Ext4 Available Space
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  1. #1
    Join Date
    Nov 2016
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    Ext4 Available Space

    Hello,

    Are there any charts or formulas to indicate how much available space a drive should have using Ext4?

    I am asking as I was provisioned a 6.5 terabyte drive (showing as 6.5 terabytes using lsblk). After partitioning it showed 5.9 terabytes while the disk shows 6.5 terabytes.

    Commands Used:
    Code:
    parted /dev/sdb
    (parted) mklabel gpt
    (parted) unit TB
    (parted) mkpart primary 0.00TB 6.50TB
    (parted) print
    (parted) quit

    Then after mkfs.ext4 /dev/sdb1 and mounting as /u01, df -h shows 5.6TB available.

    I have created many 3-4 terabyte drives and dont remember it using this much overhead.

    Is this right? If not what can you recommend to use Ext4 for this disk?


    Thanks,

    Michael
    Last edited by micahel8773; 10th August 2018 at 08:01 PM.

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