Data ONTAP® 8.2

Data Protection Online Backup and Recovery Guide

For 7-Mode

• Introduction to data protection
• Methods of protecting data
• What online backup and recovery is
  • Advantages of online backup and recovery
  • Disadvantages of online backup and recovery
  • Features that enable online backup and recovery of volumes
• What the NVFAIL feature is
• What a data loss disaster is
  • How to determine a disaster
  • Tools for protecting against data-loss disasters
• Data protection in a SAN environment
• Policy-based automated data protection using Protection Manager
• Interoperability between volumes in 32-bit and 64-bit aggregates
• Data replication using aggr copy
• Copying one aggregate to another aggregate using the aggr copy command
• Snapshot management
• What a Snapshot copy is
  • How Snapshot copies handle file permissions
  • Backup and recovery tasks you can perform with Snapshot copies
• User access to Snapshot copies
  • Access to Snapshot copies over NFS
  • Access to Snapshot copies over CIFS
  • Accessing Snapshot copies from CIFS clients
  • Restricting access to Snapshot copies
• How Data ONTAP Snapshot copies work in an iSCSI or FC network
  • Using Snapshot copies in the SAN environment
  • Relationship between a LUN and a Snapshot copy
• Restoring files from Snapshot copies
  • Snapshot restoration using Shadow Copy Client tools
• Creation of Snapshot copy schedules
  • Types of user-specified Snapshot copy schedules
  • Snapshot copy schedule conflicts
  • If scheduled Snapshot copy creation fails
  • Viewing the Snapshot copy schedule using the CLI
  • What the snap sched command arguments mean
  • Strategies for creating a Snapshot copy schedule
  • Changing the Snapshot copy schedule
  • Enabling or disabling automatic Snapshot copies
• Creating Snapshot copies manually
• Why you might need to access a particular Snapshot copy
  • Finding the Snapshot copy you need from an NFS client
  • Determining access times from an NFS client
  • Finding the Snapshot copy you need from a CIFS client
  • How to determine access times from a CIFS client
• What Snapshot disk consumption is
  • How Snapshot copies consume disk space
  • How changing file content consumes disk space
  • Monitoring Snapshot copy disk consumption
  • Displaying Snapshot copy disk consumption statistics
    • How the snap list output is calculated
    • How to use cumulative Snapshot copy values
    • Displaying Snapshot copy use and dependencies
    • snap list performance after a snap restore file operation
  • Understanding Snapshot copy reserve
    • What the Snapshot copy reserve is
    • Use of deleted active file disk space
    • Example of what happens when Snapshot copies exceed the reserve
    • Recovery of disk space for file system use
    • Changing the Snapshot copy reserve
• What file folding means and how it saves disk space
  • Enabling file folding
• Displaying the rate of change between Snapshot copies
  • Displaying rates of change between Snapshot copies
• Deleting Snapshot copies automatically
  • Deleting Snapshot copies automatically without options
  • Viewing settings for the automatic deletion of Snapshot copies
  • Restoring the default settings for the automatic deletion of Snapshot copies
  • Disabling a policy for automatic deletion of Snapshot copies
• Displaying space reclaimed from deleted Snapshot copies
• How to determine which Snapshot copies to delete on the basis of size
  • Deleting a Snapshot copy manually
  • Manual deletion of a busy or locked Snapshot copy
• Renaming Snapshot copies
• Volume move and snap commands
• Data recovery using SnapRestore
• What SnapRestore is
  • What SnapRestore does
• When to use SnapRestore
  • Considerations before using SnapRestore
  • Prerequisites for using SnapRestore
  • General cautions for using SnapRestore
  • Caution about reverting the root volume
  • Preserving configuration files
  • Reverting a root volume before using SnapRestore
• Installing the SnapRestore license
• Reverting a volume to a selected Snapshot copy
• Reverting a file to a selected Snapshot copy
• Obtaining correct incremental backups after reversion
• Data protection using SnapMirror
• How SnapMirror works
• Applications of SnapMirror
• What synchronous SnapMirror is
  • Synchronous SnapMirror modes
  • How SnapMirror replicates data synchronously
  • How synchronous SnapMirror handles network issues
  • Guidelines for growing an aggregate with a synchronous SnapMirror destination volume
• Enabling SnapMirror by entering license keys
  • Turning SnapMirror on
• Considerations for the use of SnapMirror
  • Prerequisites for SnapMirror
  • Volume SnapMirror interoperability matrix
  • Restrictions on using SnapMirror
  • Points of caution while using SnapMirror
  • Symmetrical disk geometry
  • Recommended actions while using SnapMirror
  • Deduplication with volume SnapMirror
  • Data compression with qtree SnapMirror
  • Possible conflicts between SnapMirror operation and Snapshot copy schedule
  • Destination accessibility when using CIFS with SnapMirror
• Considerations before using synchronous SnapMirror
  • Disk type requirements for synchronous and semi-synchronous SnapMirror with systems that use array LUNs
  • Estimating aggregate size for synchronous SnapMirror destination volumes
• Deployment of SnapMirror
  • Supported SnapMirror configurations
  • Comparison between volume SnapMirror and qtree SnapMirror
  • SnapMirror deployment variations
  • Migration from traditional volumes to FlexVol volumes
  • SnapMirror commands
  • SnapMirror options
  • SnapMirror files
  • SnapMirror support for IPv6
  • Setting up a basic SnapMirror operation
  • Firewall usage with SnapMirror
  • Data replication from one destination to another in a series (cascading)
    • Supported cascade configurations for SnapMirror
    • Supported three-hop cascade configurations for SnapMirror
    • How SnapMirror handles Snapshot copies for cascading destinations
    • Listing SnapMirror destinations for a volume in a cascading series
    • Restructuring a cascade
  • Data replication using tape
    • Copying source to intermediate tape
    • Initializing a SnapMirror destination by using tape
• Initialization of a SnapMirror destination
  • Quotas for SnapMirror destination qtrees
  • Guidelines for creating a qtree SnapMirror relationship
  • Initialization of a SnapMirror destination from tape
  • Initializing a SnapMirror destination
  • Space guarantee for a volume SnapMirror destination
  • Initializing a destination for non-qtree data
  • How the snapmirror initialize command copies volumes
  • How the snapmirror initialize command copies qtrees
  • What happens after SnapMirror makes the initial copy to the destination
  • How to check the initialization of a volume
  • Checking the initialization of a qtree
  • How the snapmirror initialize command matches source and destination volume size
  • What you can do if an initial SnapMirror transfer fails
• Maximum number of concurrent replication operations
  • Maximum number of concurrent replication operations in an HA pair
• Methods for specifying destination systems on the SnapMirror source
  • Specifying SnapMirror destinations using the snapmirror.access option
  • Specifying SnapMirror destinations using the snapmirror.allow file
  • Resolving host names to their IP addresses
• What the snapmirror.conf file does
  • Distribution of the snapmirror.conf file
  • Limit on entries in the snapmirror.conf file
  • Editing the snapmirror.conf file
  • Syntax for snapmirror.conf file entries
• Scheduled updates for volumes or qtrees
  • Changing scheduled updates for one volume or qtree
  • Turning off SnapMirror updates
  • Turning off scheduled updates for one volume or qtree
• Manual update of a SnapMirror destination
  • Performing a manual SnapMirror update
  • Creating extra backup Snapshot copies for SnapMirror qtrees
  • What happens after SnapMirror makes incremental updates to the destination
• SnapMirror over multiple paths
  • Setting up a multipath SnapMirror relationship
  • Converting a single-path SnapMirror relationship to multipath
• SnapMirror network compression
  • Enabling SnapMirror network compression
  • Viewing SnapMirror network compression ratio
• Checking SnapMirror data transfer status
  • What SnapMirror status check shows
  • Information messages in the SnapMirror status check
• Adjusting the TCP window size for a SnapMirror relationship
• Setting a maximum transfer rate for all transfers
• Changing the maximum transfer rate for a single SnapMirror transfer
• About moving SnapMirror sources
  • Moving volume SnapMirror sources
  • Moving qtree SnapMirror sources
• Methods to migrate data between volumes
  • Migrating data between volumes by using SnapMirror
• Conversion of a destination to a writable volume or qtree
  • Quota restrictions
  • Converting a SnapMirror destination to a writable volume or qtree
  • After using the snapmirror break command
• Resizing a SnapMirror source and destination volume pair for a FlexVol volume
• Resizing a SnapMirror source and destination volume pair for traditional volumes
• Converting asynchronous SnapMirror replication to synchronous
• Stabilizing destinations before a Snapshot copy
  • What the quiesce command does
  • Resuming transfers after quiescing a destination
• Aborting a SnapMirror transfer
• Releasing partners from a SnapMirror relationship
• SnapMirror data transfer logs
  • Checking for SnapMirror logging
  • Turning SnapMirror logging on
  • Location of SnapMirror logs
  • Format of SnapMirror log files
  • Turning SnapMirror logging off
• Listing SnapMirror Snapshot copies
  • Naming conventions for Snapshot copies used by SnapMirror
  • Use of the snap list command to display SnapMirror updates on the destination volume
• What SnapMirror restarts and retries are
• What the snapmirror resync command does
  • Resynchronizing a SnapMirror relationship
  • How the snapmirror resync command helps minimize data loss
  • Resynchronization of FlexVol volumes
  • Testing database applications: A special use of snapmirror resync
  • Retrieving data for disaster recovery: A special use of snapmirror resync
• Operation of SnapMirror with other features and products
  • Comparison between SnapMirror and the vol copy command
  • Comparison between qtree SnapMirror and SnapVault
  • Transfer of LUN clones using qtree SnapMirror
  • Managing SnapMirror operations through theNetApp Management Console data protection capability
  • Managing SnapMirror operations through the OnCommand System Manager
  • Use of SnapMirror with SnapDrive
  • SnapMirror and MultiStore
    • Moving Qtree SnapMirror configurations across vFiler units
    • Checking qtree SnapMirror transfers in vFiler units
  • How FlexClone volumes impact SnapMirror
  • Setting up a SnapMirror relationship between two FlexClone volumes
  • Guidelines for creating a clone of a qtree SnapMirror destination volume
  • How SnapMirror works with the dump command
    • Effect of the dump command on the SnapMirror destination update schedule
  • Protection of SnapVault secondaries using volume SnapMirror
    • Migrating SnapVault data using volume SnapMirror
  • Use of SnapMirror with S Family storage systems
  • SnapMirror and ACLs
• Volume move and replication
• SnapMirror over Fibre Channel
  • Hardware requirements for SnapMirror over FC
  • Supported Fibre Channel switches
  • SnapMirror over Fibre Channel topology
  • SnapMirror traffic zones
  • Requirements for deploying SnapMirror over Fibre Channel
    • Functionality supported by SnapMirror over Fibre Channel
  • Configuring SnapMirror over Fibre Channel
  • Configuring Exchange-based SAN routing policies for Brocade SAN switches
  • Configuring Port-based SAN routing policies for Brocade SAN switches
  • Configuring Exchange-based SAN routing policies for Cisco SAN switches
  • Configuring Port-based SAN routing policies for Cisco SAN switches
  • Enabling or disabling support for out-of-order frame delivery for SnapMirror over Fibre Channel
  • Troubleshooting issues related to SnapMirror over Fibre Channel
• Troubleshooting of SnapMirror issues
  • What happens if you change a SnapMirror destination volume name
  • Accidental deletion of SnapMirror Snapshot copies
  • Space issues when volume space guarantee is enabled for a destination volume
• Data protection using SnapVault
• What SnapVault is
  • Advantages of using SnapVault
  • What data gets backed up and restored through SnapVault
  • Types of SnapVault deployment
    • What basic SnapVault deployment is
    • Primary to secondary to tape backup variation
    • Primary to secondary to SnapMirror variation
  • How SnapVault backup works
  • How SnapVault backup works for open systems
  • SnapVault support for IPv6
  • Data compression with SnapVault
  • SnapVault considerations when using Data ONTAP Edge storage systems
• Planning SnapVault backups
  • Planning primary and secondary qtree locations
  • SnapVault primary and secondary on the same system
  • Planning SnapVault backup schedule and Snapshot copy retention
  • Estimating the initial backup time
  • Limit on the number of concurrent SnapVault targets
• Enabling SnapVault
  • Enabling licenses for SnapVault
  • Setting the snapvault.enable option
  • Setting the ndmpd option
  • Setting the snapvault.access option
  • Turning off boot time cleanup of stale entries
• How to start a SnapVault backup relationship
  • Guidelines for creating a SnapVault relationship
  • Backing up qtree data
  • What non-qtree data is
  • Backing up non-qtree data
  • What volume data backup involves
    • Backing up volume data
    • Restoring a qtree to the original volume structure
• What SnapVault Snapshot copy update schedules are
  • How to avoid Snapshot copy schedule conflicts
  • Scheduling Snapshot copies on the SnapVault primary system
  • Scheduling Snapshot copy backups to the SnapVault secondary system
  • Scheduling Snapshot copies on the secondary system for archiving
  • Displaying the currently configured Snapshot copy schedule
  • Preserving older SnapVault Snapshot copies on SnapVault secondary volumes
• Unscheduling SnapVault Snapshot copies
  • Disabling Snapshot copies temporarily without unscheduling
  • Enabling Snapshot copies that are temporarily disabled
• Checking SnapVault transfers
  • Examples for checking the status
  • What the status fields mean
• Displaying SnapVault Snapshot copies
  • Displaying SnapVault Snapshot copies on a volume
  • Listing Snapshot copies for qtrees
• About LUN clones and SnapVault
  • LUN clone transfer in non-optimized mode
  • LUN clones transfer in optimized mode using SnapDrive for Windows
• How to change SnapVault settings
  • Changing settings for SnapVault backup relationships
• Why you manually update a qtree on the secondary system
  • Manually updating individual secondary system qtrees
  • Examples of how to update the Snapshot copy on the secondary system
• Why you create a Snapshot copy manually
  • Creating a Snapshot copy manually
  • Specifying a single try for SnapVault Snapshot copy creation
• Renaming a SnapVault or Open Systems SnapVault secondary volume
• Restoring SnapVault data to the primary system
  • Examples of restoring SnapVault data
  • Deleting the residual Snapshot copy
• How to abort SnapVault transfers
  • Aborting primary-to-secondary storage transfers
  • Aborting secondary-to-primary storage transfers
  • Aborting SnapVault Snapshot copy creation
• Ending SnapVault backups for a qtree
• Releasing SnapVault relationships
• Turning SnapVault off
• Compression feature of Open Systems SnapVault
  • Enabling the compression feature globally for Open Systems SnapVault relationships
  • Enabling the compression feature for a new Open Systems SnapVault relationship
  • Enabling the compression feature for an existing Open Systems SnapVault relationship
  • Disabling the compression feature globally for Open Systems SnapVault relationships
  • Disabling the compression feature for a new Open Systems SnapVault relationship
  • Disabling the compression feature for an existing Open Systems SnapVault relationship
  • Setting the default value for compression feature
  • Viewing the compression status for Open Systems SnapVault relationships
• SnapVault secondary system protection
  • How to use SnapMirror to replicate SnapVault data
  • Using backup and standby service for SnapVault
    • Re-creating the SnapVault relationship
    • Adding back the tertiary system for SnapMirror backup
    • Returning systems to the original configuration
• How to use SnapVault to protect a volume SnapMirror destination
  • Preserving a Snapshot copy
  • Unpreserving a Snapshot copy
• SnapVault behavior when used for volume SnapMirror destination protection
• Setting the options to back up a volume SnapMirror destination using SnapVault
• SnapVault and MultiStore
  • Moving SnapVault configurations across vFiler units
  • Moving a relationship between vFiler units
  • Checking SnapVault transfers in vFiler units
• Error regarding language setting changes on volumes
• Data replication using volume copy
• Benefits of using volume copy
• When to copy volumes
• IPv6 support with volume copy
• Prerequisites before copying a volume
  • Verifying the size of each volume
  • Verifying the relationship between systems
  • Verifying and changing the status of source and destination volumes
  • Enabling remote access
• Copying volumes using the vol copy command
  • Number of vol copy operations supported
  • Copying Snapshot copies with the vol copy start command
  • Copying one volume to another volume using the vol copy command
    • Error messages generated by vol copy start commands
  • Using volume copy to copy LUNs
• Checking the status of a volume copy operation
• Displaying the current speed for copying a volume
• Controlling a volume copy operation speed
• Aborting a volume copy operation
• Data mirroring using SyncMirror
• What SyncMirror is
• Advantages of using SyncMirror
• What mirrored aggregates are
• Requirements for using SyncMirror with disks
• How SyncMirror works with array LUNs
  • Implications of storage type when mirroring aggregates in a SyncMirror configuration
  • Requirements for setting up SyncMirror with array LUNs
  • SyncMirror pool assignment planning for array LUNs
  • Example of SyncMirror pool assignments for array LUNs
  • Common errors when setting up SyncMirror pools with array LUNs
  • Troubleshooting errors with SyncMirror pool assignment for array LUNs
• Considerations for using mirrored aggregates
  • How disks are assigned to plexes
  • Viewing plexes and spare pools
  • Creating a mirrored aggregate
  • Converting an aggregate to a mirrored aggregate
• Addition of disks or array LUNs to a mirrored aggregate
  • Rules for adding disks to a mirrored aggregate
  • Rules for adding array LUNs to a mirrored aggregate
  • Adding disks to a mirrored aggregate, where Data ONTAP selects the disks
  • Adding disks or array LUNs to a mirrored aggregate, where the user selects the disks
  • Adding disks to a mirrored aggregate, where the user selects the disks with assistance from Data ONTAP
• The states of a plex
  • Viewing the status of plexes
  • Changing the state of a plex
• Splitting a mirrored aggregate
• Rejoining split aggregates
• Removing a plex from a mirrored aggregate
• Comparing plexes of a mirrored aggregate
  • Stopping plex comparison
  • Suspending plex comparison
  • Resuming plex comparison
  • Viewing the status of a plex comparison
• How to avoid unnecessary RAID reconstruction when a plex fails
• Database protection using NVFAIL
• How NVFAIL protects database files
• Enabling database file protection
  • Where to look for database file verification instructions
• Adding more database file protection
• Making LUNs accessible to the host after an NVRAM failure
• Virus protection for CIFS
• How CIFS virus scanning works
• File types scanned by default
• Setting up and starting virus scanning
  • Setting up PC clients as virus-scanning clients
  • Enabling virus scanning on the system
  • Setting up secondary scanning clients
  • Setting up McAfee scan detection properties for systems
• Specifying file types to be scanned
  • Displaying file types to be scanned
  • Adding file types to be scanned
  • Replacing file types to be scanned
  • Removing file types to be scanned
  • Resetting file types to be scanned
• Excluding file types to be scanned
  • Displaying file types to exclude from scanning
  • Creating a list of file types to exclude from scanning
  • Adding file types to exclude from scanning
  • Removing file types to exclude from scanning
  • Resetting the exclude file types list to empty
• Using an inclusion list in combination with an exclusion list
• Specifying shares for scanning
  • Turning virus scanning off for any access
  • Turning scanning on for any access
  • Turning scanning off for read-only access
  • Turning scanning on for read-only access
  • Adding shares with virus scanning turned off
  • Adding shares with virus scanning turned off for read-only access
• Displaying the scanner list
  • Primary virus scanner not listed
• Checking vscan information
• Setting and resetting the request timeout for a virus scan
• Allowing file access when the scan cannot be performed
• Controlling vFiler unit usage of host system's 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
• Resolving virus scan server connectivity issues
• Glossary
• Copyright information
• Trademark information
• How to send comments about documentation and receive update notifications

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