Features

Detection and recovery of node and service-level failures
Storage agnostic, no requirement for shared storage
Resource agnostic, anything that can be scripted can be clustered
Support for both large and small clusters
Support for practically any redundancy configuration including:
- Active/Active, Active/Passive
- N+1, N+M, N-to-1 and N-to-N
Optionally ensure data integrity with STONITH
Ability to specify cluster-wide service ordering, colocation and anti-colocation
Advanced resource types
- Support for services which need to be active on multiple nodes
- Support for services with multiple modes (eg. master/slave, primary/secondary)
Unified, scriptable, cluster shell