ADM 203 - Cluster Maintenance

Register Now

About this Course

This course teaches you how to monitor a MapR cluster’s health. Topics covered include balancing and managing cluster resources, logs and snapshots; adding add and removing services; doing disk and node maintenance; and performing ongoing maintenance and troubleshooting to keep the cluster in top working order.

This is the fourth and final course in the MapR Cluster Administration Series. Advanced courses include ADM 210 - Upgrade a Cluster and ADM 212 - Cluster Performance Tuning.

What’s Covered

Course Lessons Lab Activities
11: Monitor and Manage the Cluster
Monitor the Cluster
Configure and Respond to Alarms
Balance Cluster Resources
Manage Logs and Snapshots
Add and Remove Services
Configure Alerts
Manage Logs and Snapshots
Add and Remove Services
12: Disk and Node Maintenance
Replace a Failed Disk
Add and Remove Disks
Perform Node Maintenance
Add Nodes
Replace a Disk
Add a Node to a Cluster
13: Troubleshooting
Troubleshooting Different Problem Types
Use Support Utilities
Collect Logs for Support

Get Certified

This course is part of the preparation for the MapR Certified Cluster Administrator (MCCA) certification exam.


  • Completion of the on-demand courses: ESS 100 - 102, and ADM 200 - 202
  • Basic Hadoop knowledge
  • Beginning to intermediate Linux skills including familiarity with command-line options such as ls, cd, cp, and su, Linux vi editor skills
  • Beginning to intermediate proficiency programming with Java in an IDE, Scala or Python and SQL