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Product Version: 7.0

Last Modified: 14 Mar 2018


The size of the NAKIVO repository that comes with NAKIVO virtual appliance (VA) is limited to 16 TB.


NAKIVO VA is created along with a repository mounted on EXT4 logical volume where 64bit support is disabled by default. As a result, the repository filesystem limit is 16 TB.



  1. Make sure you have backed up the NAKIVO repository. It is recommended to use the RAID technology that would increase integrity of your data.
  2. Make sure that the volume that surrounds the NAKIVO repository is able to support the required resulting size. This is important for encrypted volumes, and volumes divided into partitions.

Please follow the steps below to enable 64bit support for EXT4 filesystem where the NAKIVO repository is located:

  1. Execute the resize2fs command to define the version of the e2fsprogs package that is installed on the VA operating system.
  2. If the output of the command contains a version greater than 1.43, please proceed directly to Step 7 on unmounting the repository filesystem.
  3. Update the /etc/apt/sources.list file with the sources of necessary packages as follows:

    deb-src trusty main restricted

    deb-src trusty restricted main universe multiverse
    deb-src trusty-updates restricted main universe multiverse
    deb-src trusty-backports main restricted universe multiverse
    deb-src trusty-security restricted main universe multiverse
    deb-src trusty-proposed restricted main universe multiverse
  4. Install the necessary packages and build utilities of the e2fsprogs package as follows:

    sudo apt-get update

    sudo apt-get install git
    sudo apt-get install make
    sudo apt-get install build-essential
    sudo apt-get build-dep e2fsprogs
    cd $(mktemp -d)
    git clone -b v1.43 e2fsprogs && cd e2fsprogs
  5. Execute the resize2fs command as follows:

    cd resize

  6. Choose either of the following:
    • If the output of the command contains the version 1.43, please use ./resize2fs instead of resize2fs for the rest of the steps.
    • If the output of the command contains any other version, please go to Step 3 or exit the procedure, since you built the wrong version of the e2fsprogs package.
  7. Unmount the repository filesystem as follows:

    sudo umount /dev/mapper/Volume_Group_Backup_Repository_500GB-Logical_Volume_Backup_Repository_500GB
  8. Check the filesystem for errors:

    sudo e2fsck -fn /dev/mapper/ Volume_Group_Backup_Repository_500GB-Logical_Volume_Backup_Repository_500GB


    Prior to executing Step 6 on enabling EXT4 64bit support, please refer to tune2fs and resize2fs man pages for more info on filesystem flags.

  9. Enable 64bit support for the EXT4 filesystem as follows:

    sudo resize2fs -b /dev/mapper/Volume_Group_Backup_Repository_500GB-Logical_Volume_Backup_Repository_500GB
  10. Remount the repository filesystem:

    sudo mount /dev/mapper/Volume_Group_Backup_Repository_500GB-Logical_Volume_Backup_Repository_500GB

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