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Analysing High SAP Roll Wait Time - NW702
One of my clients identified an increase in the Response Time measurements they monitor. They use the EarlyWatch Report to monitor the SAP system SLAs against response time performance.I initially...
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HowTo: Install HANA Lifecycle Manager
Scenario: You've followed my previous post on how to install a basic HANA DB and now you would like to install HANA LM into the same instance so that you can patch HANA and perform other LM tasks.What...
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HowTo: Disable HANA Web Dispatcher
Scenario: The SAP HANA Web Dispatcher seems to be automatically running in HANA 1.0 SPS70. I am supposing that this is mainly for the XS-Engine.If you have already removed the XS-Engine (see my post...
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Why SAP Learning Hub Is Great Value
I run my own company and I am primarily a BASIS guy, secondarily a DBA.With the launch of SAP HANA, the new In-Memory DB platform from SAP, I decided that I needed to prove my skills with this popular...
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HowTo: Check HANA LM Is Running
Scenario: You want to check if the SAP HANA Lifecycle Manager is running/installed.The SAP HANA Lifecycle Manager is installed separately the HANA DB and runs in its own Java VM.It's installed by...
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HANA Studio - Diagnosis Mode Connection Overload
Be careful when using HANA Studio in Diagnosis Mode with the refresh interval set to a low value.When set to 5 seconds (the default), the number of connections opened to the HANA DB is one every 5...
View ArticleDBCLONE Is Still Running, Running & Running Running...
Scenario: Your running through an upgrade of SAP on Oracle, either applying an EHP or a support package stack update. You're using the "Standard" downtime minimized approach and you've got to the SUM...
View ArticleSAP DBCO Connection Without TNSNAMES
In order to create an external database connection to another database, so that an ABAP program can access it, you normally create the connection details in transaction DBCO.However, if you use the...
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Solution Manager 7.01 MOPZ Stuck Calculating Selection
I had an issue with Solution Manager 7.01 SP24 where I had created a maintenance transaction for an SEM system (with a sidecar Java stack) and it got stuck in the "calculating" step when in the...
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SAP HANA - SSL Security Essential
The HeartBleed hack exposed the consequences of security holes in software designed to provide encryption of network traffic.However, this doesn't mean that all encryption software has holes and it's...
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HowTo: SAP Kernel Patch History
Scenario: Your SAP system Kernel has been patched.You would like to see the patch history of the system and you are running on Windows and SQL Server. You can view the patch history for a DLL or...
View ArticleWhat are you buying when you purchase an SAP HANA appliance?
I get asked this question from friends who work in IT:"What are you buying when you purchase an SAP HANA appliance?"My answer is: "Time".
View ArticleSQL Server Shrink Transaction Log Script
Below is a script that shrinks SQL Server transaction logs tested on SQL Server 2008R2.Before running the script, you should ensure that you take a transaction log backup of your databases (which...
View ArticleHowTo: Check SAP SUM Version Without Executing
Scenario: You have extracted, or previously used and subsequently found, a SUM directory on your SAP system.This is production and you don't want to start SUM on this system.You want to know what...
View ArticleRMAN 10.2 Block Corruption Checking - Physical, Logicial or Both
It's an old topic, so I won't dwell on the actual requirements or the process.However, what I was not certain about, was whether RMAN in 10.2 (10gR2) would perform both physical *and* logical...
View ArticleSAP HANA - Migrate Statistics Server 1917938
Since SAP note "1917938 - Migration of statistics server with upgrade to SPS 7" seems to be going missing rather a lot, I've noted the content here for reference based on v10 05-05-2014.If you do not...
View ArticleHowTo: Using DBMS_STATS to Restore Stats
Scenario: You're about to implement some major changes to the Oracle database that will adjust the database statistics.Oracle provide the DBMS_STATS package to help administer stats. The package...
View ArticleHANA Memory Allocation Limit Change With hdbcons for HANA
The SAP HANA command line utility hdbcons can be used to administer the HANA system directly from the Linux operating system command line.It's a very powerful utility and I'm sure as time goes by, it...
View ArticleNative or Direct HANA Connection
When using the SAP HANA Studio, you can configure the connection to the HANA DB as NATIVE or DIRECT (from Window -> Preferences -> General -> Network Connections).When NATIVE is selected, this...
View ArticleHANA - Emergency Shutdown
For testing purposes, you can perform an emergency shutdown of the HANA indexserver forcing it to simply crash out.This will require a DB recovery (automatic) upon restart!Use the hdbcons utility (as...
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