ZStone Hyperconverged Management Node Reinstallation and Recovery

Scenario

• Product: ZCF
• Components: ZStack Cloud, ZStone
• ZStack Cloud version: 4.8.x
• ZStone version: 5.2.x
• Operating system: h84r
• Deployment: Three-node hyperconverged cluster with dual management nodes
• Trigger: A management node has a RAID controller failure and must be reinstalled and restored as a management and storage node.

Symptoms

• One management node in a hyperconverged cluster has a RAID controller failure.
• The node provides management services and is associated with mon, OSD, and cache resources.
• The legacy node must be removed before it is reinstalled and managed again.

Assessment

1. Confirm that the failed node requires system reinstallation.