Asynchronous I/O not available

Message text

 basis_daioconfig: Asynchronous I/O not available

Explanation

This error (or additional errors starting with basis_daioconfig) are raised when Adaptive Server is unable to start up with asynchronous I/O on an HP-UX system. This problem is caused by an incorrect operating system configuration. Common reasons include:

This section explains how to investigate and correct the error, and provides additional resources for troubleshooting the memory problem.

Action

Although they are reported in the Adaptive Server error log, basis_daioconfig errors originate from the operating system and can be corrected with appropriate management of memory parameters and device permissions.

Investigate the problem by checking for additional asynchronous I/O related messages in the error log; these messages are printed just prior to the Asynchronous I/O not available error.

Additional information

Refer to the following information about asynchronous I/O: