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StorageBridgePortDown_Alert reported in MetroCluster due to unused SAS ports

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metrocluster
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Applies to

  • ONTAP 9
  • Fabric MetroCluster
  • ATTO FibreBridge
  • In-band Monitoring

Issue

  • The following alert is reported in the event logs:
[Node-01: schmd: hm.alert.raised:alert]: Alert Id = StorageBridgePortDown_Alert , Alerting Resource = 5001XXXXXXXXX884 raised by monitor system-connect
  • ATTO bridge SAS ports are offline and it reports the following errors:
ATTO_2000XXXXXXXXX880(2000XXXXXXXXX880):SAS_PORT_2 is Offline.
ATTO_2000XXXXXXXXX880(2000XXXXXXXXX880):SAS_PORT_3 is Offline.
  • The bridge health is degraded due to this:

Cluster1::> system health subsystem show
Subsystem         Health
----------------- ------------------
SAS-connect       ok
Environment       ok
Memory            ok
Service-Processor ok
Switch-Health     ok
CIFS-NDO          ok
Motherboard       ok
IO                ok
MetroCluster      ok
MetroCluster_Node ok
FHM-Switch        ok
FHM-Bridge        degraded
SAS-connect_Cluster ok
13 entries were displayed.

  • These offline SAS ports are enabled but are not being used for any connections.

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