When configuration data on the load source of a logical partition is different from what the server expects, an error displays in the product activity log (PAL). A reference code of B600 5311 occurs against the load source disk unit.
If you have recently moved or added disk units either within the server or from another server, they may still contain configuration data. If you do not want to use one of them as the load source, you need to clear the configuration data before proceeding.
Otherwise, if you do want to use one of the new disk units as your new load source on the logical partition, follow these steps from the dedicated service tools (DST) menu: