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StorageGRID nodes losing connectivity with Node Down Alert

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storagegrid
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sgrid
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Applies to

  • StorageGRID 
  • VMware Based Nodes
  • StorageGRID Appliance

Issue

Some or all StorageGRID nodes report:

  • Unable to communicate with node
  • NODE_DOWN-CRITICAL
  • Displays as Unknown
  • Unexpected node reboot
Alert is marked as resolved after few minutes.
 
  • From Bycast.log of affected nodes error reported:
Sep 29 14:31:29 <Nodename> ADE: |12536413 3008184556 RCON CDED 2023-09-29T14:31:29.759604| NOTICE   0603 580a14e60999bd82 RCON: peer 12415652 destroyed network result ENDT rcon type ndcd:DISCONNECTED reason dbrk:DISCONNECTED_BROKEN
Sep 29 14:31:29 <Nodename> ADE: |12536413 0518715227 RRTR ndcd 2023-09-29T14:31:29.759637| NOTICE   0700 RRTR: Connection to LDR, NID 12415652 was lost because "Neighbour connection was broken"

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