gs_upgradectl

Background

gs_uninstall, provided by , can be used to uninstall a cluster.

Syntax

• Uninstall a cluster.

  gs_uninstall [--delete-data] [-L] [-l LOGFILE]

• Display help information.

  gs_uninstall -? | --help

• Display the version number.

  gs_uninstall -V | --version

Parameter Description

• -delete-data

  Deletes the data file.

• -L

Uninstalls the local host only. If a host in the cluster is uninstalled, the cluster cannot undergo full uninstallation.

NOTE:

After executing gs_postuninstall, the system will automatically delete the directories related to MogDB (including $GAUSSLOG). You are advised to set the log file path to a path outside the MogDB database.

• -l

Specifies a log file name and its path. A timestamp will be added automatically to the log file name.

When -l is not specified and gaussdbLogPath is not set in the XML file, the default value of the -l parameter is /var/log/gaussdb/om/gs_local-YYYY-MMDD_hhmmss.log.

NOTE: After executing gs_uninstall, the system will automatically delete the directories related to MogDB (including $GAUSSLOG). You are advised to set the log file path to a path outside the MogDB database.

• -?, -help

  Displays help information.

• -V, -version

  Displays version information.

Example

Use the gs_uninstall script to uninstall a cluster.

gs_uninstall --delete-data
Checking uninstallation.
Successfully checked uninstallation.
Stopping the cluster.
Successfully stopped the cluster.
Successfully deleted instances.
Uninstalling application.
Successfully uninstalled application.
Uninstallation succeeded.

Related Commands

gs_install and gs_postuninstall