egosetsystemd

Configures automatic startup of EGO on a Linux® host. The egosetsystemd.sh script supports the systemd daemon process, which starts processes in parallel, and reduces the boot time and computational overhead. (IBM® Spectrum Symphony also provides the egosetrc.sh script, which supports the init daemon process, which starts as soon as your system starts and continues running until it is shut down.) Depending on your system, use either egosetsystemd.sh or egosetrc.sh.

Description

Configures a Linux host to allow automatic startup of EGO on the machine when a system reboot command is issued. Creates the file ego under the system startup directory.

This is an administrative command. You must be logged on as root to issue this command.

Restriction: Note that applying Fix 602717 fixes this conflict; you do not require the following workaround after applying Fix 602717: There is a known conflict between the systemd and egosh ego shutdown or egosh ego restart commands; as a workaround, add RemainAfterExit=yes in the $EGO_SERVERDIR/ego.service file before running egosetsystemd.sh. For example:

ExecStart=/opt/ibm/spectrumcomputing/4.0/linux-x86_64/etc/ego_daemons.sh start
ExecStop=/opt/ibm/spectrumcomputing/4.0/linux-x86_64/etc/ego_daemons.sh stop
RemainAfterExit=yes

For ease of administration, you should enable automatic startup. This starts EGO automatically when the host restarts. After running egosetsystemd.sh, perform one of the following steps:

• Restart the machine so that EGO can start up automatically.
• Run systemctl start ego as root so that the cluster runs at the expected target unit.
  Note: Other than to set the egosetsystemd.sh script to automatically start EGO, do not use systemctl to control ego.service. To start and stop services and components for IBM Spectrum Symphony, use product's command line or the cluster management console instead.

If you do not configure hosts to start automatically, EGO must be started manually.

Tip: For a cluster installed on a shared file system, systemd is used to automatically start EGO when the host starts up, and therefore, requires that a shared file system mount service to be set as a dependency for EGO. Run egosetsystemd.sh as root, then modify the /etc/systemd/system/ego.service file: in the Unit section, add the shared file system mount service in the After parameter. For example, for NFS automount services, add autofs.service as follows:

[Unit]Description=IBM Spectrum Computing family: EGO
After=network.target autofs.service