1.4. Installing Red Hat High Availability Add-On software
yum installcommand to install the Red Hat High Availability Add-On software packages:
yum install rgmanager lvm2-cluster gfs2-utils
rgmanagerwill pull in all necessary dependencies to create an HA cluster from the HighAvailability channel. The
gfs2-utilspackages are part of ResilientStorage channel and may not be needed by your site.
1.4.1. Upgrading Red Hat High Availability Add-On Software
- Shut down all cluster services on a single cluster node. For instructions on stopping cluster software on a node, refer to 節 9.1.2, “Stopping Cluster Software”. It may be desirable to manually relocate cluster-managed services and virtual machines off of the host prior to stopping
- Execute the
yum updatecommand to update installed packages.
- Reboot the cluster node or restart the cluster services manually. For instructions on starting cluster software on a node, refer to 節 9.1.1, “Starting Cluster Software”.