ONTAP 9.12.1 commands

The system controller service-event show command displays one or more events that have been detected by the system for which a physical service action might be required. Physical service actions sometimes involve replacing or re-seating misbehaving FRUs. In such cases FRU attention LEDs will be illuminated to assist in physically locating the FRU in need of attention. When the FRU in question is contained within another FRU, both the inner and outer FRU attention LEDs will be lit. It creates a path of LEDs that starts at the chassis level and leads to the FRU in question. For example, if a DIMM is missing from the controller motherboard, the storage OS will detect this and log a service event whose location is the DIMM slot on the controller. The DIMM slot LED, controller LED and chassis LED will all be lit to create a path of LEDs to follow.

FRU Attention LEDs that are not visible from outside of the system (e.g. those on the controller motherboard such as DIMMs, boot device etc.) will remain on for a few minutes, even after power is removed from the containing FRU. As such, when the controller is removed from the chassis, a DIMM slot FRU attention LED will remain on, helping to locate the FRU in need of attention.

Generally, service events are cleared automatically when the issue is resolved. The corresponding FRU attention LEDs are extinguished accordingly. In cases where the service event request is caused by an environmental issue, it might be necessary to manually remove the service event from the list. This can be done using the system controller service-event delete command.

The following example lists the currently active service events.