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Chapter 3. Key Features
This chapter lists the key features of Red Hat Gluster Storage.
3.1. Elasticity
Storage volumes are abstracted from the underlying hardware and can grow, shrink, or be migrated across physical systems as necessary. Storage system servers can be added or removed as needed with data rebalanced across the trusted storage pool. Data is always online and there is no application downtime. File system configuration changes are accepted at runtime and propagated throughout the trusted storage pool, allowing changes to be made dynamically for performance tuning, or as workloads fluctuate.
