Quantum 3.1.4.1 manual Contents

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Contents

The Underlying Storage System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

File Size Mix and Application I/O Characteristics . . . . . . . . . . . . . . . . . . 5

SNFS and Virus Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

The Metadata Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

The Metadata Controller System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

The Distributed LAN (Disk Proxy) Networks . . . . . . . . . . . . . . . . . . . . . 20

Distributed LAN Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Distributed LAN Client Vs. Legacy Network Attached Storage . . . . . . . 23

Windows Memory Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Sample FSM Configuration File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

StorNext File System Tuning Guide

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Contents StorNext Copyright Statement Contents Contents Underlying Storage System StorNext File System TuningRAID Cache Configuration RAID Write-BackCaching RAID Read-Ahead RAID Level, Segment Size, and Stripe Size File Size Mix and Application I/O Characteristics NFS / Cifs Buffer CacheMetadata Network Snfs and Virus CheckingMetadata Controller System Stripe Groups FSM Configuration File SettingsAffinities StripeBreadth BufferCacheSize InodeCacheSizeThreadPoolSize FsBlockSize ForcestripeAlignmentFsBlockSize JournalSize JournalSizeSnfs Tools StorNext File System Tuning Metadata Controller System StorNext File System Tuning Metadata Controller System Latency-testindex-number seconds Mount Command Options Distributed LAN Disk Proxy Networks Snfs External APIHardware StorNext File System Tuning Guide Switch Network Configuration and TopologyDistributed LAN Client Vs. Legacy Network Attached Storage Distributed LAN ServersFault tolerance PerformanceLoad Balancing Client Scalability Robustness and Stability Consistent Security Model Windows Memory RequirementsStorNext File System Tuning Windows Memory Requirements Sample FSM Configuration File StorNext File System Tuning Sample FSM Configuration File StorNext File System Tuning Sample FSM Configuration File StorNext File System Tuning Sample FSM Configuration File StorNext File System Tuning Sample FSM Configuration File StorNext File System Tuning Sample FSM Configuration File