NCP-DB practice question 9 of 35
A Log Catchup gap has occurred, impacting the ability to perform point-in-time restore (PITR) operations to create a clone or perform a database restore. Which two statements below are true for the NDB Time Machine Heal Snapshot feature? (Choose two.)
Full set: 251 questionsThe Nutanix Database Service (NDB) Time Machine's auto-heal feature is enabled by default to maintain the integrity of the log catch-up process, which is essential for point-in-time recovery (PITR). When NDB detects a gap in the transaction logs, it automatically triggers a heal operation by taking a new snapshot. Once this process completes successfully, the gap is spanned, and the Time Machine can again be used for PITR operations across the previously problematic time range. This ensures the continuous availability of recovery points.
B. Manual Heal can be proactively initiated by an administrator at any time to fix a log gap; it is not restricted to being used only after an operation fails.
D. The auto-heal feature runs as a continuous background process. The documentation does not specify a fixed 5-minute interval for the check.
1. Nutanix University, Nutanix Database Services Administration (NDBA) v2.5, Module 4: Protecting Databases, Lesson: Time Machine Heal Operation. "By default, the time machine auto-heal feature is enabled."
2. Nutanix Database Service (NDB) User Guide v2.5, Data Protection with Time Machine, Section: Time Machine Heal Operation. "NDB automatically detects any gaps in the log catch-up and performs a heal operation to fix the gaps... Once the heal operation is complete, you can perform the PITR operation to span across the log gap."
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