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False positive ATTO bridge unreachable alert reported

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metrocluster
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metrocluster
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Applies to

  • ONTAP 9
  • MetroCluster FC
  • ATTO FibreBridge
  • ATTO bridge managed via in-band and secured (Ethernet access disabled)

Issue

  • ONTAP reporting ATTO bridge unreachable via out-of-band managed, even though the device is managed in-band:

 HA Group Notification (Health Monitor process schm: StorageBridgeUnreachable_Alert[10000xxxxxxx]) ALERT

HA Group Notification from Node-1 (Health Monitor process schm: NoISLPresentAlert[1000xxxxxxxx]) ALERT

  • ATTO bridge responds to requests and is reachable via FC (output truncated): 

ClusterA::> storage bridge run-cli -name ATTO_bridge -command Info
[Job 123456] Job is queued: Executing ATTO CLI command "Info" on bridge "ATTO_bridge"..
Device Status = Good
Unsaved Changes = None
Device = "FibreBridge 7500N"
Serial Number = FB7500Nxxxxxx
Device Version = 3.40
..

  • sysconfig -a the output shows the ATTO bridge and shelves/drives connected to it 

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