Booting in LPAR mode from tape

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6.18 LPAR mode

You can boot Linux® in LPAR mode from tape.

Before you begin

You need a boot device that is prepared with zipl.

Procedure

Perform these steps to boot from a tape boot device:
  1. In the navigation pane of the HMC, expand Systems Management and select the hardware system that you want to work with. A table of LPARs is displayed on the Partitions tab in the content area.
  2. Select the LPAR where you want to boot Linux.
  3. In the Tasks area, expand Recovery and click Load as shown in Figure 1.
    Figure 1. Load task on the HMC

    Screen capture of the Hardware Management Console. In the Tasks area, expand the Recovery list and click Load.
  4. Proceed according to your hardware level to specify details about the load process.

    Follow these steps for IBM® z16® with the updates of May 2023.

    1. Select device type Tape as shown in Figure 2.
      Figure 2. Load panel for booting from tape with device type selection

      Screen capture of the Load panel with device type Tape selected.
    2. Select load type Load an OS.

    For earlier hardware levels, select load type Standard load.

    Note: Do not select Clear main memory before loading check box unless you must clear memory. Memory clearing can considerably prolong the IPL procedure.
  5. Enter the device number of the tape boot device in the Load address field.
  6. Click OK to start the boot process.

What to do next

Check the output on the preferred console to monitor the boot progress.