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System Administration Data Protection Guide
Data ONTAP™ 6.4
Preface
Chapter 1: Introduction to Data Protection
Data protection options
Online backup and recovery
Tape backup and recovery
Database protection with the NVFAIL feature
Deciding which data protection method to use
Protecting against a data loss disaster
Data protection in a SAN environment
Chapter 2: Snapshot Management
Understanding snapshots
Accessing snapshots from clients
Restoring files from snapshots
Creating snapshot schedules
Creating snapshots
Finding the snapshot you need
Understanding snapshot disk consumption
Monitoring snapshot disk consumption
Displaying snapshot disk consumption statistics
Understanding the snapshot reserve
Changing the snapshot reserve
Saving disk space by using file folding
Deleting snapshots
Renaming snapshots
Chapter 3: Data Reversion Using SnapRestore
Understanding SnapRestore
Deciding when to use SnapRestore
Installing the SnapRestore license
Reverting a volume to a selected snapshot
Reverting a file to a selected snapshot
Obtaining correct incremental backups after reversion
Chapter 4: Data Protection Using SnapMirror
SnapMirror overview
SnapMirror commands and configuration files
Considerations when planning and running SnapMirror
Setting up a basic SnapMirror operation
Specifying destination filers on the source filer
Defining source and destination through snapmirror.conf
Enabling SnapMirror
Initializing a SnapMirror destination
Updating a destination manually
Listing SnapMirror snapshots
Checking SnapMirror data transfer status
Checking SnapMirror data transfer logs
Aborting a SnapMirror transfer
Stabilizing (quiescing) destinations before taking a snapshot
Turning off or changing scheduled updates for volumes or qtrees
Turning off SnapMirror updates for the filer
Converting a destination to a writable volume or qtree
Releasing partners from a SnapMirror relationship
Resynchronizing SnapMirror
Copying from one destination to another in a series (cascading)
SnapMirroring a volume to local tape
How SnapMirror works with the dump command
Fixing changes to SnapMirror elements
Chapter 5: Data Protection Using SnapVault
SnapVault overview
Planning SnapVault
Setting up a basic SnapVault backup for filer systems
Setting up SnapVault backup on Open Systems platforms
Managing SnapVault backup of Open Systems platforms
Enabling SnapVault
Starting a SnapVault backup relationship
Scheduling SnapVault snapshot updates
Checking SnapVault transfers
Displaying SnapVault snapshots
Changing settings for SnapVault backup relationships
Manually updating individual secondary storage system qtrees
Creating a snapshot manually
Restoring SnapVault data to the primary storage system
Aborting SnapVault transfers
Ending SnapVault backups for a qtree
Unscheduling SnapVault snapshots
Releasing SnapVault relationships
Protecting your SnapVault backups through SnapMirror
Turning SnapVault off
Chapter 6: Volume Copy
Learning about volume copy
Preparing to copy a volume
Verifying the size of each volume
Verifying the relationship between filers
Verifying and changing status of source and destination volumes
Enabling remote access
Copying volumes
Checking the status of a volume copy operation
Displaying the current speed for copying a volume
Controlling the speed of a volume copy operation
Aborting a volume copy operation
Chapter 7: Mirrored Volume Management Using SyncMirror
Understanding mirrored volumes
Enabling and disabling the mirroring license
Creating mirrored volumes
Creating a mirrored volume when creating a volume
Adding a plex to an existing unmirrored volume
Adding disks to mirrored volumes
Changing the state of a plex
Splitting mirrored volumes
Removing and destroying a plex from a mirrored volume
Comparing the plexes of mirrored volumes
Chapter 8: Tape Drive Management
Understanding tape devices
Displaying tape device statistics
Displaying supported tape drives
Assigning tape aliases
Displaying tape device and tape drive information
Understanding tape files
Controlling tape drives
Qualifying tape drives dynamically
Using nonqualified tape drives
Enabling and disabling persistent reservations
Chapter 9: Data Backup to Tape
Introduction to data backup to tape
Types and methods of backup
What the dump command backs up
How the dump command works
Preparing to use the dump command
Determining the amount of backup data
Estimating the number of tapes for the backup
Deciding how to enter the dump command
Using the dump command
Dump command syntax
Recommendations for performing a backup
Specifying the backup level
Understanding increment chains
Specifying the tape device
Specifying the dump path
Specifying a list of files
Excluding items from a backup
Specifying a name for a backup
Specifying no Windows NT ACLs
Specifying the blocking factor
Specifying the tape file size
Specifying updates to the /etc/dumpdates file
Appending backups to a tape
Examples of the dump command
Level-0 backups to a local tape drive
Incremental backups to a local tape drive
Backups to a remote tape drive
Backups to multiple tapes
Backup of a directory from a snapshot
Backup of a list of files or directories
Backup data without ACLs
Backup specifying a blocking factor
Backup excluding specified files
Verifying the contents of a dump command backup
Checking the status of a dump command backup
Restarting a dump command backup
Deleting restartable dump command backups
Chapter 10: Data Restoration from Tape
About data restoration
What the restore command recovers
How the restore command works
Preparing to use the restore command
Getting required materials
Deciding where to enter the restore command
Preparing the destination
Using the restore command
Restore command principles
Specifying an individual file restore
Specifying a full restore
Specifying a table-of-contents restore
Specifying a resumed restore
Specifying tape devices
Specifying a single tape file on a multifile tape
Specifying the restore destination
Specifying the blocking factor
Specifying detailed status output
Specifying ignoring inode limitations
Specifying automatic confirmations
Specifying no Windows NT ACLs
Specifying no qtree information
Specifying a test restore
Restoring incremental backups
Restoring the entire filer
Restore examples
Restoring an entire backup
Restoring individual files or directories
Restoring using a remote tape drive
Multiple tape restores
Chapter 11: Using NDMP Services
Learning about NDMP services on the filer
Using tape devices with NDMP
Preparing a filer for basic NDMP backup application management
Enabling or disabling NDMP service
Managing NDMP security features
Specifying the NDMP version
Specifying a preferred network interface
Displaying NDMP session status
Displaying NDMP debug messages
Terminating an NDMP session
Copying data with ndmpcopy
Chapter 12: Event Logging for Backup and Restore
About event logging for backup and restore
Event log messages
Enabling or disabling event logging
Chapter 13: Database Protection Using NVFAIL
Understanding the nvfail option
Enabling and disabling database file protection
Using the nvfail_rename file for additional database protection
Chapter 14: Virus Protection for CIFS
Understanding CIFS virus protection
Setting up and starting virus scanning
Specifying file types to be scanned
Excluding file types to be scanned
Specifying shares for scanning
Turning scanning on or off for shares
Turning scanning on or off for read-only access for shares
Adding shares with virus scanning turned on or off
Displaying the scanner list
Checking vscan information
Setting and resetting the virus scan request timeout
Allowing file access when the scan cannot be performed
Controlling vfiler usage of host filer virus scanners
Checking the status of virus-scanning options
Stopping a virus scanner session
Resetting the scanned files cache
Enabling virus scan messages to CIFS clients
Appendix A: Disaster Protection Using MetroCluster
Configuring disaster recovery using MetroCluster
MetroCluster configuration up to 500 meters
MetroCluster configuration for distances up to 10 kilometers
Recognizing a disaster
Recovering from a disaster
Glossary
Index
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