Advanced Backup to Disk Performance White Paper

Results .............................................................................................................................................. 29
Tape Drive Write Test..................................................................................................................... 29
MSA1000 Write Test ..................................................................................................................... 29
MSA1500 Write Test ..................................................................................................................... 29
MSA1000 Read Test ...................................................................................................................... 30
MSA1500 Read Test ...................................................................................................................... 30
Backup to NULL Device................................................................................................................... 31
Backup to Tape.............................................................................................................................. 31
Advanced Backup to Disk ............................................................................................................... 33
MSA1000 to File Library (MSA1500)........................................................................................... 33
File Library (MSA1500) to Tape................................................................................................... 33
Restore ......................................................................................................................................... 34
File Library (MSA1500) to MSA1000........................................................................................... 34
Tape to MSA1000 ..................................................................................................................... 34
Observations..................................................................................................................................... 35
HP ProLiant DL380 G4 Server.......................................................................................................... 35
Tape Drives and LTT ....................................................................................................................... 35
MSA Read and Write Tests ............................................................................................................. 36
MSA1000................................................................................................................................. 36
MSA1500................................................................................................................................. 36
Backup to NULL Device................................................................................................................... 37
Backup to Tape.............................................................................................................................. 37
Advanced Backup to Disk ............................................................................................................... 38
Restore ......................................................................................................................................... 40
Tuning Recommendations ................................................................................................................... 41
General ........................................................................................................................................ 41
Fragmentation of File Library File Systems ......................................................................................... 42
Summary and Conclusions.................................................................................................................. 45
For more information.......................................................................................................................... 46