StorNext File System Tuning Guide i
ContentsChapter 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