this can be adjusted using tune2fs -m).
    sudo tune2fs -l /dev/sdd3
    For more info on UEFI boot install & repair - Regularly Updated :
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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