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Taints and tolerations are used to coordinate maintenance modes. A user can take a single node down for maintenance to repair a faulty hardware component.
ObjectScale on OpenShift supports two types of maintenance modes:
If the node is in successful TMM for more than 1 hour and it is running an SS replica, recovery will begin for the data on that node.
PMM is a Dell Support engineer operation procedure. Customers must contact the Dell Technologies Support team for any node removal case.
The ObjectScale software bundle and the ObjectScale appliance support:
The ObjectScale application supports:
For performing node maintenance activities, such as adding or removing a node from the cluster, requires making additional API calls after the node is entered into an ObjectScale maintenance mode.
For more information about how to add, remove, and replace a node in a maintenance mode, see the Dell ObjectScale 1.4.x Administration Guide on Dell Support (Dell support login required)..