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Upgrade to StorageGRID 11.7 stuck on a Storage appliance in "Preparing for upgrade" step

Last Updated:

Applies to

NetApp StorageGRID 11.7


  • During the upgrade to 11.7 a storage node goes into an unknown state and the upgrade.log on the appliance is failing with the below Error:


[2023-06-09T12:15:41.748364 #33987] ERROR -- : Failed to open TCP connection to <Admin node>:9999 (Connection timed out - connect(2) for "<Primary Admin Node>" port 9999) (Errno::ETIMEDOUT)

  • Can see network isolation events from the remaining nodes when they attempt to communicate with the affected one. 


WARNING -- Possible network isolation: Node has no contact with other nodes. If this warning persists, use the /usr/sbin/ command to tell this node the address of another node in the grid. See the Recovery and Maintenance Guide for details.

  • The Storage node cannot connect to any GRID node on any GRID port and the IP of the affected node is missing from the element grid_ips in nft ruleset. Checked by running the below command:

nft list ruleset


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