Where is the location of alert log file in Oracle 12c?

Where is the location of alert log file in Oracle 12c?

Listener log in Oracle 12c You can find the listener log under the ADR_BASE/diag/tnslsnr directory tree. (In this example, it’s /u01/app/oracle/diag/tnslsnr/oralinux1/listener/trace/listener.

How do I view alert logs?

Viewing the Alert Log

  1. Access the Database Home page in Enterprise Manager. For Oracle Enterprise Manager Database Control, see Oracle Database 2 Day DBA for instructions.
  2. Under Related Links, click Alert Log Contents. The View Alert Log Contents page appears.
  3. Select the number of entries to view, and then click Go.

Where is my CRS alert log?

Answer: The cluster alert log contains diagnostic messages for the Oracle cluster. The location for the cluster alert log is at this location: $ORA_CRS_HOME//log: This location contains log file and diagnostic messages for Oracle Clusterware.

What is alert log in Oracle?

Alert logs contain important information about error messages and exceptions that occur during database operations. Each Oracle Database for Windows instance has one alert log; information is appended to the file each time you start the instance. All threads can write to the alert log.

What is a listener in Oracle?

The Oracle listener is a service that runs on the database host and receives requests from Oracle clients. Sometimes the listener forwards requests to the database server (Figure 8.3), and sometimes it redirects the client somewhere else where the database server listens for dedicated connections (Figure 8.4).

How do I view Adrci logs?

Login to the database server and execute the lsnrctl stat command to get the location. 2. Change directory to the specified location and then view the listener log.

How do I check Adrci alert log?

You want to view an alert log by using ADRCI commands. To view an alert log with ADRCI, follow these steps: Invoke ADRCI. Set the ADR home with the set homepath command.

How do I view ASM alert log?

Oracle Database and Exadata Log File Locations

  1. Cell alert.log file. /opt/oracle/cell/log/diag/asm/cell/{node name}/trace/alert.log.
  2. MS logfile. /opt/oracle/cell/log/diag/asm/cell/{node name}/trace/ms-odl.
  3. Database alert logfile:
  4. ASM alert.log.
  5. Listener logfile.
  6. Diskmon logfiles.
  7. Clusterware CRS alert.
  8. Os message log file.

Where you will find the logs related to Clusterware issues?

The Oracle Clusterware alert log is the first place to look for serious errors. In the event of an error, it can contain path information to diagnostic logs that can provide specific information about the cause of errors. The location of the Oracle Clusterware log file is CRS_home/log/hostname/alerthostname.

How do I check database logs?

View Log Files

  1. In Object Explorer, expand Management.
  2. Do either of the following: Right-click SQL Server Logs, point to View, and then click either SQL Server Log or SQL Server and Windows Log. Expand SQL Server Logs, right-click any log file, and then click View SQL Server Log. You can also double-click any log file.

What is the alert log file?

The alert log file (also referred to as the ALERT. LOG) is a chronological log of messages and errors written out by an Oracle Database. Typical messages found in this file is: database startup, shutdown, log switches, space errors, etc.