SAP Basis Tech Supports

Symptom
This note provides recommendations regarding configuration parameter settings for OneDB systems.
Other terms
OneDB, SAP Business ByDesign, liveCache, MaxDB, parameter, USE_COROUTINES, UseCoroutineForUserTask, LOG_QUEUE_COUNT, LogQueues
Reason and Prerequisites
You use a OneDB system Version 7.6, 7.7 or 7.8.
Solution
A OneDB instance can process BW queries in addition to providing the functions of an Online Transaction Processing (OLTP) instance and a [...]

Symptom
This note provides supplementary information about the version upgrade to MaxDB 7.8 and refers to all known problems.
Details about performing the version upgrade are contained in the upgrade guide: “Upgrade to MaxDB Version 7.8″.
For a current version of the upgrade guide, go to:
http://service.sap.com/instguides
-> Other Documentation
-> Database Upgrades
-> MaxDB
The valid MaxDB DVD material numbers (MatNo) of [...]

Symptom
This note provides answers to the most frequently asked questions about MaxDB Administration.
1. What are the tasks of a MaxDB database administrator?2. What administration tools are available?3. Can administration tasks be automated?4. Is there a central transaction in the SAP system for all administrative database activities?5. Where can I find more information about MaxDB CCMS?6. [...]

Symptom
This note is a collection of the questions that are often asked by colleagues and customers regarding SAP MaxDB SQL locks. It provides answers and refers you to other information sources. The note is in no way complete.
1. What is a transaction?2. Why must SQL locks be set on database objects?3. When are [...]

Symptom
This note describes the needed MaxDB database log files that ByD Support has to add to a ByD customer call when you have MaxDB database problems.
These log files are the precondition that SAP MaxDB Support can start any database specific analysis.
Other terms
MaxDB; ByD; Log Files; knlmsg; knlmsgarchive; rtedump; database analysis;
Reason and Prerequisites
You are having [...]

Symptom
This note is a collection of the questions that are often asked by colleagues and customers regarding external backup tools. It provides answers and refers you to other information sources. The note is in no way complete.
1. Which external backup tools are supported for MaxDB?2. Where can I find documentation about the integration [...]

Symptom
You want to run a MaxDB/SAP DB/liveCache instance in a UNIX cluster for failover.
The database software can be configured differently for your directories depending on your requirements. This note describes tips for installing the software directories.
This note should not be considered for HotStandby implementations. During a HotStandby solution, there is no transfer of [...]

Symptom
You can operate an adaptive computing environment with MaxDB/liveCache.
This note explains the general conditions for storing the software in this case.
Other terms
Multiple Services, ACC, Adaptive Computing Controller
Reason and Prerequisites
MaxDB and liveCache allows you to run several instances of different versions on a single server.
Some software components are stored only once on a server. For documentation [...]

Symptom
You want to use an automatic check to check whether the configuration of your liveCache/MaxDB/OneDB (OLTP/BW) instance corresponds to the current SAP recommendations.
Other terms
liveCache, MaxDB, OneDB, BW, SAP Business Information Warehouse, parameter, configuration
Reason and Prerequisites
Reason:
Due to developments in experience and knowledge, it may be useful to adjust the liveCache/MaxDB/OneDB configuration. In this [...]

Symptom
After installation of the new version of Networker, the MaxDB backup is no longer recognized as successful.
Other terms
Networker, backup, save
Reason and Prerequisites
The new version of Networker ignores the ‘-l’ option in the save command. Therefore, the MaxDB software cannot recognize the save operation as successful.
The problem is known as of Networker Version 7.4A00SP4.
Solution
Since there [...]