Home > Storage > PowerStore > Virtualization and Cloud > Dell PowerStore: Microsoft Hyper-V Best Practices > Terminology
See Table 1 for a list of common terms used with PowerStore.
Term | Definition | |
Appliance | A PowerStore base enclosure, or a base enclosure and attached expansion enclosures. | |
Base enclosure | A 2U rackmount chassis with two active/active processing nodes (node A and node B) in the back, and 25 NVMe drive slots in the front. | |
Cluster | A PowerStore appliance is a cluster. A cluster supports one to four appliances. | |
Expansion enclosure | A 2U rackmount chassis that is cabled to a base enclosure to provide an additional 25 drive slots for storage expansion. All PowerStore models support expansion except the PowerStore 500. | |
Metro Volume | A PowerStore volume configured for synchronous replication between two PowerStore clusters. Metro Volume guarantees transactional consistency between PowerStore clusters for disaster avoidance and load-balancing options within metro distance. | |
Node | The component within a base enclosure that contains processors and memory. Each appliance consists of two hot-swappable nodes. Each node has an embedded module that provides management access, front-end connectivity, and ports for storage expansion. | |
PowerStoreOS | The PowerStore operating system. | |
PowerStore Manager | An HTML5-based UI client for PowerStore configuration, management, and monitoring. | |
To learn more about Metro Volume support for Windows Server and Hyper-V with PowerStoreOS 4.0, see the white paper Dell PowerStore: Metro Volume on the Dell PowerStore Info Hub.