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Element upgrade on H610S hangs at PreparePivotRoot on mNode, Waiting for background processes to complete on node

Last Updated:

Applies to

  • NetApp H610S
  • Upgrades to NetApp Element Software


  • While upgrading an H610S system to Element the upgrade process hangs at "PreparePivotRoot" on the management node (mNode)
    • Note: This issue is fixed in Element Software and only applies to upgrades to Element Software
  • The storage node's console (which can be viewed via BMC remote control or by directly connecting to the node) shows that the node is stuck at "Waiting for background processes to complete"
  • If the block sync timeout (4 hours during upgrade, 5.5 minutes during normal operation) is reached then the storage node's drives will be synced out
  • On the mNode:

2021-09-22 10:36:18: Initiating Node Upgrade of node=sf-node01 nodeID=1 with URL=
2021-09-22 10:36:38: Current Node Upgrade Status:
2021-09-22 10:37:14: Prepare 0%: Preparing for iRTFI
2021-09-22 10:38:27: PreparePivotRoot 0%: Preparing for pivot root
. . . . . . . . . . .

  • On the storage node:

[2021-09-22T13:4037Z] Updating file="/sf/etc/hardware/config_all.json"
                 44 Generating dynamic config in json_dir="/sf/etc/hardware/dynamic_config"
                      Waiting for 10 background processes to complete [01:51:35]


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