Kickstart on /dev/dasda requires formatting in %pre

Solution Verified - Updated -

Issue

Formatting the dasd-storage is not working with the following kickstart configuration:

zerombr no 
clearpart --all --initlabel 

It seems to be required to explicitly format the storage in a %pre-script:

%pre 
dasdfmt -y -b 4096 -f /dev/dasda 

Question:
Is using a %pre-script the only way to make the storage available for installation?

Environment

  • Red Hat Enterprise Linux 5.4
  • IBM z-Series
  • Storage on /dev/dasd*

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