Quantum 6-01376-07 manual Contents

Page 3

Contents

Chapter 1

StorNext File System Tuning

1

 

The Underlying Storage System

1

 

RAID Cache Configuration

2

 

RAID Write-Back Caching

2

 

RAID Read-Ahead Caching

3

 

RAID Level, Segment Size, and Stripe Size

4

 

File Size Mix and Application I/O Characteristics

5

 

Direct Memory Access (DMA) I/O Transfer

5

 

The Metadata Network

7

 

The Metadata Controller System

7

 

FSM Configuration File Settings

8

 

Mount Command Options

17

 

The Distributed LAN (Disk Proxy) Networks

18

 

Network Configuration and Topology

19

 

Distributed LAN Servers

21

 

Distributed LAN Client Vs. Legacy Network Attached Storage

21

 

Windows Memory Requirements

23

 

Sample FSM Configuration File

25

StorNext File System Tuning Guide

i

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ExtNrotS Copyright Statement Contents Underlying Storage System StorNext File System TuningRAID Cache Configuration RAIDWrite-BackCaching RAID Read-Ahead Caching RAID Level, Segment Size, and Stripe Size File Size Mix and Application I/O Characteristics Direct Memory Access DMA I/O TransferBuffer Cache NFS / Cifs Metadata Controller System Metadata NetworkStripe Groups FSM Configuration File SettingsAffinities ExampleBufferCacheSize StripeBreadthFsBlockSize InodeCacheSizeThreadPoolSize ForcestripeAlignmentSnfs Tools JournalSizeStorNext File System Tuning Metadata Controller System StorNext File System Tuning Metadata Controller System StorNext File System Tuning Metadata Controller System Latency-testindex-number seconds Mount Command Options Hardware Configuration Distributed LAN Disk Proxy NetworksSnfs External API Network Configuration and Topology Multi-NIC Hardware and IP Configuration Diagram Distributed LAN Client Vs. Legacy Network Attached Storage Distributed LAN ServersLargest Tested Configuration Number of Clients Tested viaSimulation Consistent Windows Memory RequirementsStorNext File System Tuning Windows Memory Requirements Sample FSM Configuration File MAXStripeBreadth StorNext File System Tuning Sample FSM Configuration File StorNext File System Tuning Sample FSM Configuration File StorNext File System Tuning Sample FSM Configuration File