MapR 5.1 is at End of Life (EOL) and no longer supported. Please see the latest documentation. This documentation is not being updated.

5.1 Reference
This section provides information about development content including MapR-FS and MapReduce development topics and reference content.
- Development Guide
- Reference Guide
  - MapR Control System
  - Hadoop Commands
  - HBase Shell for MapR-DB
    You can manage MapR-DB tables using HBase shell commands and additional HBase shell commands included in the MapR distribution of Hadoop.
  - YARN commands
  - maprcli and REST API Syntax
  - Alarms Reference
  - Utilities
  - Default MapR Configurations
  - Configuration Files
  - MapR Environment
  - MapR Parameters
  - Best Practices
  - Language Support for MapR-DB Tables
  - Glossary
    This section contains defintions for commonly used terms in MapR Converged Data Platform environments.
  - Source Code for MapR Software
- Glossary
  This section contains defintions for commonly used terms in MapR Converged Data Platform environments.

Mirror Volumes

The Mirror Volumes pane displays information about mirror volumes in the cluster:

Mnt - whether the volume is mounted
Vol Name - the name of the volume
Src Vol - the source volume
Src Clu - the source cluster
Orig Vol -the originating volume for the data being mirrored
Orig Clu - the originating cluster for the data being mirrored
Last Mirrored - the time at which mirroring was most recently completed
- status of the last mirroring operation
% Done - progress of the mirroring operation
Error(s) - any errors that occurred during the last mirroring operation