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HP Data Protector 6.0 software Advanced Backup to
Disk performance white paper
Executive summary............................................................................................................................... 3
Objective and target audience .............................................................................................................. 4
Introducing HP Data Protector 6.0 software ............................................................................................ 4
File library....................................................................................................................................... 4
Object copy .................................................................................................................................... 4
Basics of backup performance............................................................................................................... 5
Disk–to-Disk to-Tape (D2D2T) data protection architecture......................................................................... 7
Use cases........................................................................................................................................ 8
Configuration...................................................................................................................................... 9
Test environment overview ................................................................................................................ 9
HP ProLiant DL380 G3 server ............................................................................................................ 9
Primary Disk Array—HP StorageWorks MSA1000 ............................................................................ 10
Secondary Disk Array—HP StorageWorks MSA1500 ........................................................................ 11
RAID 0 and one logical array ...................................................................................................... 12
RAID 0 and four logical arrays..................................................................................................... 13
RAID 1 and one logical array ...................................................................................................... 14
RAID 1+0 and three logical arrays ............................................................................................... 15
RAID 5 and two logical arrays..................................................................................................... 16
SAN infrastructure.......................................................................................................................... 17
Tape drive..................................................................................................................................... 18
HP Data Protector 6.0 software........................................................................................................ 20
Internal Database (IDB) logging level ............................................................................................ 21
File library................................................................................................................................. 22
File system tree walk ................................................................................................................... 24
Test data........................................................................................................................................... 25
HPCreateData ............................................................................................................................... 25
Typical files ................................................................................................................................... 25
Small files ..................................................................................................................................... 26
HPReadData.................................................................................................................................. 27
Library and Tape Tools ................................................................................................................... 28
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