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OpsCenter 6.0 User Guide
(Not supported)
About OpsCenter
New features
DataStax OpsCenter Policy Changes
Key features
OpsCenter architecture overview
Send DataStax feedback about OpsCenter
Release Notes
OpsCenter 6.0.12 Release Notes
OpsCenter 6.0.11 Release Notes
OpsCenter 6.0.10 Release Notes
OpsCenter 6.0.9 Release Notes
OpsCenter 6.0.8 Release Notes
OpsCenter 6.0.7 Release Notes
OpsCenter 6.0.6 Release Notes
OpsCenter 6.0.5 Release Notes
OpsCenter 6.0.4 Release Notes
OpsCenter 6.0.3 Release Notes
OpsCenter 6.0.2 Release Notes
OpsCenter 6.0.1 Release Notes
OpsCenter 6.0.0 Release Notes
Installing OpsCenter
Installing OpsCenter from the RPM package
Installing OpsCenter from the Debian package
Installing OpsCenter with a tarball on any Linux distribution
Uninstalling OpsCenter
Installing DataStax Agents
Installing DataStax agents automatically
Manually installing DataStax agents
Setting permissions to run the agent as a different user
Configuring JAVA_HOME for DataStax agents
OpsCenter Reference
OpsCenter ports reference
Installation and configuration locations
Starting, stopping, and restarting OpsCenter
Starting and restarting DataStax agents
Upgrading OpsCenter
Configuring OpsCenter
OpsCenter Security
Configuring SSL/TLS between OpsCenter and the DataStax Agents
Connect to DSE with client-to-node encryption in OpsCenter and the DataStax Agents
Enabling HTTPS for the OpsCenter server
Configuring OpsCenter for Kerberos authentication
Editing OpsCenter cluster connections for authentication or encryption
Configuring role-based security
Authenticating with LDAP
Encrypting sensitive configuration values
Configuring security logging
Configuring alerts for events
SNMP alerts overview
Enabling SMTP email alerts
Enabling alerts posted to a URL
Configuring data collection and expiration
Controlling data collection
Storing collection data on a separate cluster
OpsCenter DSE definitions files updates
Updating and configuring definitions files properties
Automatic failover overview
Enabling automatic failover
Failover configuration options reference
Backing up critical configuration data
Configuring named route linking
Sending OpsCenter metrics to a Graphite server
Configuring the OpsCenter JVM
Configuring the DataStax Agent JVM
Setting and securing the tmp directory for the agent
Configuration files
OpsCenter configuration properties
Cluster configuration properties
DataStax Agent configuration options (address.yaml)
OpsCenter logback.xml configuration
Customize scripts for starting and stopping DataStax Enterprise
Example configuration scenarios
Configuring for multiple regions
Configuring for very large clusters
Using OpsCenter
OpsCenter Workspace Overview
Node monitoring and administration
Ring View
List View
Agents View
Node management operations
Managing keyspaces and tables
Keyspaces
Browsing data
Cluster administration
Adding an existing cluster
Removing a cluster from OpsCenter and Lifecycle Manager monitoring
Rebalancing a cluster overview
Restarting a cluster
Changing the display name of a cluster
Downloading diagnostic data
Generating a cluster report
Dashboard performance metrics
Performance metrics overview
Cluster performance metrics
Pending task metrics
Table performance metrics
Tiered storage performance metrics
Search performance metrics
Graph metrics
Operating system performance metrics
Alert metrics
OpsCenter Metrics Tooltips Reference
DSE Management Services
Backup Service
Backup Service Overview
Why use the Backup Service?
Configuring the Backup Service
Backing up a cluster
Restoring a cluster
Cloning cluster data
Backing up and restoring DSE Graphs in OpsCenter
Viewing backup and restore history
Deleting backup data
Troubleshooting Backup Service errors
Repair Service
How the Repair Service works
Incremental repairs
Starting and stopping the Repair Service
Checking repair progress
Advanced Repair Service configuration
Troubleshooting Repair Service errors
Capacity Service
Forecasting trends for metric graphs
Advanced forecast configuration
Best Practice Service
Configuring Best Practice service rules
Monitoring the results of Best Practice service scans
Best Practice Rules Reference
Performance Service
Performance Service Overview
Why use the OpsCenter Performance Service?
Enabling the OpsCenter Performance Service
Disabling the OpsCenter Performance Service
Setting permissions for the OpsCenter Performance Service
Tuning a database cluster with the Performance Service
Troubleshooting
High CPU usage by opscenterd
Troubleshooting SSL
Troubleshooting SSL connections to Cassandra
Troubleshooting SSL validation for self-signed certificates
Data must be a byte string pyopenssl error
Browser issues
Zero nodes or OpsCenter UI not loading
Internet Explorer web browser not supported
Troubleshooting SSTables
Problems running sstableloader
The SSTables in this snapshot '<tag>' are not compatible
Troubleshooting collecting or displaying metrics
Limiting the metrics collected by OpsCenter
OpsCenter data growing too large
Cannot create a keyspace
DataStax agent port setting conflict
Java not installed or JAVA_HOME environment variable not set
Insufficient user resource limits errors
Installing EPEL on CentOS 5.x or RHEL 5.x
Error getting version update information
OpsCenter cannot start up
Lifecycle Manager
Lifecycle Manager Overview
Accessing OpsCenter Lifecycle Manager
Getting started workflow
Lifecycle Manager: Clusters
Cluster Topology Overview
Importing an unmanaged cluster
Run an Install and Configure Jobs Overview
Downloading the generated CA cert
Lifecycle Manager: Jobs
Monitoring Job Status Overview
Viewing job details
Configuring SSH connection and idle timeout thresholds for LCM jobs
Lifecycle Manager: Repositories
Repositories Overview
Adding a repository
Editing a repository
Deleting a repository
Lifecycle Manager: SSH Credentials
SSH Credentials Overview
Adding SSH credentials
Editing SSH credentials
Deleting SSH credentials
Lifecycle Manager: Configuration Profiles
Configuration Profiles Overview
Configuration Known Issues and Limitations
Managing DSE Security using LCM
Adding a configuration profile
Editing a configuration profile
Deleting a configuration profile
OpsCenter API reference for developers
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Troubleshooting
Troubleshooting SSL
Troubleshooting SSL
Troubleshooting tips for typical SSL issues.
Troubleshooting SSL connections to Cassandra
Troubleshooting tips for typical SSL issues with connections from OpsCenter to Cassandra.
Troubleshooting SSL validation for self-signed certificates
Set ssl_validate to False if you use a self-signed certificate and experience difficulty connecting to a DataStax Enterprise cluster.
Data must be a byte string pyopenssl error
Update your version of openpyssl to version 0.15+ to resolve the data must be a byte string error.
Troubleshooting
High CPU usage by opscenterd
Troubleshooting SSL
Troubleshooting SSL connections to Cassandra
Troubleshooting SSL validation for self-signed certificates
Data must be a byte string pyopenssl error
Browser issues
Troubleshooting SSTables
Troubleshooting collecting or displaying metrics
OpsCenter data growing too large
Cannot create a keyspace
DataStax agent port setting conflict
Java not installed or JAVA_HOME environment variable not set
Insufficient user resource limits errors
Installing EPEL on CentOS 5.x or RHEL 5.x
Error getting version update information
OpsCenter cannot start up