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VERITAS NetBackup 8.1.1
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Veritas NetBackup™
Deduplication Guide
UNIX, Windows, Linux
Release 8.1.1
Veritas NetBackup™ Deduplication Guide
Last updated: 2018-02-16
Document version:NetBackup 8.1.1
Legal Notice
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Chapter 1 Introducing the NetBackup media server
deduplication option .................................................... 12
About the NetBackup deduplication options ....................................... 12
New MSDP features in NetBackup 8.1.1 ........................................... 13
Chapter 2 Planning your deployment .............................................. 14
Planning your MSDP deployment .................................................... 15
NetBackup naming conventions ...................................................... 16
About MSDP deduplication nodes .................................................... 17
About the NetBackup deduplication destinations ................................. 17
About MSDP storage capacity ......................................................... 18
About MSDP storage and connectivity requirements ............................ 19
Fibre Channel and iSCSI comparison for MSDP ........................... 21
About NetBackup media server deduplication ..................................... 22
About MSDP storage servers .................................................... 24
About MSDP load balancing servers .......................................... 25
About MSDP server requirements .............................................. 25
About MSDP unsupported configurations .................................... 27
About NetBackup Client Direct deduplication ...................................... 27
About MSDP client deduplication requirements and limitations
..................................................................................... 28
About MSDP remote office client deduplication ................................... 29
About MSDP remote client data security ..................................... 30
About remote client backup scheduling ....................................... 30
About the NetBackup Deduplication Engine credentials ........................ 30
About the network interface for MSDP .............................................. 31
About MSDP port usage ................................................................ 32
About MSDP optimized synthetic backups ......................................... 33
About MSDP and SAN Client .......................................................... 33
About MSDP optimized duplication and replication .............................. 34
About MSDP performance .............................................................. 34
How file size may affect the MSDP deduplication rate .................... 35
About MSDP stream handlers ......................................................... 35
MSDP deployment best practices .................................................... 36
Use fully qualified domain names ............................................... 36
Contents
About scaling MSDP ............................................................... 36
Send initial full backups to the storage server ............................... 37
Increase the number of MSDP jobs gradually ............................... 37
Introduce MSDP load balancing servers gradually ......................... 38
Implement MSDP client deduplication gradually ............................ 38
Use MSDP compression and encryption ..................................... 39
About the optimal number of backup streams for MSDP ................. 39
About storage unit groups for MSDP .......................................... 39
About protecting the MSDP data ................................................ 40
Save the MSDP storage server configuration ............................... 40
Plan for disk write caching ........................................................ 41
Chapter 3 Provisioning the storage .................................................. 42
About provisioning the storage for MSDP .......................................... 42
Do not modify MSDP storage directories and files ............................... 44
About adding additional MSDP storage ............................................. 44
About volume management for NetBackup MSDP ............................... 45
Chapter 4 Licensing deduplication ................................................... 46
About the MSDP license ................................................................ 46
Licensing NetBackup MSDP ........................................................... 47
Chapter 5 Configuring deduplication ............................................... 48
Configuring MSDP server-side deduplication ...................................... 50
Configuring MSDP client-side deduplication ....................................... 53
About the MSDP Deduplication Multi-Threaded Agent .......................... 54
Configuring the Deduplication Multi-Threaded Agent behavior ............... 56
MSDP mtstrm.conf file parameters ............................................. 56
Configuring deduplication plug-in interaction with the Multi-Threaded
Agent ................................................................................... 61
About MSDP fingerprinting ............................................................. 62
About the MSDP fingerprint cache ................................................... 63
Configuring the MSDP fingerprint cache behavior ............................... 64
MSDP fingerprint cache behavior options .................................... 64
About seeding the MSDP fingerprint cache for remote client
deduplication ......................................................................... 65
Configuring MSDP fingerprint cache seeding on the client .................... 67
Configuring MSDP fingerprint cache seeding on the storage server
........................................................................................... 68
NetBackup seedutil options ...................................................... 70
Enabling 96-TB support for MSDP ................................................... 71
5Contents
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