Quantum 3.5.2 Portable Media Storage User Manual


 
StorNext File System Tuning Guide i
Contents
Chapter 0 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
SNFS and Virus Checking ................................................................................ 7
The Metadata Network..................................................................................... 7
The Metadata Controller System..................................................................... 8
FSM Configuration File Settings .............................................................. 9
Mount Command Options...................................................................... 19
The Distributed LAN (Disk Proxy) Networks............................................. 20
Network Configuration and Topology ................................................. 22
Distributed LAN Servers................................................................................ 23
Distributed LAN Client Vs. Legacy Network Attached Storage.............. 24
Windows Memory Requirements ................................................................. 26
Sample FSM Configuration File..................................................................... 28