Laptop User Manual
Table Of Contents
- Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide
- Preface
- Contents
- Introducing Dell™ Filers
- Filer Administration Basics
- Overview
- 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
- Editing Configuration Files
- 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
- Creating Administrative Users
- Deleting Administrative Users
- Listing Administrative Users
- Changing an Administrative User Password
- Halting and Rebooting the Filer
- Understanding the Filer Default Configuration
- Default Exported and Shared Directories
- The /etc/rc File
- 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
- 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
- The options Command
- 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
- Time Synchronization with the rdate Command
- Time Synchronization With SNTP
- Synchronizing Filer System Time
- Using options Command Options to Maintain Filer Security
- Software Licenses
- Disk and File System Management
- Disk Concepts
- Volume Concepts
- Procedures for Managing Disks and Volumes
- Disk Management Tasks
- Volume Management Tasks
- Introduction
- Creating Volumes
- After Creating a New Volume
- Adding Disks to a Volume
- Monitoring Volume Status
- Setting Volume Options
- Converting a Mirror Into a Regular Volume
- Making a Volume Inactive
- Reactivating an Off-line Volume
- Adding a Foreign Volume
- Destroying a Volume
- Renaming a Volume
- Handling Volume Failures
- File Statistics for Volumes
- Getting a File Statistics Summary
- filestats Command Options
- Volume Reversion Using SnapRestore
- About SnapRestore
- How SnapRestore Works
- What SnapRestore Reverts
- Files That SnapRestore Cannot Recover
- How SnapRestore Affects Recent SnapShots
- Typical Applications of SnapRestore
- Considerations Before Using SnapRestore
- How SnapRestore Works With SnapMirror
- Effects of Reverting a Root Volume
- Effects of SnapRestore on Filer Backup and Recovery
- Reverting a Volume to a Selected SnapShot
- Network Administration
- Working With Large Files
- Using SNMP
- Host Name Resolution
- Routing
- 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
- Kinds of Trunks
- Hardware Requirements for Trunks
- Virtual Interfaces
- Trunking Virtual Interfaces
- Second-Level Virtual Interfaces on a Single Filer
- Virtual Interface Management
- Creating a Single-Mode Trunk
- Specifying a Preferred Link in a SingleMode Trunk
- Removing a Link From Preferred Status in a Single-Mode Trunk
- Creating a Multiple-Mode Trunk
- Creating a Second-Level Virtual Interface on a Single Filer
- Adding Physical Interfaces to a Trunk
- Displaying the Status of a Trunk
- Displaying Trunk Statistics
- Destroying a Trunk
- Database File Protection
- Enabling and Disabling Database File Protection With nvfail
- Using the nvfail_rename File for Additional Database Protection
- File Sharing Between NFS and CIFS Users
- About This Chapter
- File-Locking Interactions
- Managing Symbolic Links for CIFS Access
- NFS and CIFS Use of the Read-Only Bit
- Naming Files Used by Both NFS and CIFS
- Languages and Character Sets
- Displaying a List of Supported Languages
- Setting the Console Encoding
- Setting the Language of a Volume
- Creating a Volume That Uses a Specified Language
- Displaying Which Volume Uses Which Language
- CIFS File Name Case
- Forcing CIFS File Names to Lowercase
- Preserving the Case of CIFS File Names
- Directory Conversion Time
- Speeding Up Conversion Time by Renaming NFS Directories
- How to Manage UNIX Access to NTFS Files
- How to Manage the WAFL Credential Cache
- Setting How Long Each WAFL Credential Cache Entry Is Valid
- Adding An Entry to the WAFL Credential Cache
- Deleting Entries From the WAFL Credential Cache
- Displaying WAFL Credential Cache Statistics
- Displaying a Mapping Result for a UNIX Name
- Displaying a Mapping Result for a Windows Name
- Toggling CIFS Login Tracing
- NFS Administration
- Managing NFS Exports
- Introducing the /etc/exports File
- Rules For Exporting Volumes And Directories
- Default /etc/exports Entries
- 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
- 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
- Limits on CIFS Open Files, Sessions, and Shares
- Changing or Viewing the Filer’s Description
- Adding CIFS Users to the Filer
- Adding Local Groups to the Filer
- Using CIFS Commands With a Remote Shell Program
- Enabling Guest and Generic Access
- Displaying a Filer’s Shares
- Creating and Changing a Share
- Displaying Information About Shares
- Deleting a Share
- Creating a Home Share for Each User
- Assigning and Changing Access Rights
- Displaying Access Rights to an NTFS File
- Changing UNIX Permissions and DOS Attributes From Windows
- Sending a Message to All Users on a Filer
- Event Auditing
- Event Log Detail Displays
- Event Auditing Overview
- Enabling CIFS Access Logging
- Disabling CIFS Access Logging
- Specifying the Active Event Log
- Setting a System ACL on a File
- Viewing Events in a Security Log
- Using Oplocks
- Displaying CIFS Statistics
- Displaying CIFS Session Information
- Stopping and Restarting CIFS Sessions
- Reconfiguring the Filer for CIFS
- HTTP Administration
- Snapshots
- Understanding Snapshots
- Snapshot Commands and Options
- Understanding Snapshot Disk Consumption
- Managing Snapshot Disk Consumption
- Accessing Snapshots From Clients
- qtree Administration
- Quotas and Maximum Number of Files
- Data Backup
- Introduction to Data Backup
- How the dump Command Works
- Purpose of the dump Command
- What the dump Command Can Back Up
- How the dump Command Uses Snapshots to Back Up Data
- Metadata Being Backed Up
- How to Exclude Certain Types of Data From the Backup
- Devices Used by the Dump Command
- Incremental Backups
- Where to Enter the Dump Command
- Benefits of Entering the dump Command Through rsh
- Benefits of Entering the dump Command on the Console
- 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
- Description
- Prerequisites
- Restrictions
- Steps
- Examples of Level-0 Backups to a Local Tape File
- Examples of Backups to a Remote Tape File
- Example of an Incremental Backup to a Local Tape Drive
- Examples of Backups to Multiple Tape Files
- Example of Backing Up a Directory From a Snapshot
- Example of Backups to a Tape Stacker
- Example of Backing Up Multiple Files or Directories in One dump Command
- Example of Backing Up Data Without ACLs
- Example of Specifying a Blocking Factor
- Example of Specifying a Tape File Size
- Example of Excluding Files From a Backup
- Example of Backing Up to a Tape Stacker Shared by Multiple Filers
- Example of Backing Up the Entire Filer
- Data Recovery
- Introduction to Data Recovery
- The restore Command Syntax
- Using the restore Command
- Performing a Full Restore of a Volume Containing qtrees
- 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
- How the Filer Displays Information About Various Tape Drives
- Displaying Tape Device Information
- Description
- Step for Displaying Information About Qualified Tape Devices
- Steps for Displaying Nonqualified Tape Devices
- Steps for Displaying Information About Tape Stackers
- Displaying Tape Device Information Along With Other Filer Information
- Example of the sysconfig -t Command for a Qualified Tape Drive
- Examples Of the sysconfig -t Command for a Nonqualified Tape Drive
- Example of the sysconfig -m Command
- Example of the sysconfig -v Command
- Using the mt Command to Control Tape Devices
- Volume Copy Using the vol copy Command Set
- About This Chapter
- 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
- Purposes of SnapMirror
- How SnapMirror Works
- Snapshots Created During Data Replication
- How SnapMirror Works With Quotas
- How SnapMirror Works With the Dump Command
- The /etc/snapmirror.allow File
- The /etc/snapmirror.conf File
- Replicating a Volume
- Disabling Data Replication for the Entire Filer
- 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
- System Information and Performance
- Troubleshooting
- Getting Technical Assistance
- Booting From System Boot Diskette
- Restarting a Shut Down Filer
- NVRAM Problem
- Volume Problems
- Failed Mounts and Stale File Handles
- Volume Name Problems
- Disk Problems
- Disk Failure Without a Hot Spare Disk
- Disk Failure With a Hot Spare Disk
- Disk Errors
- Inconsistent File System
- Disk Operations in Maintenance Mode
- Configuration Problems
- How to Reset the Filer Password
- How to Initialize All Disks and Create a New File System
- Network Problems
- NFS Problems
- Windows Access Problems
- UNIX cpio Problems
- 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
- Detailed Options Information
- About options
- Autosupport Options
- CIFS Options
- What the CIFS Options Do
- The cifs.access_logging_enable Option
- The cifs.access_logging.filename Option
- The cifs.bypass_traverse_checking Option
- The cifs.guest_account Option
- The cifs.home_dir Option
- The cifs.idle_timeout Option
- The cifs.netbios_aliases Option
- The cifs.oplocks.enable Option
- The cifs.perm_check_use_gid Option
- The cifs.scopeid Option
- The cifs.search_domains Option
- The cifs.show_snapshot Option
- The cifs.symlinks.cycleguard Option
- The cifs.symlinks.enable Option
- DNS Options
- HTTP Options
- NFS Options
- NIS Options
- RAID Options
- timed Options
- volume Options
- Miscellaneous Options
- What the Miscellaneous Options Do
- The console.encoding Option
- The ip.match_any_ifaddr Option
- The ip.path_mtu_discovery.enable Option
- The rsh.enable Option
- The snmp.enable Option
- The telnet.enable Option
- The telnet.hosts Option
- The vol.copy.throttle Option
- The wafl.convert_ucode Option
- The wafl.create_ucode Option
- The wafl.default_nt_user Option
- The wafl.default_unix_user Option
- The wafl.maxdirsize Option
- The wafl.root_only_chown Option
- The wafl.wcc_minutes_valid Option
- Command Reference
- Glossary
- Index
