Operating System Configuration

If the number of semaphores is too low, HADB can fail and display this error message:

No space left on device

This can occur either while starting the database, or during run time.

To correct this error, configure semaphore settings. Additionally, you may need to configure shared memory settings. Also, adding nodes can affect the required settings for shared memory and semaphores. For more information, see Configuring Shared Memory and Semaphores in Sun GlassFish Enterprise Server v2.1.1 High Availability Administration Guide.