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Cisco Bug: CSCvu61017 - Upgrade fails at 34% without clear reason in GUI, when root partition has less than 2GB free space

Last Modified

Aug 19, 2020

Products (1)

  • Cisco DNA Center

Known Affected Releases


Description (partial)

Upgrading Cisco DNA Center's System package may fail at 34%.  Logs from the node-updater show a disk availability check failure, yet the following shows in the upgrade status:

$ maglev system_updater update_info

System update status:
  Version successfully installed :
  Version currently processed    :
    Update phase                 : failed
    Update details               : Updating node 172.17.x.x failed
    Progress                     : 34%
  Updater State:
    Currently processed version  :
    State                        : FAILED
    Sub-State                    : INSTALLED_HOST_COMPONENTS
    Details                      : Updating node 172.17.x.x failed
    Source                       : system-updater

In node-updater:
Jun 05 07:09:40 maglev-master-172-17-x-x ansible-command[81783]: Invoked with warn=True executable=None _uses_shell=True _raw_params=/usr/bin/etcdctl set /maglev/system_updates/cluster_state/update_phase_detail "ERROR: Node 172.17.x.x - storage validations failed" removes=None creates=None chdir=None stdin=None

This was observed when the root partition has less than 2GB available:
/dev/sda2       29G   26G  1.1G  97% /
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