HPE SmartCache is a feature available on HPE servers that accelerates storage performance by caching frequently accessed data on faster, lower-latency media such as SSDs. For customers who cannot afford to move to SANs at each branch but require high-performance storage, SmartCache provides a cost-effective solution. By leveraging SSDs as a caching layer for frequently accessed data, it can significantly improve the performance of local servers without requiring a full SAN deployment.
HPE Storage Reference:
HPE SmartCache Overview
HPE Server Technologies

In StoreOnce Gen4 systems, certain features are included with the system software without requiring additional licenses:
* Catalyst: HPE StoreOnce Catalyst is included and provides advanced data reduction and deduplication capabilities, as well as integration with backup software.
* VTL/NAS replication: This feature allows replication of Virtual Tape Libraries (VTL) and NAS shares between StoreOnce systems, ensuring data protection and disaster recovery, and it comes standard with the system software.
These features enhance the StoreOnce system's functionality, providing value without additional costs.
References:
* HPE StoreOnce Features
* StoreOnce Gen4 Technical Specifications

When using HPE InfoSight with VMVision to analyze end-to-end latency in a VMware vSphere environment connected to HPE storage solutions, the following components are displayed:
* iSCSI network (SAN): InfoSight with VMVision provides insights into the performance of the storage area network (SAN) layer, specifically the iSCSI connections that are used for data transfer between the storage array and the compute infrastructure.
* Storage: The storage component of the stack, which includes the HPE Nimble HF-series array, is monitored for performance metrics such as latency, throughput, and IOPS. InfoSight analyzes these metrics to identify potential bottlenecks and optimize storage performance.
* Host: The host component refers to the VMware vSphere hosts running on the HPE Synergy frames.
InfoSight provides detailed visibility into the performance of these hosts, including CPU, memory, and I
/O operations, helping administrators to identify and resolve performance issues at the host level.
These components are critical for comprehensive performance management and troubleshooting, ensuring optimal operation of the entire solution stack.
References:
* HPE InfoSight Overview
* HPE Nimble Storage with InfoSight