Lemongrass Consulting Interview Questions and Answers

The tool used for SAP Upgrade is Software Update Manager (SUM).

• Software Update Manager (SUM) is the standard tool provided by SAP for performing system upgrades.

• It is used to upgrade SAP systems to higher versions or apply support packages and patches.

• SUM provides a guided procedure with step-by-step instructions for the upgrade process.

• It performs various tasks such as system checks, pre-upgrade activities, database m...read more

We use SAP Migration Cockpit for SAP Migration.

• SAP Migration Cockpit is a tool used for migrating data from legacy systems to SAP systems.

• It supports various migration objects like master data, transaction data, and customizing data.

• It provides a user-friendly interface for mapping and transferring data.

• It also allows for data validation and error handling during the migration process.

• Example: Migrating customer data f...read more

SUM DMO is a single step migration tool while SWPM is a multi-step migration tool.

• SUM DMO is used for homogeneous system migrations while SWPM is used for heterogeneous system migrations.

• SUM DMO is faster and more efficient than SWPM.

• SUM DMO requires less manual intervention compared to SWPM.

• SUM DMO is recommended for SAP HANA migrations while SWPM is recommended for non-HANA migrations.

• SUM DMO performs the migration a...read more

SYSTEM user is important in SAP HANA for performing administrative tasks and managing the system.

• SYSTEM user has unrestricted access to all system objects and can perform any operation on them.

• It is used for performing administrative tasks such as creating users, managing roles, and granting privileges.

• It is also used for managing the system, such as starting and stopping the database, and performing backups and restor...read more

SUM has 5 stages: PREPARE, DOWNLOAD, PREPROCESS, MAIN IMPORT, POSTPROCESS.

• PREPARE stage checks system prerequisites and creates a configuration file.

• DOWNLOAD stage downloads the required software components.

• PREPROCESS stage performs system checks and prepares the system for the main import.

• MAIN IMPORT stage imports the software components into the system.

• POSTPROCESS stage performs post-import activities like database u...read more

The SUM can be reset until the start of the execution phase.

• SUM (Software Update Manager) can be reset until the execution phase starts.

• Once the execution phase starts, the SUM cannot be reset.

• Resetting the SUM deletes all the logs and data collected during the previous run.

• Resetting the SUM is useful when there are errors during the pre-processing phase.

• After resetting the SUM, the pre-processing phase needs to be exe...read more

SPDD and SPAU are tools used in SAP to manage modifications made to standard objects.

• SPDD is used to manage modifications made to the ABAP Dictionary objects during a system upgrade.

• SPAU is used to manage modifications made to the Repository objects during a system upgrade.

• Both tools are necessary to ensure that modifications made to standard objects do not conflict with the upgrade process.

• SPDD and SPAU help to identi...read more

Shadow system is a replica of the production system used for testing and validation purposes.

• Shadow system helps in identifying and fixing issues before they occur in the production system.

• It is necessary to ensure the smooth functioning of the production system.

• It also helps in testing new functionalities and upgrades before implementing them in the production system.

• Shadow system can be used for training purposes as ...read more

Optimizations for OS/DB migration

• Perform a thorough analysis of the current system

• Ensure compatibility of the new OS/DB with the SAP system

• Perform necessary upgrades and patches

• Optimize the system parameters and configurations

• Perform thorough testing before and after migration

Yes, the SUM tool can be reset during an error faced in the Downtime.

• The SUM tool can be reset during an error faced in the Downtime by using the 'Reset' button in the tool.

• This will reset the tool to its initial state and allow you to start the process again.

• However, it is important to note that resetting the tool may result in data loss or inconsistencies.

• Therefore, it is recommended to only reset the tool as a last ...read more

I have performed various activities in SAP HANA including installation, configuration, monitoring, and troubleshooting.

• Installed and configured SAP HANA database and client software

• Performed system monitoring and performance tuning

• Troubleshot issues related to SAP HANA database and applications

• Implemented backup and recovery strategies

• Created and managed database users and roles

• Implemented security measures to protect ...read more

The command to check profile consistency in Linux is 'saproot.sh'.

• The 'saproot.sh' command checks the consistency of SAP profiles in Linux.

• It can be run as the 'root' user or with 'sudo'.

• The output of the command shows any inconsistencies in the profiles.

• The command can be used to troubleshoot issues related to SAP profiles.

Homogeneous system copy is copying SAP system to the same OS/DB platform, while heterogeneous system copy is copying to a different platform.

• Homogeneous system copy is done within the same OS/DB platform.

• Heterogeneous system copy is done between different OS/DB platforms.

• Homogeneous system copy is faster and easier than heterogeneous system copy.

• Examples of homogeneous system copy include copying from SAP HANA to SAP H...read more

Yes, I have experience in refreshing database platforms.

• I have refreshed SAP HANA databases for clients during system upgrades.

• I have also refreshed Oracle databases for clients during system migrations.

• I am familiar with the process of backing up and restoring databases to refresh them.

To check active processes in Linux, use the 'ps' command.

• Open the terminal and type 'ps' followed by any options you want to use.

• Use 'ps aux' to see all processes running on the system.

• Use 'ps -ef' to see a full list of processes with their parent process ID (PPID).

• Use 'ps -eLf' to see a tree-like structure of processes and their child processes.

• Use 'top' command to see real-time information about processes and system ...read more

JCO connection is used to establish communication between SAP systems and non-SAP systems.

• JCO stands for Java Connector

• It is used to connect SAP systems with non-SAP systems

• It enables communication between SAP systems and external systems using Java applications

• JCO connection is established through a set of Java classes provided by SAP

• It is used for data exchange, remote function calls, and business process management

To troubleshoot a hanging JAVA portal for ESS and MSS portal, check system logs, restart services, and analyze system performance.

• Check system logs for any errors or warnings related to the portal

• Restart the services related to the portal

• Analyze system performance to identify any bottlenecks or resource constraints

• Check if there are any recent changes made to the system that could have caused the issue

• Verify if the iss...read more

Memory allocation in SAP ABAP refers to the process of assigning memory to different components of the system.

• Memory allocation is a critical aspect of SAP ABAP system performance.

• It involves allocating memory to different components such as work processes, buffers, and shared memory.

• The amount of memory allocated to each component is determined by system parameters and can be adjusted as needed.

• Proper memory allocatio...read more

Homogenous system copy can be done using SAPinst tool and Heterogenous system copy can be done using SWPM tool.

• Homogenous system copy involves copying the SAP system from one host to another with the same operating system and database.

• SAPinst tool is used for Homogenous system copy.

• Heterogenous system copy involves copying the SAP system from one host to another with a different operating system or database.

• SWPM tool i...read more

Yes, I have set up HA architecture in SAP.

• I have experience setting up high availability (HA) architecture in SAP using technologies such as SAP HANA System Replication (HSR) and SAP HANA Shared Disk (HSD).

• I have configured HA for SAP systems such as SAP ERP, SAP BW, and SAP CRM.

• I have also implemented disaster recovery (DR) solutions for SAP systems using technologies such as SAP HANA System Replication (HSR) and SAP ...read more