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Another project have been completed by me this year.
Since the sister company (formerly I maintain) moved to hyperconverged Nutanix and used Acropolis as its hypervisor, there is a SAP R / 3 4.7 ext 200 system running on HP rx4640 machine with HPUX 11.23 OS and Oracle 9.2 database server that must be migrated to a Nutanix machine . HP rx4640 machine is not extended maintenance support. While the system, SAP R / 3 4.7 ext 200 is also not supported by SAP both SAP instance and database server.
Target using Linux OS SLES 11 SP4 and DB2 database server 9.7 FP 5.
Broadly speaking the migration process is :
– Export existing data in SAP R / 3 4.7 ext 200 on HPUX source machine
– Install DB2 9.7 database server on target Linux
– Install Central Instance on Linux target
– Install Database instance in Linux target by selecting System Copy and export result (process no.1) as imported data.
The export process runs smoothly. Problems begin to emerge during process no.4 of them:
The process of database load had stopped because the file system is full sapdata. Solution: extend the sapdata partition and the file system
The database load process was stopped again because the file system is a full archive log. Solution: extend the partition and add the number of LOGARCHIVE second files.
After the import process is complete, there are still more problems that arise, the SAP kernel 6.40 used does not recognize the linux 3.0 kernel (used SLES 11 SP 4) and DB2 9.7 database. The solution is download the latest version of SAP kernel 6.40 EX2 patch (version 414).
Project un-official SAP OSDB migration done by un-certified Base like me
Hi…my blog readers…
This time, I will show you on step by step installing SAP ERP 6 EhP 8 using MaxDB 7.9 as database server. This posting will show you about preparation and prerequisite step. Make sure that you have copied all your installers on local disk.
Prepare your environment.
Run the sapinst.
What Are Microservices?
Microservices are one of the latest trends in software design where multiple independent services communicate among themselves and have their own processes and resources. This approach differs from a typical client-server application design. The usual client-server application consists of one or more clients, a monolithic back-end which includes all domain data and logic, and an API which allows clients to access the back-end and its functionality.
In a microservices architecture, the described monolithic backend is instead substituted by a suite of distributed services. This design allows better separation of responsibilities, easier maintenance, greater flexibility in the choice of technologies for each service, and easier scalability and fault tolerance. At the same time, complex distributed systems have their set of challenges. They have a greater chance of having to deal with race conditions, and they are harder to debug as problems are not easily pinpointed to one single service, but are instead distributed through many. If an effort is not made to follow the best practices while building such a system, you may find yourself surrounded by fires that you do not know how to put out. Special care must be taken with the services’ payload contracts, as changes in one service may affect all its clients, and consequently all the back-end’s service suite. (more…)
This videos will show you on how to install SAP HANA platform edition and will be continue with installation of SAP NetWeaver 7.4 on it.
There are some tricky part for installation of this SAP NetWeaver on HANA. You have to use xfs file system for data filesystem (on directory :/hana/shared). On this tutorial video, I use xfs for whole root (/) directory.
Installation of SAP HANA platform edition.
Preparation check of SAP NetWeaver 7.4.
Installation of SAP NetWeaver 7.4 part 1.
Installation of SAP NetWeaver 7.4 part 2 (final part).
Enjoy it, guys !!
All questions could be sent to my email : email@example.com
This video show you on step by step installation of SAP NetWeaver 7.4 using Oracle 12c as database server on SuSE Linux Enterprise Server 11 SP 4.
Installation part 1 :
Installation part 2 :
Installation part 3 :
Installation part 4 :
This video show you on how to install SAP HANA Studio on SuSE Linux Enterprise Server 11 SP 4. We can use SAP HANA Studio to access, manage, and maintain SAP HANA database server.