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    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/FAS2820_DISK_REDUNDANCY_FAILED_ERROR_occurs
      Autosupport (DISK REDUNDANCY FAILED) ERROR is triggered from the node, resulting in degraded HA status on both nodes. Upon checking the environment, the SAS cable [7] connected to node-2 appears to be...Autosupport (DISK REDUNDANCY FAILED) ERROR is triggered from the node, resulting in degraded HA status on both nodes. Upon checking the environment, the SAS cable [7] connected to node-2 appears to be disconnected and shows a status of <N/A>. [7] Vendor: <N/A> (disconnected) Serial number: 123456789 Part number: 112-00437+A0 [4] Vendor: <N/A> (disconnected) Serial number: APF12345678901 Part number: 112-00435+A0 Type: <N/A> <N/A> <N/A> ID: <N/A> Swaps: 0 Serial number: <N/A> Part number: <N/A>