ISSUE: During RHEL 7.x bare metal installation on POWER8 Systems, petitboot is unable to continue stage2 due to not finding the media device.
The baremetal installation fails for RHEL installation using DVD or USB images. The reason is that installation is unable to find /dev/boot device which is pointed to boot media for stage2 to continue.
In boot options to define the "inst.stage2=hd:UUID=your_UUID" where UUID is the device UUID of either the USB or the DVD Drive.
More details can be found in IBM Infocenter in following link:
EXTRACT FROM IBM Infocenter:
Download the ISO file for the Linux distribution and create a bootable USB device or DVD.
Insert your USB device into the front USB port.
Verify that USB device is shown as an option in Petitboot as USB: sdc:
USB: sdc /
Note: Select Rescan devices if USB device does not appear.
If you are installing Red Hat Enterprise Linux 7.2, you must provide some additional details to the installer. Follow these steps:
Record the UUID of the USB device. For example, the UUID of the USB device in the following example is 2015-10-30-11-05-03-00.
Rescue a Red Hat Enterprise Linux system (64-bit kernel)
Test this media & install Red Hat Enterprise Linux 7.2 (64-bit kernel)
* Install Red Hat Enterprise Linux 7.2 (64-bit kernel)
Select Install Red Hat Enterprise Linux 7.2 (64-bit kernel) and press e (Edit) to open the Petitboot Option Editor window.
Move the cursor to the Boot arguments section and add the following information:
where your_UUID is the UUID that you recorded.
Petitboot Option Editor
Device: ( ) sda2 [f8437496-78b8-4b11-9847-bb2d8b9f7cbd]
(*) sdb1 [2015-10-30-11-05-03-00]
( ) Specify paths/URLs manually
Boot arguments: ro inst.stage2=hd:UUID=2015-10-30-11-05-03-00
[ OK ] [ Help ] [ Cancel ]
Select OK to save your options and return to the Main menu.
Note: Be patient! It can sometimes take a couple minutes for the installation to begin.
Follow the installation wizard for your Linux distribution to set up disk options, your user name and password, time zones, and so on. The last step is to restart your system.
After the system restarts, Petitboot displays the option to boot the Linux distribution that you installed. Select this option and press Enter.
IBM - email@example.com