LPAR example

In this example, a Linux® instance running on an LPAR is dumped to a DASD device. The dump is initiated from an HMC or SE.

About this task

The following description refers to an HMC, but the steps also apply to an SE.

In the navigation pane of the HMC, expand Systems Management and select the hardware system you want to work with.
A table of LPARs is displayed in the content area.
Select the LPAR for which you want to initiate the dump.
In the Tasks area, click Stop all processors (which is located in the Recovery section) to stop all CPUs. Confirm when you are prompted to do so.
In the Tasks area, click Load to display the Load panel.
lddt_t_xmp_se_dasd.html#fig_lxhmcload shows an example of an HMC with a selected hardware system and LPAR. The Load and Stop all processors tasks can be seen in the Tasks area.
Figure 1. HMC with the Load and Stop all processors tasks
Select Device type "ECKD".
Select IPL type Channel command word (CCW)
Select Load type Load a dump program.
Select the Store status check box.
Type the device number of the dump device into the Load address field.
To IPL from a subchannel set other than 0, specify five digits: The subchannel set ID followed by the device number, for example 1E711. lddt_t_xmp_se_dasd.html#fig_lxnrmlld shows a Load panel with all entries and selections required to start the dump process for a DASD or tape dump device.
Figure 2. Load panel for dumping to DASD
Click OK to start the dump process.
Wait until the dump process completes. Click the Operating System Messages icon for progress and error information.

When the dump has completed successfully for a stand-alone dump tool, you can IPL Linux again.