About Release 7.9.0
This site contains documentation for HPE Ezmeral Data Fabric release 7.9.0, including installation, configuration, administration, and reference content, as well as content for the associated ecosystem components and drivers.
7.9.0 Installation
This section contains information about installing and upgrading HPE Ezmeral Data Fabric software. It also contains information about how to migrate data and applications from an Apache Hadoop cluster to a HPE Ezmeral Data Fabric cluster.
- Planning the Cluster
  Describes information and factors used in planning your cluster.
- Installing Core and Ecosystem Components
  Describes how to install HPE Ezmeral Data Fabric software and ecosystem components with or without the Installer.
- Installing the HPE Ezmeral Data Fabric File Store
  Describes how to install File Store software with or without the Installer.
- Installing HPE Ezmeral Data Fabric Object Store
  Describes installation of the HPE Ezmeral Data Fabric Object Store software with or without the Installer.
- Installing Kubernetes Interfaces for Data Fabric
  This section describes how to plan for and install the Container Storage Interface (CSI) Storage Plugin and the Kubernetes Interfaces for Data Fabric FlexVolume Driver.
- Upgrading Core or EEP Components
  Depending on your current configuration, you may choose to upgrade the release version (core), ecosystem components, clients, or monitoring components.
- Setting Up Clients and Services
  Describes how to set up and use interfaces to an HPE Ezmeral Data Fabric cluster from a client computer.
  - Direct Access NFS™
    Describes how to configure Direct Access NFS to mount the file system to a local directory.
  - HPE Ezmeral Data Fabric Client
    Describes how to install the HPE Ezmeral Data Fabric client to run Hadoop commands, jobs, and applications from a client machine.
  - POSIX Clients
    Describes how to install the POSIX loopback NFS, and the FUSE-based POSIX clients.
  - PACC
    This container gives you seamless access to HPE Ezmeral Data Fabric cluster services.
  - Running Hadoop Commands on a Mac and Windows Client
    The location from which you run Hadoop commands depends on your machine.
  - Installing the MAST Gateway
    Describes how to install the Automated Storage Tiering (MAST) Gateway service.
    - Pre-Installation Considerations
      Lists the recommendations that you must follow before installing MAST Gateways.
    - Supported Clients
  - Enabling Soft Mount and Setting the Timeout
    Describes how to enable soft mount, and set the RPC timeout for HPE Ezmeral Data Fabric components.
  - Troubleshooting
    Describes changes to core-site.xml file to troubleshoot issues.
- Setting Up the Control System
  Describes how to configure and access the Control System.
- Migrating to the HPE Ezmeral Data Fabric
  Provides instructions for migrating business-critical data and applications from an Apache Hadoop cluster to an HPE Ezmeral Data Fabric cluster.
- Applying a Patch
  You can apply a patch by using the Installer, by using the command line (a manual process), or by using an Installer Stanza.
7.9.0 Data Fabric
HPE Ezmeral Data Fabric is the industry-leading data platform for AI and analytics that solves enterprise business needs.
7.9.0 Administration
This section describes how to manage the nodes and services that make up a cluster.
7.9.0 Development
This section contains information related to application development for Ezmeral ecosystem components and HPE Ezmeral Data Fabric products, including the file system, Database (Key-Value and JSON), and Event Streams.
Other Docs
This section contains release-independent information, including: Installer documentation, Ecosystem release notes, interoperability matrices, security vulnerabilities, and links to other data-fabric version documentation.
Glossary
Definitions for commonly used terms in MapR Converged Data Platform environments.

Installing the MAST Gateway

Describes how to install the Automated Storage Tiering (MAST) Gateway service.

About this task

The MAST Gateway acts as the centralized entry point for all the operations that need to be performed on the tiered storage. The MAST Gateway can be installed (with or without file system) on specific hosts on the cluster with access to the 3rd party cloud storage (for cold tier operations) or on the edge node. Before you install the MAST Gateway, review the Pre-Installation Considerations.

What to do next

After installing the MAST Gateway, see Configuring the MAST Gateway Service.

Installing the MAST Gateway Using the Installer

About this task

When you install release 6.1 or later by using the Installer, select the HPE Ezmeral Data Fabric File Store auto-provisioning template to install the MAST Gateway automatically on all the nodes.

Installing the MAST Gateway from the Command-line

Procedure

Run the following command on the node where you want to install the MAST Gateway:

RHEL / Rocky	`yum install mapr-mastgateway`
Ubuntu	`apt-get install mapr-mastgateway`
SLES	`zypper install mapr-mastgateway`

Installing Additional MAST Gateways from the Command-line

About this task

If you install a new MAST Gateway on a cluster already performing tiering operations (using other installed MAST Gateways), perform the following steps to force the CLDB to rebalance utilization of all the MAST Gateways, including the newly added MAST Gateway:

Procedure

Install the mapr-mastgateway package on the node.
Run configure.sh with the -R option to register the MAST Gateway with the CLDB.
For example:
```
/opt/mapr/server/configure.sh -R
```
After this command runs, newly created volumes are assigned to this MAST Gateway.
Run the following command to force the CLDB to reassign existing volumes to the least utilized MAST Gateways:
```
/opt/mapr/server/mrconfig mastgateway refreshvolassignment <volume-name>
```
You must run this command once for each volume to reassign. HPE recommends running this command for all volumes if MAST Gateway is either newly added to the cluster or permanently removed from the cluster. When this command runs, CLDB reassigns the volume tiering operation to the least utilized MAST Gateway, which might be the newly added MAST Gateway, to force rebalancing.

For more information, see mastgateway refreshvolassignment.

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HPE Ezmeral Data Fabric – Customer-Managed 7.9.0 Documentation
Abstract	This site contains documentation for the customer-managed platform of the HPE Ezmeral Data Fabric version 7.9.0 including installation, configuration, administration, and reference content, as well as content for the associated bundled ecosystem components and drivers.
Published	November 2024
Edition	7.9.0