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FusionInsight HD 6.5.0 Administrator Guide 02

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Managing the Rights of User omm

Managing the Rights of User omm


When installing the cluster as node OS user omm, modify the rights of user omm on all involved nodes in node capacity expansion, and node capacity reduction scenarios.


  • You have obtained user root and password of each node in the cluster. In a node capacity expansion scenario, you need to obtain user root and password of a new node. User root on each node has the remote login rights.
  • The required software package is decompressed and saved on the active management node according to Configuring the Software Package in the Software Installation.

Grant operation rights to user omm

  1. Use PuTTY to log in to the active management node as user root.
  2. Copy the /opt/FusionInsight_SetupTool/preset folder in the active management node to the /opt directory on all nodes, and run the sh /opt/preset/ command on all nodes.

    You can use the script tool in the software package to run a command or access a file on multiple nodes in a cluster. For details, see How Do I Run Commands or Access Files on Multiple Nodes in a Cluster?.

  3. Run the following command as user root on active and standby management nodes to set the owner of the software package directory. /opt/FusionInsight_Manager/ indicates the directory generated after the software package is decompressed.

    chown omm: /opt/FusionInsight_Manager/ -R

Delete rights of user omm

  1. Use PuTTY to log in to the active management node as user root.
  2. Run the sh /opt/preset/ command on all nodes.
Updated: 2019-05-17

Document ID: EDOC1100074522

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