regarding lpars’s

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LPARs
if it is an lpar machine,whether the primary lpar will have any business aplication or it is only for os that is for controlling secondary lpar's??

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Could you expand a bit on the question?

Logical partitions are a function of the Operating system.

What you do with/on/in them is your own affair.

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If you have a controlling primary LPAR, it is up to you to choose to install applications on it. It is not recommended. (Of course, IBM would like you to buy a box big enough to run three LPARs so you could have a spare for the controlling LPAR.)

A solid reason for installing production applications in a controlling primary LPAR is when the box only has two LPARs and the secondary LPAR is for development and testing. You run the business from the primary LPAR. You use the secondary LPAR to test a new release of i5/OS or to test changes to your applications.

You can stop and start the secondary LPAR as often as you wish without interrupting your main business LPAR.

Tom

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  • CharlieBrowne
    Yes, you can run applications in the primary lpar. * As I recall, back in the early 1970's IBM stated partitioning on the S/360 At that time you did have one partition whose only purpose was to control the other partitions. * Oops, I think I just dated myself. LOL
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  • DanD
    You can run applications of the primary, but if you need to upgrade it or put on PTFs your other LPARs will be down for the duration. We always just left it app-free so we didn't have to upgrade or worry about PTFs. Are you on old hardware? Why not go to an HMC managed system? I always hated wasting the iSeries resources it took for a managment only LPAR? DanD
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