HP 273914-B21 HP Smart Array Controller technology, 3rd edition - Page 28
Performance monitoring, Fault prediction, Array Diagnostics Utility, Summary
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Performance monitoring HP SIM gives administrators a window to look at low-level performance characteristics of Smart Array controllers in the environment. It monitors three basic Smart Array controller performance parameters for proactive storage subsystem management: • I/O commands per second • Average command latency • Local processor utilization Analyzing these key parameters can assist administrators in fine tuning configurations for performance. HP SIM can graphically chart performance over time for each of these parameters. Fault prediction A background task monitors several key drive parameters and notifies HP SIM if a drive fails to meet certain factory-preset criteria. HP SIM alerts the administrator to the potential problem. Array Diagnostics Utility The HP Array Diagnostics Utility (ADU) is an in-depth diagnostic and reporting utility for all Smart Array controllers. The ADU quickly identifies problems such as incorrect versions of firmware, improperly installed drives, inappropriate error rates, and failed batteries on the array accelerator board. The ADU displays a detailed analysis of the system configuration. If the cause is not apparent, the ADU can generate a full report for administrators to fax or e-mail to HP customer service for phone support. Summary HP Smart Array controllers are powerful I/O solutions for today's most demanding network data storage requirements. Smart Array controller technology combines an advanced feature set and fullspectrum, hardware-based fault management with exceptional performance characteristics. Smart Array controllers provide solutions for all four primary data storage requirements: capacity growth, high performance, data availability, and manageability. Smart Array controllers represent patented HP technology and continue the HP commitment to providing the most complete and advanced storage solutions for server customers. HP is the only server provider with a seamless storage solution set that spans the range from embedded Smart Array controllers in servers to plug-in PCI Smart Array controllers to SAN-attached MSA storage. The tools used for managing and configuring storage are the same in all of those environments. Data sets are compatible across all of those environments. The HP universal drive strategy allows customers to easily migrate data from DAS to SAN. 28