Quantum 3.1.4.1 manual

6-01376-15 Rev A

StorNext

3.1.4.1

StorNext

File System Tuning Guide File System Tuning Guide

Contents

Main Page Contents Page StorNext File System Tuning The Underlying Storage System RAID Cache Configuration RAID Write-Back Caching RAID Read-Ahead Caching RAID Level, Segment Size, and Stripe Size cannot be changed after put into production File Size Mix and Application I/O Characteristics Direct Memory Access (DMA) I/O Transfer Buffer Cache NFS / CIFS SNFS and Virus Checking The Metadata Network The Metadata Controller System FSM Configuration File Settings Stripe Groups Affinities StripeBreadth This setting cannot be changed after being put into production BufferCacheSize InodeCacheSize ThreadPoolSize ForcestripeAlignment FsBlockSize minimum in addition JournalSize SNFS Tools Page Page index-number Mount Command Options SNFS External API The Distributed LAN (Disk Proxy) Networks Hardware Configuration Page StorNext File System Tuning The Distributed LAN (Disk Proxy) Networks 22 StorNext File System Tuning Guide Network Configuration and Topology Figure 1 Multi-NIC Hardware and IP Configuration Diagram Distributed LAN Servers Distributed LAN Client Vs. Legacy Network Attached Storage Performance Fault tolerance Load Balancing Client Scalability Robustness and Stability Windows Memory Requirements Page Sample FSM Configuration File