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Symantec NetBackup
™
Deduplication Guide
Release 7.0
20654102
Contents
Main
Symantec NetBackupDeduplication Guide
Legal Notice
Page
Technical Support
Contacting Technical Support
Licensing and registration
Customer service
Maintenance agreement resources
Additional enterprise services
Contents
Technical Support Chapter 1 Introducing NetBackup deduplication
Chapter 2 Planning your deployment
Chapter 3 Provisioning the storage
Chapter 4 Installing deduplication
Chapter 5 Configuring deduplication
Chapter 6 Managing deduplication
Chapter 7 Troubleshooting
Chapter 8 Disaster recovery
Chapter 9 Deduplication architecture
Index
Introducing NetBackup deduplication
About NetBackup deduplication
About NetBackup deduplication options
Table 1-1 NetBackupdeduplication options DescriptionType
How deduplication works
Page
Page
Planning your deployment
Planning your deduplication deployment
Table 2-1 Deploymentoverview Where to find the informationDeployment task
About the deduplication storage type
About the NetBackup Media Server Deduplication Option
Page
Figure 2-1 NetBackup media server deduplication
Table 2-2 describes the servers that are used for NetBackup deduplication.
About deduplication servers
About deduplication nodes
About deduplication server requirements
About media server deduplication limitations
About NetBackup Client Deduplication
About client deduplication host requirements
About client deduplication requirements
About client deduplication limitations
About NetBackup Deduplication Engine credentials
About the network interface for deduplication
About firewalls and the deduplication hosts
About scaling deduplication
About compression and encryption
About optimized duplication of deduplicated data
Optimized deduplication copy requirements
Page
Page
Optimized deduplication copy limitations
About deduplication performance
How file size may affect the deduplication rate
Replacing the PureDisk Deduplication Option with Media Server Deduplication on the same host
Migrating from PureDisk to the NetBackup Media Server Deduplication option
Migrating from another storage type to deduplication
Table 2-7 Migratingto NetBackup deduplication (continued)
Provisioning the storage
About provisioning the storage
About deduplication storage requirements
About deduplication storage capacity
About the deduplication storage paths
Page
Page
Installing deduplication
About installing deduplication
About the deduplication license key
Licensing NetBackup deduplication
1
2 3
4 5
Page
Table 4-1 Howto replace the deduplication storage server host (continued)
Uninstalling media server deduplication
Page
Table 4-2 Disablemedia server deduplication (continued)
Configuring deduplication
Configuring deduplication
Configuring a deduplication storage server
1
2 3
About deduplication pools
Configuring a deduplication pool
1
2
3
Media server deduplication pool properties
Table 5-2 Mediaserver deduplication pool properties (continued) DescriptionProperty
Configuring a deduplication storage unit
2 3
Deduplication storage unit properties
Deduplication storage unit recommendations
Increase the Maximum concurrent jobs gradually
Configure a client-to-server ratio
Throttle traffic to the media servers
Enabling client deduplication
4
5
Configuring backups
Configuring optimized deduplication copy
1
2
Configuring optimized deduplication copy behavior
Adding a load balancing server
Page
About the deduplication configuration file
Editing the deduplication configuration file
1
2
3
pd.conf file settings
Table 5-4 pd.conffile values (continued) ActionPossible valuesDefault valueSetting
Warning:
Caution:
Reconfiguring the deduplication storage server and storage paths
Page
Managing deduplication
Managing deduplication servers
Changing deduplication storage server properties
Deleting a deduplication storage server
Determining the deduplication storage server state
Getting the storage server configuration
Editing a storage server configuration file
1
2
Setting the storage server configuration
Deleting a load balancing server configuration file
Removing a load balancing server
1
2
3
4
5 6
Viewing deduplication storage servers
Viewing deduplication storage server attributes
Resetting the deduplication registry
1
2
Managing NetBackup Deduplication Engine credentials
Adding NetBackup Deduplication Engine credentials
Changing NetBackup Deduplication Engine credentials
Deleting credentials from a load balancing server
Determining which media servers have deduplication credentials
2 3
Managing deduplication disk pools
Changing deduplication disk pool properties
1
2
Changing the deduplication pool state
Changing the deduplication disk volume state
1
2
Deleting a deduplication pool
2 3 4
Determining the deduplication pool state
2 3
Determining the deduplication disk volume state
Viewing deduplication disk pools
Monitoring deduplication activity
Monitoring the deduplication rates
Viewing disk reports
Table 6-1 Diskreports DescriptionReport
To view disk reports
1
>Reports > Disk Reports.
2 3 4
Monitoring deduplication processes
Monitoring deduplication logs
Deduplication configuration script log
NetBackup Deduplication Engine log
NetBackup Deduplication Manager logs
Deduplication database log
1
2
3 4
PureDisk plug-in log
Client deduplication proxy plug-in log
Client deduplication proxy server log
About VxUL logs
Monitoring deduplication storage capacity and usage
About deduplication capacity and usage reporting
Table 6-3 Capacityand usage reporting (continued) DescriptionOption
About deduplication container files
Viewing capacity within deduplication container files
Deleting backup images
1
2
Disabling deduplication for a client
1
Page
Page
Troubleshooting
Troubleshooting installation issues
Installation on SUSE Linux fails
Troubleshooting configuration issues
Cannot configure deduplication storage server
4
5
The disk pool wizard does not display a volume
Troubleshooting operational issues
Verify that the server has sufficient memory
Backup jobs fail
Volume state changes to DOWN when volume is unmounted
Errors, delayed response, hangs
Viewing disk errors and events
Deduplication event codes and messages
Table 7-1 Deduplicationevent codes and messages
Page
Table 7-1 Deduplicationevent codes and messages (continued)
Page
Page
Disaster recovery
Preparing for disaster
Moving images off-site
Recovering from a deduplication storage server disk failure
Table 8-1 Processto recover from media server disk failure (continued)
Recovering from a permanent deduplication storage server failure
Page
Recovering the storage server after NetBackup catalog recovery
Page
Deduplication architecture
Deduplication server components
Figure 9-1 Storage server deduplication components
Table 9-1 describes the components. Table 9-1 NetBackupdeduplication components DescriptionComponent
Table 9-1 NetBackupdeduplication components (continued) DescriptionComponent
Media server deduplication process
Page
Page
Deduplication client components
Deduplication client backup process
Page
Page
About deduplication fingerprinting
Data removal process
Index
A
B
C
D
E
F
G
H
I
L
M
R
S
T
U