https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/interactively_installing_rhel_over_the_network/preparing-a-rhel-installation-on-64-bit-ibm-z_rhel-installer#preparing-a-rhel-installation-on-64-bit-ibm-z_rhel-installer

 
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Table 11.2. Machine type compatibility for system types states "ESA" machine type applies to LPAR which is wrong. For LPAR, there are no machine types, it should be N/A.