SAP Data Volume Management (DVM) FAQ
How to find out, that this guided self service helps me to improve my solution? What are the alerts, KPI's in my solution, that helps me to decide to run this GSS?
a.) Service is only valid for ABAP based components.
b.) An alert for data and storage management is raised in an EarlyWatch Alert report.
b.1.) This alert comes up, if DB size and DB growth exceed the numbers in the table below. In case the alert is raised, a GSS for Data Volume Management is recommended.
You can find information about DB size and DB growth of your system in chapter 'Database Adminstration' of the EarlyWatch Alert report.
|System Component||Database Size (GB)||Yearly growth (%)|
|ERP (based solutions)||250||20|
b.2.) In case that your SAP Solution Manager system and your managed system(s) meet the technical requirements and in case that the DVM content is activated for the, five database objects are proposed by the EWA report which show potential for data reduction to be achieved by e.g. data archiving or deletion of data. The Saving Potential is determined based on the header table of the document type. Here, the following rules are applied: For Basis and Cross-Application all tables / indexes older than 6 month are considered as saving potential. In addition, for application data all tables / indexes all tables older than 24 month are considered as saving potential. An alert for data and storage management in an EarlyWatch Alert report indicates a saving potential of more than 10 % for an object. In case the alert is raised, a GSS for Data Volume Management is recommended. You can find additional information in chapter 'Data Volume Management' of the EWA report.
c.) If no Early Watch Alert data are available, important KPI to analyze are DB size and DB growth. In case the numbers measured in your system exceed the numbers in the table below, this service helps to find potential for improvement
|System Component||Database Size (GB)||Monthly growth (GB)|
|ERP (based solutions)||500||800||30|
|BW / SEM||500||800||30|
|SCM - APO/EWM||300||500||15|
Is there any special procedure to run this GSS?
What is the result of this GSS?
As a result you will get a report with the analysis result dependent on the chosen objects, recommendation on possible next steps and possible options in terms of:
- Data avoidance
- Data summarization
- Data deletion
- Data archiving
- Calculation of saving potential
Necessary Follow Up activity is to discuss with Business the different recommendations and the way to implement it.
What are the benefits of this GSS?
- Minimization of disk usage
- Optimization of data volume
- Improvement of performance in special cases
Please find an example for a resulting word document with recommendations, etc. in the attachments of this SAP .
How often or in what sequence shall I run this GSS?
There is no general recommendation. Via EWA or system monitoring , DB size and growth can be monitored and used as trigger for subsequent use of this GSS. Alternatively Install DVM Cockpit (SolMan 7.0) or setup DVM workcenter (SolMan 7.1), define KPI's and alerts and use this as trigger for the next GSS delivery
What are the technical prerequisites of my service?
Details are described in SAP 1487247
How can I create a GSS for DVM?
There are two ways to create a GSS for DVM:
1. SAP Engagement and Service Delivery Workcenter
You can access the SAP Engagement and Service Delivery Workcenter with transaction SM_WORKCENTER. Here you can navigate to 'Services'. After using button 'Create', a popup comes up. Here you can select 'Data Volume Management'. Follow the procedure to create a Guided Self Service for DVM with button 'Next' and confirm the creation of the Guided Self Service with button 'Finish'. A new browser window will open with your new Guided Self Service for DVM.
2. Data Volume Management Workcenter
You can access the Data Volume Management Workcenter with transaction SM_WORKCENTER. Here you can navigate to 'Service Documents'. Again after using button 'Create', a popup comes up guiding you through the steps to create a Guided Self Service for DVM (as described above).