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Table Of Contents

Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide
Preface
- About This Guide
- Audience
- Other Documents You May Need
- Terminology
- Notational Conventions
- Key Combinations
- Typographical Conventions
- Special Messages
Contents
Introducing Dell™ Filers
- About Filers
- About Filer Main Unit Components
- About PowerVault 700N Storage Systems
  - PowerVault 700N Storage Systems Contain Disks
  - PowerVault 700N Storage System Environmental Information
- About Data ONTAP 5.3
- Filer Administration With Data ONTAP 5.3
Filer Administration Basics
- Overview
  - About This Chapter
- Using the Administration Host
  - About the Administration Host
  - Administration Host Privileges
  - Administration Host Entry in the /etc/hosts.equiv file
  - Administration Host as the Mail Host
  - Designating a Different Mail Host
  - Requirements for Using an NFS Client as the Administration Host
  - Requirements for Using a CIFS Client as the Administration Host
- The Root Volume
  - About the Root Volume
  - Designating the Root Volume
  - About the Volume Name Prefix
  - Syntax to Refer to the Root Volume From NFS Clients
- Editing Configuration Files
  - What Editor to Use
  - Where Configuration Files Reside
  - Choosing an NFS or a CIFS Client
  - Editing Files From an NFS Client
  - Editing Files From a CIFS Client
- Obtaining Access to the Filer Shell
  - Ways to Access the Command Line
  - Sharing a Single telnet and Console Session
  - telnet Session Restriction
  - Closing a telnet Session
  - telnet and Console Password Requirement
  - rsh Support
  - Commands Accepted From rsh
  - Use Ctrl-C to Terminate the Command That Is Running
  - Changing the System Password
  - Where to Go to Learn More About Security
- About Multiple Administrative Users
  - What Is an Administrative User?
  - Multiple Administrative Users Increase Filer Security
  - Command to Use to Create Administrative Users
  - Ways to Access the Filer Using an Administrative Login Name
- Creating Administrative Users
  - Description
  - Prerequisites
  - Restrictions
  - Steps to Create a New Administrative User Using a Console or Telnet
  - Step to Create a New Administrative User Using rsh
- Deleting Administrative Users
  - Description
  - Caution
  - Step
- Listing Administrative Users
  - Description
  - Step
- Changing an Administrative User Password
  - Description
  - Restrictions
  - Steps to Change an Administrative Password Using a Console or telnet
  - Step to Change an Administrative Password Using rsh
- Halting and Rebooting the Filer
  - Data Storage in NVRAM
  - NVRAM Event During Orderly Shutdown
  - Procedure to Halt the Filer
  - Procedure to Boot the Filer
  - Procedure to Reboot the Filer
  - Where the Filer Boots From
  - Use the Halt Command to Avoid Data Loss
  - For More Information
- Understanding the Filer Default Configuration
  - About the Default Configuration
- Default Exported and Shared Directories
  - Default Directories Created
  - Permissions for the Default Directories
  - Accessing the Directories
  - Contents of the etc Directory
  - How The /home Directory Is Used
- The /etc/rc File
  - How the Filer Uses the /etc/rc File
  - Procedure for Editing the /etc/rc File
  - Default /etc/rc File Contents
  - Explanation of Default /etc/rc Contents
  - Changing SNMP Commands in /etc/rc
- Naming Conventions for Network Interfaces
  - Interface Types the Filer Supports
  - How Interfaces Are Numbered
  - How Multiple Ports Are Identified
  - How Interfaces Are Named
  - Virtual Interface Names
  - About Using Interface Names in Scripts
  - Filer Host Names
  - Host Name Example
  - Reasons to Follow a Special Recovery Procedure
  - Procedure When the Filer Does Not Boot
  - Procedure When Administration Host Cannot Access the Filer
- Core Files
  - About Core Files
  - Core File Storage in /etc/crash
  - What the savecore Command Does
  - Core Dump Space Needed
- Message Logging
  - About Message Logging
  - About the syslogd Daemon and the /etc/syslog.conf File
  - The /etc/syslog.conf File Format
  - The facility Parameter
  - The level Parameter
  - The action Parameter
  - Example Line From /etc/syslog.conf
  - The /etc/messages File Restart Schedule
  - Checking the /etc/messages File Daily
  - Sample /etc/syslog.conf File
  - For More Information
- Configuring Filer Options
  - Commands to Use to Set Options
- The options Command
  - What the options Command Does
  - Syntax of the options Command
  - Example of the options Command
- The vol options Command
  - vol options Command Configures VolumeLevel Behavior
  - Syntax of the vol options Command
  - Example of the vol options Command
- Sending Automatic Email
  - How Automatic Email Messages Are Controlled
  - How the autosupport Daemon Works
  - Mail Host Requirement for autosupport
  - About Configuring autosupport
  - Events That Trigger autosupport Email
  - Contents of Automatic Email Messages
  - Use the options Command to Configure autosupport
  - Disabling or Enabling the autosupport Daemon
  - Specifying Addresses for autosupport Mail
  - Specifying the Filer Administrator’s Address
  - Sending an Immediate Message
  - Sending a Short Message
- Filer System Time Synchronization
  - Commands for Synchronizing Time
- Time Synchronization with the rdate Command
  - When to Use the rdate Command
  - Filer Clock Accuracy
  - Use of cron jobs to Run rdate
  - cron job Example
- Time Synchronization With SNTP
  - When to Use SNTP
  - List of timed Options
- Synchronizing Filer System Time
  - Description
  - Prerequisites
  - Steps
- Using options Command Options to Maintain Filer Security
  - What the Options to the options Command Do
- Software Licenses
  - About Software Licenses
  - Enabling Services
  - Displaying Current License Codes
  - Disabling a License
  - Replacing License Codes
Disk and File System Management
- Disk Concepts
- Volume Concepts
- Procedures for Managing Disks and Volumes
  - Section Contents
- Disk Management Tasks
- Volume Management Tasks
- File Statistics for Volumes
- Getting a File Statistics Summary
- filestats Command Options
- Volume Reversion Using SnapRestore
- Reverting a Volume to a Selected SnapShot
Network Administration
- Working With Large Files
  - About Large Files
  - Software Requirements
  - How to Enable NFS
- Using SNMP
  - About SNMP
  - Data SNMP Provides
  - Command to Configure the SNMP Agent
  - SNMP Commands Supported by Dell
  - About the Dell Custom MIB
  - About MIB Group Contents
  - About Traps
  - How to Define Traps
- Host Name Resolution
  - How the Filer Resolves Host Names
  - Name Resolution Search
  - Default Search Order
  - Specifying a Search Order
  - Example Search Order
  - Using the /etc/hosts File for Host Name Resolution
  - Example
  - Using DNS
  - Disabling DNS
  - Using NIS
  - NIS Maps the Filer Uses
- Routing
  - About Filer Routing
  - Routing Table on the Filer
  - Specifying Default Routers
  - Using the routed Daemon to Manage Multiple Routers
  - Displaying Routing Status
  - The /etc/dgateways File
  - How the Filer Replies to Requests
- Using ifconfig to Configure an Interface
  - About the ifconfig Command
  - The ifconfig Command Syntax
  - Reasons to Use the ifconfig Command
  - Changing the Interface’s IP Address, Network Mask, or Broadcast Address
  - Setting the Media Type on an Ethernet Interface
  - Setting the Maximum Transmission Unit (MTU)
  - Configuring the Interface Up or Down
  - Edit /etc/rc File to Make Changes Persistent After Reboot
  - Viewing Interface Configuration Information
- EtherChannel Trunking
  - Trunks Are a Logical Group of Interfaces
  - Synonyms for Trunks
  - Interfaces Before Trunking
  - Interfaces After Trunking
- Kinds of Trunks
  - Two Kinds of Trunks
  - Single-Mode Trunks
  - Multiple-Mode Trunks
- Hardware Requirements for Trunks
- Virtual Interfaces
  - Trunking Supported by Virtual Interface Feature
  - Naming Virtual Interfaces
- Trunking Virtual Interfaces
  - You Can Trunk Virtual Interfaces
  - Second-Level Interface Configurations
- Second-Level Virtual Interfaces on a Single Filer
  - Why Use Second-Level Virtual Interfaces on a Single Filer
  - Example of a Second-Level Virtual Interface on a Single Filer
- Virtual Interface Management
  - Use the vif Commands to Manage Virtual Interfaces
  - Put These vif Commands in /etc/rc
- Creating a Single-Mode Trunk
  - Description
  - Prerequisites
  - Step
  - Example
- Specifying a Preferred Link in a SingleMode Trunk
  - Description
  - Step
- Removing a Link From Preferred Status in a Single-Mode Trunk
  - Description
  - Step
- Creating a Multiple-Mode Trunk
  - Description
  - Prerequisites
  - Step
  - Example
- Creating a Second-Level Virtual Interface on a Single Filer
  - Description
  - Steps
  - Example
- Adding Physical Interfaces to a Trunk
  - Description
  - Step
- Displaying the Status of a Trunk
  - Description
  - Step
  - Sample Output
- Displaying Trunk Statistics
  - Description
  - Step
  - Sample Output
- Destroying a Trunk
  - Description
  - Prerequisites
  - Step
- Database File Protection
  - How Data ONTAP 5.3 Provides Database File Protection
  - How to Provide Additional Protection for Database Files
  - How nvfail Works
  - Where to Look for Database File Verification Instructions
  - Error Message Example
- Enabling and Disabling Database File Protection With nvfail
  - Description
  - Step to Enable nvfail
  - Step to Disable nvfail
- Using the nvfail_rename File for Additional Database Protection
  - Description
  - Restrictions
  - Steps
File Sharing Between NFS and CIFS Users
- About This Chapter
  - About File Sharing
- File-Locking Interactions
  - About This Section
  - Types of Clients
  - Types of Locks
- Managing Symbolic Links for CIFS Access
  - About Symbolic Links
  - Controlling Access to Symbolic Links
  - Enabling Symbolic Links
  - How to Enable and Disable Symbolic Links
  - How to Redirect Absolute Symbolic Links
  - How to Prevent Symbolic Link Cycling
- NFS and CIFS Use of the Read-Only Bit
  - About Read-only Bits
  - How NFS Treats the Read-Only Bit
  - How the Filer Tracks the NFS or CIFS Client Read-Only Bit
- Naming Files Used by Both NFS and CIFS
  - About File Naming Conventions
  - Maximum Length of File Names
  - How the Filer Generates Short 8.3 File Names
  - Which Clients Support Short File Names
  - Legal Characters Used in File Names
  - Case-Sensitivity in File Names
- Languages and Character Sets
  - File Names, Languages, and Character Sets
  - File Names Use Character Sets
  - Every Volume Has a Language
  - Language Selection
  - What a Language Applies to
  - Kinds of Character Sets Supported
  - Languages Supported
  - How to Choose a Language
  - Language Procedures
- Displaying a List of Supported Languages
  - Description
  - Step
- Setting the Console Encoding
  - Description
  - Step
- Setting the Language of a Volume
  - Description
  - Prerequisites
  - Caution
  - Step
- Creating a Volume That Uses a Specified Language
  - Description
  - Prerequisites
  - Caution
  - Step
- Displaying Which Volume Uses Which Language
  - Description
  - Step
  - Sample Output
- CIFS File Name Case
  - Case Preservation
  - Case Conversion Procedures
- Forcing CIFS File Names to Lowercase
  - Description
  - Step
- Preserving the Case of CIFS File Names
  - Description
  - Caution
  - Step
- Directory Conversion Time
  - Directory Conversion Can Take a Considerable Amount of Time
  - When There Is no Need to Convert
  - How to Speed Up Directory Conversion
- Speeding Up Conversion Time by Renaming NFS Directories
  - Description
  - Step
- How to Manage UNIX Access to NTFS Files
  - UNIX Users Need Windows NT Credentials to Access NTFS Files
  - WAFL Credential Caching
- How to Manage the WAFL Credential Cache
  - The Default Configuration
  - Two Ways to Manage the WAFL Credential Cache
  - Global Cache Management Options
  - When to Use the wcc Command
  - The wcc Command Syntax
  - The wcc Command Options
- Setting How Long Each WAFL Credential Cache Entry Is Valid
  - Description
  - Step
- Adding An Entry to the WAFL Credential Cache
  - Description
  - Prerequisites
  - Cautions
  - Step
- Deleting Entries From the WAFL Credential Cache
  - Description
  - Prerequisites
  - Caution
  - Step
- Displaying WAFL Credential Cache Statistics
  - Description
  - Step
  - Sample Output
- Displaying a Mapping Result for a UNIX Name
  - Description
  - Step
  - Sample Output
- Displaying a Mapping Result for a Windows Name
  - Description
  - Step
  - Sample Output
- Toggling CIFS Login Tracing
  - Description
  - Caution
  - Step to Turn On CIFS Login Tracing
  - Sample Output
  - Step to Turn Off CIFS Login Tracing
NFS Administration
- Managing NFS Exports
- Introducing the /etc/exports File
- Rules For Exporting Volumes And Directories
- Default /etc/exports Entries
  - /vol/vol0 and /vol/vol0 home Are Exported by Default
  - Example of Default exportfs File
- Restricting Access to Volumes and Directories
- The exportfs Command
- The /etc/netgroup File
- Exporting to Subnets
- Configuring a Filer for WebNFS
- About Configuring a Filer for WebNFS
- Setting Up WebNFS
  - Procedure for Setting Up WebNFS
  - Example of Specifying WebNFS Root Directory
- Managing WebNFS
- Displaying NFS Statistics
- About Displaying NFS Statistics
CIFS Administration
- What Is CIFS?
- What You Can Do Only From the Filer Command Line or FilerView
- Effects of Renaming a Volume on Shares
- Scope of This Chapter
- CIFS limitations
  - Introduction
  - User Manager Limitations
  - Server Manager Limitations
- Limits on CIFS Open Files, Sessions, and Shares
  - Limits for the Dell PowerVault 720N, 740N, and 760N
- Changing or Viewing the Filer’s Description
  - When to Change or View a Filer’s Description
  - Changing a Filer’s Description From Server Manager
  - Viewing a Filer’s Description From the Filer Command Line
  - Changing a Filer’s Description From the Filer Command Line
- Adding CIFS Users to the Filer
  - When You Add CIFS Users
  - When Authenticating With a Domain Controller
  - When Authenticating With the UNIX Password Database
- Adding Local Groups to the Filer
  - How to Add a Local Group
  - Adding a Group With the New Local Group Window
- Using CIFS Commands With a Remote Shell Program
  - What You Can Use a Remote Shell Program for
  - UNIX Example
  - Automating Access Rights
  - Required Information in hosts.equiv File
- Enabling Guest and Generic Access
  - Two Ways to Give Access to Unauthenticated or Occasional Users
  - Guest Accounts
    - Setting Up a Guest Account
    - Disabling Guest Access
  - Generic User Accounts
- Displaying a Filer’s Shares
  - Ways to Share Folders
  - Using Server Manager to Display a Filer’s Shares
  - Using the cifs shares Command to Display a Filer’s Shares
    - Command Syntax
    - Example of Displaying a filer’s Shares
- Creating and Changing a Share
  - Ways to Share Folders
  - Creating a Share From Server Manager
  - Changing the Share Description and User Limit With Server Manager
  - Creating a Share With the cifs shares Command
    - Example
  - Using the cifsshares Command to Change the Share
- Displaying Information About Shares
  - Methods of Displaying Information About Shares
  - Using Server Manager to View Information About Shares
  - Using the cifsShares Command to View Information About Shares
    - Examples of Displaying Share Information
- Deleting a Share
  - How to Delete a Share
  - Using Server Manager to Delete a Share
  - Using the cifsshares Command to Delete Shares
    - Command Syntax
    - Example
- Creating a Home Share for Each User
  - When to Create a Home Directory
  - Accessing a Home Directory
  - Share Name Length Limitations
  - Creating a Share Containing User Home Directories
  - Creating Share Home Directories
    - Example From the Filer
    - Result
- Assigning and Changing Access Rights
  - When to Assign or Change Access Rights
  - Methods of Assigning or Changing Access Rights to a Share
  - Assigning or Changing Access Rights With Server Manager
  - Giving Access With the cifs access Command
    - Command syntax
    - Examples
  - Removing a User or Group With the cifs access -delete Command
- Displaying Access Rights to an NTFS File
  - Access Rights Display Methods
  - Displaying Access Rights From the Windows Desktop
- Changing UNIX Permissions and DOS Attributes From Windows
  - How to change UNIX permissions
  - Displaying SecureShare Access
  - Changing the Permissions of a Single Item
    - qtree Security Style Effects
    - Recursive Application of Changes
  - Changing the Permissions of Multiple Items
- Sending a Message to All Users on a Filer
  - When to Send a Message
  - How to Send the Message
- Event Auditing
  - You Can Audit File Access Events
  - Why Use Event Auditing
  - Active Event Log Naming
  - Log Access
- Event Log Detail Displays
  - How to Examine an Event in Detail
  - Windows File Access Detail Displays
  - UNIX File Access Detail Displays
  - Unsuccessful File Access Detail Display
  - Lost Record Event Detail Display
- Event Auditing Overview
  - Description
  - Steps
- Enabling CIFS Access Logging
  - Description
  - Step
- Disabling CIFS Access Logging
  - Description
  - Step
- Specifying the Active Event Log
  - Description
  - Prerequisites
  - Step
- Setting a System ACL on a File
  - Description
  - Prerequisites
  - Steps
- Viewing Events in a Security Log
  - Description
  - Prerequisites
  - Steps
- Using Oplocks
  - What Oplocks Do
  - When to Use Oplocks
    - Data Loss Possibilities
    - Error Handling And Write Completion
  - When to Turn Oplocks Off
  - Turning Oplocks On and Off Globally
    - Turning Oplocks Off
    - Turning Oplocks On
  - Turning Oplocks On or Off at Individual Clients
    - For Additional Information
- Displaying CIFS Statistics
  - How and Why to Display CIFS Statistics
  - Statistics Displays With the cifs stat Command
    - Example Of cifs stat Output
- Displaying CIFS Session Information
  - CIFS Session Information You Can Display
  - Displaying Information With the cifs sessions Command
- Stopping and Restarting CIFS Sessions
  - Ways to Stop CIFS Sessions
  - Disconnecting Users With Server Manager
  - Using the cifs terminate Command
  - The cifs terminate Command Not Persistent
  - Time Delay
    - Default Time Delay
    - Changing the Time Delay
  - Canceling the cifsterminate Command
  - Examples of the cifs terminate Command
  - Using the cifs restart Command to Restart CIFS Service
- Reconfiguring the Filer for CIFS
  - When to Reconfigure a Filer for CIFS
  - How to Reconfigure a Filer for CIFS
HTTP Administration
- Starting HTTP Service
  - Procedure for Starting HTTP Service
  - Procedure for Testing HTTP Service
- Protecting Web Pages With Passwords
- Using the HTTP Virtual Firewall
  - About the HTTP Virtual Firewall
  - Syntax
- Using Virtual Hosting
- Specifying MIME Content-Type Values
  - About MIME Content-Type Values
  - Modifying MIME Content-Type Mappings
- Translating URLs
- Displaying HTTP Connection Information
  - Information in the /etc/log/httpd.log File
- Displaying HTTP Statistics
  - httpstat Statistic Types
  - Syntax
Snapshots
- Understanding Snapshots
- Snapshot Commands and Options
- Understanding Snapshot Disk Consumption
- Managing Snapshot Disk Consumption
- Accessing Snapshots From Clients
qtree Administration
- About qtrees
- Using qtrees
- qtree Security Styles
  - Types of Security Styles
  - qtree Security Styles in Detail
- qtree File Access Models
- Creating a qtree
- Modifying the Security Style of a qtree
  - When to Change the Security Style of a qtree
  - How to Change the Security Style of a qtree
    - Example With a qtree
    - Example With a Volume
- Modifying qtree Oplocks Settings
- Displaying qtree Information
  - How to Display qtree Information
  - The qtree Command Display
    - Example qtree Display
    - Explanation of Example qtree Display
Quotas and Maximum Number of Files
- Restricting or Tracking Disk Usage by Using Disk Quotas
- Increasing the Maximum Number of Files
  - About Increasing the Maximum Number of Files
  - Viewing the Number of Files in a Volume
- The df Command
  - About the df Command
  - Using the df Command With qtrees
Data Backup
- Introduction to Data Backup
- How the dump Command Works
- Format of the Backup Data
- How the dump Command Writes and Stores Data on Tape
- Determining the Amount of Backup Data
- Determining the Number of Tapes for the Backup
- Prerequisites for the dump Command
- Recommendations for Performing a Backup
- The dump Command Syntax
- Using the dump Command to Back Up Data to Tape
Data Recovery
- Introduction to Data Recovery
- The restore Command Syntax
- Using the restore Command
- Performing a Full Restore of a Volume Containing qtrees
  - Description
  - Steps
- Examples of the restore Command
- Restarting the restore Command
- How to Use a Filer Tape Drive to Restore Files to Another System
Tape Device Management
- Introduction to Tape Device Management
  - Why You Want to Manage a Tape Device
  - Scope of This Chapter
- How the Filer Displays Information About Various Tape Drives
  - Introduction
  - Qualified Tape Drives
- Displaying Tape Device Information
- Using the mt Command to Control Tape Devices
Volume Copy Using the vol copy Command Set
- About This Chapter
  - Overview of Volume Copy
- Introduction to the Filer’s Commands for Copying Volumes
- Requirements and Recommendation For Copying a Volume
- Details About Copying One Volume to Another
- Management of a Volume Copy Operation When it Is in Progress
Data Replication Using SnapMirror
- About This Chapter
  - Overview of SnapMirror
- Purposes of SnapMirror
  - Why You Want to Replicate a Volume
- How SnapMirror Works
- Snapshots Created During Data Replication
- How SnapMirror Works With Quotas
  - Quotas on the Mirror
  - How to Apply the Same Quota Restrictions on the Former Mirror
- How SnapMirror Works With the Dump Command
  - How to Back Up Data in the Mirror
  - Effect of the Dump Command on the Mirror Update Schedule
- The /etc/snapmirror.allow File
- The /etc/snapmirror.conf File
- Replicating a Volume
- Disabling Data Replication for the Entire Filer
  - Description
  - Steps
- Resuming Data Replication for the Entire Filer
- Disabling Data Replication for One Volume
- Checking Data Replication Status
- Converting a Mirror to a Regular Volume
- Differences Between the vol copy Command and SnapMirror
  - Differences
System Information and Performance
- Displaying the Data ONTAP Version
  - How to Display the Data ONTAP Version
- Displaying Filer Configuration Information
- Displaying Volume Information
- Displaying Filer Statistics
- Displaying Network Statistics
  - Use the netstat Command
  - About the netstat Command
- Displaying Interface Statistics
  - Use the ifstat Command
    - ifstat Syntax
  - Explanation of Interface Statistics
    - Ethernet
    - GB Ethernet
- Improving Filer Performance
Troubleshooting
- Getting Technical Assistance
  - Information to Note Before Calling for Support
  - How to Contact Dell
- Booting From System Boot Diskette
  - Boot From Diskette To Correct Some Types of Problems
  - Procedure for Booting From Diskette
- Restarting a Shut Down Filer
  - Procedure for Restarting Filer After Unexpected Shutdown
- NVRAM Problem
  - How the Filer Handles Inconsistent NVRAM Contents
- Volume Problems
  - Types of Volume Problems Described
- Failed Mounts and Stale File Handles
  - Changing Volume Names Can Cause Mount and File Handle Problems
  - Procedure for Fixing the /etc/exports Problem
- Volume Name Problems
  - Volume Naming Rules
  - Examples of Volume Names
  - Error Messages About Volume Names
- Disk Problems
  - Types of Disk Problems Described
- Disk Failure Without a Hot Spare Disk
  - About This Section
  - Filer Runs in Degraded Mode
  - Filer Logs Warning Messages in /etc/messages
  - Filer Shuts Down Automatically After 24 Hours
  - Filer Reconstructs Data After Disk Is Replaced
- Disk Failure With a Hot Spare Disk
  - About This Section
  - Filer Replaces Disk With Spare and Reconstructs Data
  - Related Information
- Disk Errors
  - Types of Disk Errors Described
  - Error Message: Nonexistent Disks
  - Error Message: Disk in Use
  - Error Message: System Cannot Boot Because Disks Are Missing
- Inconsistent File System
  - Inconsistencies Seldom Occur
  - Contact Technical Support if an Inconsistency Occurs
- Disk Operations in Maintenance Mode
  - Maintenance Mode Operations
  - Displaying Detailed Disk Information
  - Checking Access to a Disk
  - Erasing a Disk Label
- Configuration Problems
  - The /etc/rc, /etc/exports, and /etc/hosts Files Can Contain Errors
  - What to Do When the Filer Is Not Accessible From the Administration Host
  - Filer Runs Setup When /etc/rc Is Damaged or Missing
  - How to Recover From Configuration Errors if NFS Is the Only Licensed Protocol
- How to Reset the Filer Password
  - Reset the Password if You Forget It
  - Procedure for Resetting the Password
- How to Initialize All Disks and Create a New File System
  - Initializing All Disks Erases All Data
  - Procedure for Initializing All Disks
- Network Problems
  - Detect Network Problems Using ping at the Filer Console
  - What the ping Command Does
  - How to Troubleshoot Network Problems
  - Contact Technical Support About Other Network Problem
- NFS Problems
  - Client’s Inability To Mount Directories Indicates NFS Problems
  - How to Troubleshoot NFS Problems
- Windows Access Problems
  - Kinds of Access Problems
  - Preliminary Troubleshooting Steps
  - Filer Can’t Register With the Windows NT Domain
    - Using WINS
    - Not Using WINS
  - Incorrect Password or Unknown Username
  - Users Cannot Map a Drive
- UNIX cpio Problems
  - The cpio Version Should Support 32-bit Inode Definition Numbers
    - Why the Problem Occurs
  - Ask UNIX Provider Whether cpio Version Supports 32-bit Inode Definition Numbers
- UNIX df Problems
  - The df Version Must Support Large File Systems
  - Enable NFS Option to Avoid Displaying Useless Data
  - DOS, Windows, and Macintosh Clients Might Have Display Problem
  - Filer df Command Always Shows Correct Disk Space
  - qtrees Affect Disk Space Displayed by df
  - Filer Quota Report Command Always Displays Correct Usage
- Serious Error Messages
  - Panic Messages Mean Serious Problems
  - What to Do After a Panic Message
Detailed Options Information
- About options
  - About Setting Detailed Information
  - Option Values
- Autosupport Options
- CIFS Options
- DNS Options
- HTTP Options
- NFS Options
- NIS Options
- RAID Options
- timed Options
- volume Options
- Miscellaneous Options
Command Reference
- User Commands
- File Formats
- Headers, Tasks, and Macros
- System Services and Daemons
Glossary
Index

6-18 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide

Server nfs:

calls badcalls

33345 0

Server nfs V2:

null getattr setattr root lookup readlink read

0 0% 8410 25% 19 0% 0 0% 13687 41% 42 0% 489 22%

wrcache write create remove rename link symlink

0 0% 3225 10% 12 0% 7 0% 9 0% 0 0% 0 0%

mkdir rmdir readdir statfs

0 0% 0 0% 416 1% 29 0%

Server nfs V3:

null getattr setattr lookup access readlink read

0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0%

write create mkdir symlink mknod remove rmdir

0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0%

rename link readdir readdir+ fsstat fsinfo pathconf

0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0%

commit

0 0%

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The following command resets the counters:

nfsstat -z