NDB diagnostic collection gathers relevant logs from the NDB control plane and the database server VMs participating in the failed operation. For a Linux database server, the NDB agent collects applicable operating-system information, database-engine logs, work-driver output, and operation-specific diagnostic data. These files are packaged into a downloadable compressed bundle associated with the failed operation, allowing administrators or Nutanix Support to examine the complete execution context. NDB does not copy the active database data directory, create a runtime memory dump, or use a hypervisor snapshot of the log directory. Time Machine protects database data through snapshots and transaction logs; it is not the mechanism used to assemble support bundles. The official Nutanix instructions for viewing operation logs and downloading diagnostic bundles describe the collected and compressed diagnostic information.
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