The question is: Do we need to change anything on the IOCDS to reflect zLinux (native, not under z/VM), taking...
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into consideration that we will utilize all available DASD on the test environment? Are there any hardware changes needed (e.g., adding Linux processor and the changes on the HMC profile)?
With regard to the HMC, the only change you should need to do to the HMC profiles is to ensure that the LPAR IPLs from the correct volume when activated.
That said, I'll strongly encourage you to get z/VM ASAP unless you are in one of the very few scenarios where running in LPAR makes sense (see one of my earlier responses for why and when Linux in LPAR mode is useful). The time and effort you'll spend solving the system management headaches for LPAR operations are more than enough to justify the cost of z/VM several times over.
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