Hello,
This website may help you in your search.
http://publib.boulder.ibm.com/infocenter/iseries/v5r3/index.jsp?topic=/rzaly/rzalyprintgraphview.htm
Choose the correct procedure for configuring disks…
Under the System Management tab, select Manage your disks, Work with Device Parity Protection, Include Disk Units in a parity set.
Hope this helps…
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