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# Part IV

# Maintenance

Part IV describes procedures and utilities that you use to maintain Oracle Big Data Appliance. It contains the following chapters:

- Chapter 11, "Maintaining Oracle Big Data Appliance"

- Chapter 12, "Replacing a Server Disk"

- Chapter 13, "Oracle Big Data Appliance Utilities"

- Chapter 14, "Executing Commands Across a Cluster Using the dcli Utility"

- Chapter 15, "Using Oracle Integrated Lights Out Manager"