Clusters and storage
Get an overview of storage and cluster technologies.
Create high-availability clusters.
Review and create the architecture of Pacemaker-based high-availability clusters.
Nodes and quorum
Review cluster node membership and how quorum is used to control clusters.
Understand fencing and fencing configuration.
Create and configure simple resource groups to provide high-availability services to clients.
Troubleshoot high-availability clusters
Identify and troubleshoot cluster problems.
Complex resource groups
Control complex resource groups by using constraints.
Identify and work around two-node clusters issues.
Manage iSCSI initiators for access to shared storage.
Configure redundant storage access.
Logical volume manager (LVM) clusters
Manage clustered LVM.
Global File System 2
Create symmetric shared file systems.
Eliminate single points of failure
Eliminate single points of failure to increase service availability.
Set up high-availability services and storage.