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Swarm changes a volume's state to Retiring when any of these events occurs:

  • You click Retire is clicked next to a volume on the node status page in the Swarm UI (or the legacy Admin Console).

  • You click Retire Chassis/Node is clicked, which retires all volumes on the node at the same time.

  • The number of I/O errors specified by disk.ioErrorToRetire occur in the time period specified by disk.ioErrorWindow.

A Retiring volume accepts no new or updated objects. A volume remains in the Retiring state until all objects stored on that volume (including replicas) are moved to other volumes in the cluster. The Retiring state persists even if the node is rebooted. You may see the The object count may increase.

The volume state is changed to Retired and Swarm does not use the volume anymore when all objects are moved. At that point, remove the volume for repair or discard it.

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Canceling an Ongoing Retire

You can cancel an An ongoing retire can be cancelled by using the castorCancelVolumeRetire SNMP action. It takes a string to name a specific volume, or all.

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