Enabling asynchronous disk I/O

To enable asynchronous I/O, install the HP asynchronous I/O driver from the SAM Kernel Configuration menu:

  1. Shut down Replication Server.

  2. Choose Drivers and set the Pending State for asyncdisk to In.

  3. From the Actions menu, rebuild the kernel, and restart the system.

  4. At the UNIX command prompt, execute the following statements as “root”. The user who is starting Replication Server should be either the owner of the /dev/async directory, or have write permission on the directory.

    /etc/mknod /dev/async c 101 4
    chmod 0660 /dev/async
    chown sybase /dev/async
    

Contact your operating system administrator or HP technical support for help with installing this driver.