StorNext
 Copyright Statement
 Contents
 Displaying the Configuration Wizard
StorNext GUI Accessing the StorNext GUI
 112
106
110
111
 125
Viewing a Fibre Channel Device 124
 Figures
 Figures
 104
101
102
103
 Tables
 146
105
 Preface
 Purpose
Audience
 Document Organization
 Convention Example
Notational Conventions
 Related Documents
 North America
Online Service Support World Wide Web
Contacting Quantum
Document No Document Title Document Description
 1Installing StorNext File System and Storage Manager
 Storage Manager System Requirements
Operating System Requirements
Hardware Requirements Operating System Kernel Platform
 File Systems
Disk Space
Partitioning Local Hard Disks
 LAN Requirements
 Than 1 TB
Getting Ready to Install
Configuring Storage Devices
Planning for LUNs Larger
 Operating Label for System LUNs 1 TB LUNs 1-2 TB LUNs 2 TB
 Vtoc
 Pre-Installation Script
Before You Begin
Support Directory Description
 Pre-installation script runs figure
Running snPreInstall
 Interpreting snPreInstall Output
 Type Description
 Remove the existing rpms
StorNext Installation Script
 For Red Hat users only, before proceeding you must
Installation script runs figure
 Menu Option Description
Changing Installation Configuration Options
 Changing Application Directory Locations
Configuration Menu
 Changing the Default Media Type
 Performing an Installation Operation
 2Installing StorNext File System
 Windows Server
File System Requirements
 Etc/hosts file
 Planning for LUNs Larger than 1 TB
 SVTOC
MacOS X Panthera Apple Xsan
 Installing StorNext File System on Linux or Unix
Installing the Linux Kernel Source Code
Launching the Snfs Installation Script
 Ls -l
 Change installation options for the location
Exit the Snfs installation script
Application directories see Changing
 Performing an Installation Operation
 Disabling Automatic IP Address Configuration
Installing StorNext File System on Windows
 Removing a Previous Version of StorNext
StorNext Installation window appears figure
 Running the Setup Wizard
 StorNext Installation Window Install StorNext
 Snfs Setup End User License Agreement
 Snfs Setup Choose Setup Type
Click an installation option
 Snfs Setup Finish
Restoring a Previous Client Configuration
 StorNext Installation Window Configure StorNext
 Import/Export Client Configuration Window
Click an option for handling current configuration settings
 3Installing the StorNext Client
 Operating System Release or Kernel Platform
Client System Requirements
 StorNext File System Client Buffer Cache
Hardware Requirements
 Platform Type =2GB Memory
Downloading the StorNext Client Software
 Select Platform window appears figure
For a MDC running Snfs only On the home page, click
 Download Client Software Window
 Installing the StorNext Client on Linux
Installing the StorNext Client on Linux or Unix
 Mkdir -pmount point chmod 777 mount point
 Installing the StorNext Client on Sun Solaris
 File system mount point cvfs 0 auto rw
 Installing the StorNext Client on HP-UX
 Installing the StorNext Client on IBM AIX
 Mkdir -pmount point chmod 777 mount point
 Installing the StorNext Client on Windows
 StorNext Installation Window Remove StorNext
 Click Next to continue
 License Agreement window appears figure
 Snfs Setup Choose Setup Type
 Restoring a Previous Client Configuration
 StorNext Installation Window Configure StorNext
 Click an option for handling current configuration settings
 Configuring StorNext
 StorNext GUI
Accessing the StorNext
 StorNext Home File System and Storage Manager
 Configuration Wizard
 StorNext Configuration Wizard File System Only
 Add File System
Enter License
 Add Library
Add Tape Drive
Add Media
 Add Storage Disks
Add Storage Policy
Mail Notification
 Configuring a Distributed LAN Client Server
 Distributed LAN server configuration utility appears figure
 Sndpscfg Configuration Utility
 Field / Button Description
 Creating an Override Configuration
Using Distributed LAN Client and Server Commands
Command Description
 Windows Configuration Utilities
 Mount Point
Client Configuration
 Instead of selecting Map to Drive Letter, select
Select Map to Drive Letter to map the drive to
Specific drive letter
Select the desired drive letter
 Distributed LAN
 LANserver
Select this option to disable the StorNext client
Select to configure the StorNext client as a
As a distributed LAN client or distributed
 Advanced Mount Options
 Specify the number of times the driver will re
Default is
When this box is checked, the driver attempts
Default is off Soft Mount. Quantum
 Accessed
When this box is checked, the file system can
Be mounted and accessed without all
Disks being accessible in the file system stripe
 PathInError will be bypassed in favor
When you choose Allow I/O Timouts, this
Request in error, otherwise reset
Penalty value, where n is expressed
 Advanced Cache Options
 Will not buffer any data. All files will be read
When this box is not checked, the file system
Directly into the applications memory using
If Buffer Cache is disabled, the remaining
 Maximum of 100. Using a value of 0 disables
File system block size. The value default is
Default value is 1MB
Default value is 16 buffers with a
 Shared on the SAN, setting the Attribute Flush
Default values are 30 seconds for non
Setting these parameters lower will greatly
Circumstances where files are frequently
 On the Disk Labeler window, do one of the following
Disk Device Labeler
 Labeling Disks
 License Identifier Simple File System Configuration
Do not write a label to the disk and proceed to
Close the Disk Labeler dialog box
 Click to select all devices in the list
Name used by clients when establishing a
Switching to the next disk in the stripe group
Click to deselect all devices in the list
 Configuration utility
Click to save the configuration using
Current settings. The configuration file is
Saved in the StorNext configuration directory
 Configuring StorNext Windows Configuration Utilities
 Click to save changes to the FSM services list
Click to add a file system to the FSM services
FSM services list
Configurations is highest priority and 9 is
 Utility without saving changes
Click to quit the File System Startup List
 Server Administration
 File System Properties
 Stripe Group Properties
 Quota Properties
 Been used
Type the name of the user or group to set a
Quota for
Displays the percentage of the quota that has
 Quality of Service Information
Server Configuration
Clients Information
 Disk Definitions on Stripe Groups on
Disk Types on
 Global Settings
 When reading and storing files
Optional Select to send a warning when a
User attempts to access a file that is locked or
Allocate when a file is created
 Disk Types
 Server Configuration Disk Types
 Disk Definitions
 Click to create a new disk definition. Type a
Select to enable the selected disk definition
When enabled, the defined disk is available to
Configured file system for I/O
 Stripe Groups
Click to delete the selected device name
 Using the Quality of Service QOS API
Select to enable the selected stripe group
When enabled, the stripe group is available to
Accesses the disk
 Installing Promise RAID Controller Software
 Windows Boot Manager Screen
 Windows Boot Manager Screen
 StorNext 3.5 Installation Guide 109
 Uninstalling StorNext on Unix and Linux
Uninstalling StorNext
 Snfs
Uninstalling Snsm
 StorNext Remove Main Menu
Uninstalling the StorNext Client Software
 HP-UX
Uninstalling StorNext on Windows
 Sharing a Library Between Applications
StorNext Administration Tasks
 Vi mediafilelibraryname
 Fssysparmoverride Configuration File
Manually Modifying Storage Manager Configuration
 StorNext 3.5 Installation Guide 117
 Mounting Snfs on the OSx Computer
Connecting to a StorNext Network Using Xsan
 StorNext 3.5 Installation Guide 119
 Creating the automount.plist File
 Mounting Snfs on the Mac OS X Computer
 Plist
 StorNext 3.5 Installation Guide 123
 Viewing a Fibre Channel Device
 StorNext Log Rolling Administration
Changing Log Rolling Times
Log Rolling Options
 Avoiding Poor System Performance
Modified find command looks like this
 Example.cfg File
StorNext Files
 Appendix C StorNext Files
Page
Page
Page
Page
Page
 Cluster-Wide Central Control
 Cluster-Wide Control File Example
Page
 # Snfsall
 Commonly Used Snfs Files
 Cvlog debug and runtime messages
 Usr/cvfs/docs
 Cvapi.c a sample API application
 Quality of Service Guide
 Active vs. Passive Supported Platforms
Overview
 Configuration
Non-Realtime Operation
Unit of I/O
 Converting MB/sec to I/O/ sec
 Name Description Default
 Reserve
Rtio Upper Bound
 Token Timeouts
 Real-time I/O
 SetRtio Oversubscription Handles
 Ungated files
 Non-Realtime I/O Configuration
Calculating Available
All internal calculations are done in terms of I/O/sec
 Host bw-type sg=yy,sg=yy
Configuration File Examples
 Callbacks
 Client in Step
Above diagram, a process on client a requests some amount
Stripe group back to non-real-time mode
Issued and return to the previous state
 Be back in its original state
Stripe group is back in non-real-time mode
, Client a requests some amount of Rtio as in Figure
Situation arises it can be detected
 StorNext 3.5 Installation Guide 157
 Failure Semantics
, assume the stripe group is already in real-time mode as a
Time I/O token in . The FSM calls back to Clients B and D
Client C with the new token in Step
 FSM Failures Client Failures
 Send out callbacks to other clients
Monitoring
Real-time I/O available
Client Token Releases
 Sharing Disk Resources