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MEDIATOR installation failed to start the service

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metrocluster
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Applies to

  • ONTAP 9
  • Mediator 1.x 
  • CentOS/RHEL 8.x running on a physical machine
  • CentOS/RHEL 8.x running on a virtual machine

Issue

Mediator installation is successful, but mediator-scst service won't start

[root@Centos ~]# systemctl status mediator-scst.service
● mediator-scst.service
   Loaded: loaded (/opt/netapp/lib/ontap_mediator/systemd/mediator-scst.service; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Mon 2020-05-11 13:58:39 CEST; 29min ago
   Process: 3322 ExecStart=/etc/init.d/scst start (code=exited, status=5)

May 11 13:58:39 Centos systemd[1]: mediator-scst.service: Service RestartSec=100ms expired, scheduling restart.
May 11 13:58:39 Centos systemd[1]: mediator-scst.service: Scheduled restart job, restart counter is at 5.
May 11 13:58:39 Centos systemd[1]: Stopped mediator-scst.service.
May 11 13:58:39 Centos systemd[1]: mediator-scst.service: Start request repeated too quickly.
May 11 13:58:39 Centos systemd[1]: mediator-scst.service: Failed with result 'exit-code'.
May 11 13:58:39 Centos systemd[1]: Failed to start mediator-scst.service.

The following errors is present in dmesg 

May 11 14:39:01 Centos scst[3992]: Loading and configuring SCSTmodprobe: ERROR: could not insert 'scst': Required key not available
May 11 14:39:01 Centos scst[3992]: modprobe scst failed.
May 11 14:39:01 Centos scst[3992]: [FAILED]

 

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