Aggregate alternating between normal and degraded status during background disk firmware update
Applies to
- ONTAP 9
Issue
- Aggregates on the system intermittently report a degraded status and then return to normal a short time later
- The messages can be observed on the CLI
Cluster::> event log show -event raid.rg.degraded -severity notice
Time Node Severity Event
------------------- ---------------- ------------- ---------------------------
10/13/2021 16:56:32 node-01 NOTICE raid.rg.degraded: : Raid group /aggr_01/plex0/rg1 is degraded
10/13/2021 16:56:32 node-02 NOTICE raid.rg.degraded: : Raid group /aggr_02_ROOT/plex0/rg0 is degraded
10/13/2021 16:56:32 node-02 NOTICE raid.rg.degraded: : Raid group /aggr_02/plex0/rg1 is degraded
10/13/2021 16:53:58 node-01 NOTICE raid.rg.degraded: : Raid group /aggr_01/plex0/rg0 is degraded
10/13/2021 16:53:58 node-02 NOTICE raid.rg.degraded: : Raid group /aggr_02_ROOT/plex0/rg0 is degraded
10/13/2021 16:53:58 node-02 NOTICE raid.rg.degraded: : Raid group /aggr_02/plex0/rg0 is degraded
10/13/2021 16:51:29 node-01 NOTICE raid.rg.degraded: : Raid group /aggr_01/plex0/rg1 is degraded