5.1 Prerequisites for the Local ULN Mirror

The system that you want to set up as a local ULN mirror must meet the following criteria:

  • Must be registered with ULN. See Chapter 3, ULN Registration.

  • Must be running Oracle Linux 6 (x86_64) or Oracle Linux 7 (x86_64).

  • Must have at least 6 GB of memory to create the yum metadata.

  • Must have enough disk space to store copies of the packages that it hosts. Note that disk space that is used for a mirror is only consumed and is never released. You should monitor disk space requirements regularly.

    The following table shows the approximate amount of space that is required for Oracle Linux channels:

    Oracle Linux Channel

    Space Required per Channel for Binaries Only

    Space Required per Channel for Both Binaries and Source

    ol*_latest

    Up to 60 GB

    Up to 120 GB

    ol*_addons

    8 GB

    10 GB

    ol*_oracle

    1.5 GB

    Not applicable

    ol*_base

    7 GB

    14 GB

    ol*_patch

    6 GB

    12 GB

    The next table shows the approximate amount of space that is required for Oracle VM channels:

    Oracle VM Channel

    Space Required per Channel for Binaries Only

    Space Required per Channel for Both Binaries and Source

    ovm*_latest

    2 GB

    5 GB

    ovm*_base

    500 MB

    1.5 GB

    ovm*_patch

    1 GB

    2.5 GB

    Note that since packages are updated frequently within these channels, the disk space requirements listed here are only approximations and may increase over time.