Restarting the Services
Describes how to restart a service using either the Control System, the CLI or the REST API.
About this task
When a HPE Ezmeral Data Fabric system is rebooted, the following
services are automatically restarted:
- mapr-warden
- mapr-zookeeper
- mapr-loopbacknfs
- mapr-posix-client-*
service
or
sysctl
commands).NOTE
This feature is implemented with systemd
and is only supported on
the following operating systems:- RHEL 7.0, 7.1
- CentOS 7.0, 7.1
- SLES 12
You can restart one or more services using the Control System and the CLI if the services are not disabled. However, if a service is disabled, the service cannot be restarted. To restart a service, make sure the service is enabled. See Enabling and Disabling a Service Using the CLI and REST API for more information.
Restarting the Services Running on the Nodes Using the Control System
About this task
To restart the services running on the nodes:
Procedure
-
Log in to the Control System and click Nodes to
display the Nodes page.
NOTEThe Nodes page is not available on the Kubernetes version of the Control System.
- Select the nodes from the list of nodes in the Nodes pane and click Manage Services to display the Manage Services window.
- Choose the Restart radio button for the services you wish to restart on the selected nodes and click Save.
Restarting one or more Services on a Node Using the Control System
Procedure
- Go to the Summary tab in the node information page.
- Select the services to restart in the Services pane.
-
Click Restart Service(s).
The Restart Service(s) confirmation dialog displays.
- Verify the list of services to restart and click Restart Service.
Restarting the Services on the Cluster Using the Control System
Procedure
- Log in to the Control System and navigate to Services.
-
On the non-Kubernetes version, click associated with
the service to restart.
The Restart Service confirmation dialog displays.
- Verify the list of nodes on which to restart the service and click Restart Service.
Restarting a Service Using the CLI or REST API
About this task
The basic command to restart a service on a node is:
maprcli node services -nodes <node name> -name <service> -action restart
For complete reference information, see
node services
.