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Queries related to Installation of EhP5 on ECC 6.0

Dear All,

We are planning for the install EhP5 on existing ECC 6.0 on Max DB 7.8.

Our DB Size about 600 GB.

We have gone through all the Pre-requisites, Master Guide and installation guides available on the market place.

From that we conclude that we would need to first implement, activate and test the same on the SandBox (copy of Production instance). Henceforth, we would call it as Test Server.

Once successful, do the same thing on DEV - QAS - PRD.

Queries:-

1. I would like to know how much time would it take for Installation and Activation of BFs. We have estimated 2 weeks for this on each server. i.e. TEST, DEV, QAS and PRD. Is this overkill?

2. For ABAP development, fixing and functional testing we are considering about 5 weeks on TEST Server and 2 weeks each on DEV,QAS and PRD.

I believe that DOING IS KNOWING. Hence I would like to verify this from the person who has done it instead of depending on the assumptions.

3. Once successful, we would install EhP5 on DEV and transport the TRs generated during activation of BFs in Test Server to DEV by copying CO files and Data files. Is this recommended approach?

Or

Can we disable existing link of Transport Route from DEV-QAS-PRD and establish TEST-QAS-PRD and going forward this would become our future landscape? What are the potential risks or losses in this approach? (This might be my imagination so pardon me. Just out of box thinking.)

Regards,

ROI_SAP

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  • Posted on Sep 21, 2011 at 01:05 PM

    > I believe that DOING IS KNOWING. Hence I would like to verify this from the person who has done it instead of depending on the assumptions.

    Exactly.

    "How long" depends on how much modifications you have made, how much resources you have to test and how much adaptions you need to make. Nobody can estimate that for you because nobody knows your system but you. If you have the test system up and running let people have a look on it and estimate from there.

    > 3. Once successful, we would install EhP5 on DEV and transport the TRs generated during activation of BFs in Test Server to DEV by copying CO files and Data files. Is this recommended approach?

    Yes, you create a transport in SFW5 "manually", this is not done by just activating the BF. But this transport should then be imported on the subsequent systems. Be aware of the fact, that you may get double transport numbers because you original DEV system is still up and running.

    > Can we disable existing link of Transport Route from DEV-QAS-PRD and establish TEST-QAS-PRD and going forward this would become our future landscape? What are the potential risks or losses in this approach? (This might be my imagination so pardon me. Just out of box thinking.)

    If you copied your production then you will loose develoment histories and versions (if you don't backup them manually).

    Markus

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    • Former Member

      Dear Mr. Markus Doehr,

      I appreciate your response.

      Since I was travelling, I could not check in time.

      My queries are as below:-

      Comment 1

      "How long" depends on how much modifications you have made, how much resources you have to test and how much adoptions you need to make. Nobody can estimate that for you because nobody knows your system but you. If you have the test system up and running let people have a look on it and estimate from there.

      ****

      Yes, I 100% agree. I am talking about installation and activation only. Would this take 2 weeks?

      Fixing of ABAP, Testing and Regression Testing would be a separate exercise for 3 u2013 5 weeks with full IT as well as Business Teams.

      ****

      Comment 2

      If you copied your production then you will lose development histories and versions (if you don't backup them manually).

      ****

      So If I take a backup of all Transports and other related tasks in some readable format, would it be safe do carry out this exercise?

      I mean, would there be any other impact?

      ****

      Thanks a lot for your help.

      Regards,

      SAP_ROI

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