IBM DS8900F Performance Best Practices and Monitoring
Peter Kimmel, Sherri Brunson, Lisa Martinez, Luiz Fernando Moreira, Ewerson Palacio, Rick Pekosh, Ali Rizvi, Paul Smith, IBM Redbooks
IBM Redbooks, Dec 17, 2021 - Computers - 272 pages
This IBM® Redbooks® publication is intended for individuals who want to maximize the performance of their DS8900 storage systems and investigate the planning and monitoring tools that are available.
Adaptive Replacement Cache address group application assigned caching algorithms capacity components Copy Services created database destage device disk DS8000 storage system DS8900F models DSCLI Easy Tier automatic environment example extent pools Fibre Channel FICON flash drives flash modules Flash Tier FlashCopy Gbps Global Mirror hardware High-Capacity flash High-Performance Flash hit ratio host adapters host connections host system HPFE I/O enclosures I/O operations I/O ports I/O requests IBM i system IBM Spectrum Control IBM Storage Insights isolation latency logical configuration logical volume LPAR LSSs metrics Metro Mirror monitoring multipathing multiple operating system optimize paths performance data POWER9 prefetching processor complex provides RAID arrays rank group response rotate extents sequential skew storage pool striping storage server storage tiers subsystem switch synchronous I/O system memory throughput Tier automatic mode utilization z/OS zHPF zHyperLink