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.

Volume Alarms

The Volume Alarms view displays information about volume alarms in the cluster:

Mnt - whether the volume is mounted
Vol Name - the name of the volume
Snapshot Alarm - last Snapshot Failed alarm
Mirror Alarm - last Mirror Failed alarm
Replication Alarm - last Data Under-Replicated alarm
Data Alarm - last Data Unavailable alarm
Vol Advisory Quota Alarm - last Volume Advisory Quota Exceeded alarm
Vol Quota Alarm- last Volume Quota Exceeded alarm

Clicking any column name sorts data in ascending or descending order by that column. Clicking a volume name displays the Volume Properties dialog

Selecting the Show Unmounted checkbox shows unmounted volumes as well as mounted volumes.

Selecting the Filter checkbox displays the Filter toolbar, which provides additional data filtering options.Buttons:

New Volume displays the New Volume Dialog.
Properties - if the checkboxes beside one or more volumes is selected, displays the Volume Properties dialog
Mount (Unmount) - if an unmounted volume is selected, mounts it; if a mounted volume is selected, unmounts it
Remove - if the checkboxes beside one or more volumes is selected, displays the Remove Volume dialog
Start Mirroring - if a mirror volume is selected, starts the mirror sync process
Snapshots - if the checkboxes beside one or more volumes is selected, displays the Snapshots for Volume dialog
New Snapshot - if the checkboxes beside one or more volumes is selected,displays the Snapshot Name dialog