Technical Support ............................................................................................... 4
Chapter 1 Introducing NetBackup deduplication ............................ 11
About NetBackup deduplication ...................................................... 11
About NetBackup deduplication options ..................................... 12
How deduplication works ........................................................ 14
Chapter 2 Planning your deployment ................................................ 17
Planning your deduplication deployment ......................................... 17
About the deduplication storage type ............................................... 19
About the NetBackup Media Server Deduplication Option .................... 19
About deduplication servers ..................................................... 21
About deduplication nodes ....................................................... 22
About deduplication server requirements ................................... 23
About media server deduplication limitations ............................. 23
About NetBackup Client Deduplication ............................................. 24
About client deduplication host requirements ............................. 25
About client deduplication requirements .................................... 25
About client deduplication limitations ....................................... 26
About NetBackup Deduplication Engine credentials ........................... 26
About the network interface for deduplication ................................... 27
About firewalls and the deduplication hosts ...................................... 27
About scaling deduplication ........................................................... 27
About compression and encryption ................................................. 28
About optimized duplication of deduplicated data .............................. 28
Optimized deduplication copy requirements ............................... 28
Optimized deduplication copy limitations ................................... 31
About deduplication performance ................................................... 32
How file size may affect the deduplication rate ............................ 33
Replacing the PureDisk Deduplication Option with Media Server
Deduplication on the same host ................................................ 33
Migrating from PureDisk to the NetBackup Media Server
Deduplication option .............................................................. 34
Migrating from another storage type to deduplication ........................ 35
Contents