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"SinglePathToDiskShelf_Alert "and "DISK REDUNDANCY FAILED" during adding new shelf

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HW
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Applies to

FAS/AFF System

Issue

  • During hot shelf addition, ONTAP trigger "SinglePathToDiskShelf_Alert "and "DISK REDUNDANCY FAILED".
  • EMS report:

Wed Feb 15 11:09:06 +0800 [node-02: pmcsas_admin_1: sas.cable.pushed:debug]: Cable attached to SAS port "0b" was pushed in.
Wed Feb 15 11:10:22 +0800 [node-02: pmcsas_asyncd_1: sas.adapter.online:info]: SAS adapter 0b is now online.
Wed Feb 15 11:10:43 +0800 [node-02: stackmon_thread: stackmon.shelf.discovery.complete:debug]: One or more shelves have been discovered.
Wed Feb 15 11:10:43 +0800 [node-02: disk_stackmon_update_thread: disk.stackmon.discovery.done:debug]: Stackmon detects disk discovery being done.
Wed Feb 15 11:11:27 +0800 [node-02: pmcsas_admin_1: sas.cable.pushed:debug]: Cable attached to SAS port "0c" was pushed in.
Wed Feb 15 11:11:40 +0800 [node-02: svc_queue_thread: shelf.config.tomixedha:notice]: System has transitioned to a mixture of single, multi-path or quad-path storage configurations.
Wed Feb 15 11:11:40 +0800 [node-02: svc_queue_thread: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED
Wed Feb 15 11:11:40 +0800 [node-02: nchmd: hm.alert.raised:alert]: Alert Id = SinglePathToDiskShelf_Alert , Alerting Resource = 196687023371xxxxxxx raised by monitor node-connect
Wed Feb 15 11:12:19 +0800 [node-02: pmcsas_asyncd_1: sas.adapter.online:info]: SAS adapter 0c is now online.
Wed Feb 15 11:12:41 +0800 [node-02: mgwd: callhome.hm.alert.major:alert]: Call home for Health Monitor process nchm: SinglePathToDiskShelf_Alert[196687023371xxxxxxx].
Wed Feb 15 11:12:41 +0800 [node-02: svc_queue_thread: shelf.config.tompha:info]: System has transitioned to multi-path HA attached storage
Wed Feb 15 11:12:41 +0800 [node-02: nchmd: hm.alert.cleared:notice]: Alert Id = SinglePathToDiskShelf_Alert , Alerting Resource = 196687023371xxxxxxx cleared by monitor node-connect

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