Cluster Startup
Learn how to start up a CubeCOS single-node or multi-node cluster, including bootstrapping behaviour and monitoring guidance.
Cluster Shutdown (Poweroff)
Safely shut down a CubeCOS cluster with a step-by-step power-off procedure, including pre-shutdown checks to prevent data loss and service disruption.
Repair Services
Learn how to identify and troubleshoot CubeCOS service errors using the web UI or CLI tools.
Reset Instance
Use the CLI to reset instances (virtual machines) that become unresponsive due to unexpected errors.
Repurpose a CubeCOS node
Some would like to retire some compute nodes with outdated specs and transform them into storage nodes. There are two recommended procedures for such use case.
Remove Compute Node
Removing a compute node is typically due to failure, maintenance, or decommissioning.
Create a CubeCOS Snapshot
Learn how to create a CubeCOS snapshot to back up configurations or capture the current state of the platform for recovery, troubleshooting, or audit purposes.
Restore CubeCOS from a snapshot
Learn how to restore CubeCOS from a snapshot to recover a failed node.
Restore Control Node from snapshot
USB storage devices are blocked by default. If accessing USB devices is needed, please set the tuning option cubesys.probeusb to true using CLI > tuning > configure after logging in as admin.
Firmware Swapping & Backup
CubeCOS provides two identical firmwares on two partitions to facilitate firmware swapping, backup, upgrade, and migration.
CLI Tree
Reference for the CLI tree for interacting with CubecOS cluster.