![]() ![]() When you try to start HANA it fails with "process hdbdaemon HDB Daemon not running". Hardware portion of the survival guide HANA Not Starting after a failed hdblcm rename (hdbrename) There is no generic line in the trace would point to hardware, but if the issue is OS related or a disk cannot mount please follow the If youĬannot create the file run the chmod command on the folder to allow reading and writing (ie chmod 764) Hardware issue User and see if that user can make a file in the location specified in the trace to verify this. In the trace we will see the message 'not authorized' in the trace, in this scenario check as the adm To troubleshoot a slow starting SAP HANA Database refer to the KBA 2222217 - How-To: Troubleshooting SAP HANA Startup Times Authorization Issues To understand the detailed steps that the SAP HANA Database does when you trigger a start or restart see the SAP blog post SAP HANA Startup. It maybe the case that there is no error and the SAP HANA Database needs some more time than normal to start. In the trace we will see 'Cannot open file "//logsegment_000_XXXXXXXX.dat", rc=2: No such file or directory'įor this please review SAP Note 1788692 - Index Server crash due to missing LogSegment file SAP HANA Startup is slow Resolution to a corrupt log segment is to do a recovery that does not involve that log segment Missing Log Segments The trace file will say something like cannot find or cannot read a log segment at a hexadecimal address, the only Review SAP Note 2083715 - Analyzing log volume full situations Corrupt Log Segments In this the trace file will contain the words 'rc=24 no space left on device errors' for this please However, after checking the indexserver, you should be able to see where the error liesĬommon issues that we can see are: Disk Full Error Preprocessor (statistics server would not cause the system to stop starting). The order of checking the trace files should be first the daemon, nameserver, indexserver, compileserver, and Or create a full system dump by following SAP Note 1732157 - Collecting diagnosis information for SAP HANA Rest if it is successful, if it is successful the issue could be with hdbdaemon or sapstartsvr and youĬheck the HANA trace files in the following location /usr/sap//HDB//trace If this fails go to /usr/sap//HDB/exe here you can try and run the processes manually To see if the HANA database will start try via putty going to /usr/sap//HDB and running If you see the running processes then please review the System Hang section. Please ensure that processes are being ran by the correct adm user incase they have multiple HANA's Hdbstatisticsserver (this may not be present as of post SP7 this could be merged into the Indexserver) If the HANA database is running the following processes will be present The first thing that is needed to be determined, is if the SAP HANA database is running. ![]() At the end of this guide, there will be frequently asked questions and common problems that are encountered. This page is to explain the steps on how to perform checks if the SAP HANA instance is not starting. ![]()
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