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Former Member

Hetrogeneous ECC installation

Hi,

Client wanted to install ECC6 implementation on hetrogeneous environment. Database instalnce on HP-UX , Central instance on Windows2003. I know that technically it is possible but it is very complex . My questions is do we face any problems during installation / after that installation. What about future upgradation ? how simple ? what are the disadvantages if we select this senario.Also license ,software download on windows/unix We need to put all this to client .

Please suggest.

Thanks in advance

Kristene

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    Former Member
    Sep 01, 2006 at 06:09 AM

    Hello Kristene,

    I would recommend your customer investigate the cost vs. benefit of this approach.

    A heterogeneous environment becomes extremely complex when factors such as High Availability / Failover are introduced into the equation. The maintenance of a heterogeneous system is higher than a homogeneous system. Patches and version dependency analysis is complex

    I would start by ascertaining your customer’s reasons for preferring to run the database server on HP-UX. Most modern HP Integrity servers are using the Itanium CPU. This CPU can run HP-UX, VMS Open, Linux or Windows 2003 for Itanium systems. The stability of either HP-UX or Windows on the same hardware is the same, ceteris paribus. With SAP there is still a slight performance advantage running on HP-UX for very large customers (3,000 users +).

    Construct a table of “positives” and “negatives”. The only positive I can think of is a slight performance advantage, but this is more than outweighed by increased complexity, licensing and maintenance costs.

    Present this to your customer and suggest to your customer that if they are concerned about the Total Cost of Ownership of their SAP system a heterogeneous landscape is a poor choice.

    N.P.C

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