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Link down between initiator and ATTO bridge port

  1. Last updated
    Jan 16, 2023
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Category:
metrocluster
Specialty:
metrocluster
Last Updated:
1/16/2023, 8:53:41 AM

Applies to

  • ONTAP 9
  • Stretch MetroCluster
  • ATTO bridges managed in-band

Issue

  • ONTAP health monitoring reporting alerts: 
Fri Dec 12 22:23:38 +0100 [NodeA: mgwd: callhome.hm.alert.major:alert]: Call home for Health Monitor process nchm: SinglePathToDiskShelf_Alert
Fri Nov 12 22:38:38 +0100 [NodeA: mgwd: callhome.hm.alert.major:alert]: Call home for Health Monitor process schm: StorageBridgeUnreachable_Alert
  • Configurarion transitioning to mixed-path state due to loosing path to disk drives: 
Fri Nov 25 22:22:58 +0100 [Node_A: dsa_disc: shelf.config.tomixed:notice]: System has transitioned to a mixture of single path, multi-path or quad-path storage configurations.
  • If the storage port or ATTO FC port are reset, ONTAP attempt to bring the link up, but fails after 30 seconds: 
Fri Nov 25 22:12:28 +0100 [NodeA: isp2400_asyncd_6: fci.adapter.link.online:info]: Fibre Channel adapter 2a link online.
Fri Nov 25 22:13:13 +0100 [NodeA: isp2400_timeout_6: fci.link.error:error]: Could not recover link on Fibre Channel
adapter 2a after 30 seconds. Taking the adapter offline.

 

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