Compaq ProLiant 1000 DDS-3 Enhancing DAT Reliability, Capacity, and Performanc - Page 12

APPENDIX: Performance Test Results

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ECG036/1297 7(&+12/2*< %5,() (cont'd) ... APPENDIX: Performance Test Results Test 1: Local backup under Microsoft Windows NT 4.0 with Cheyenne ARCserve backup software Hardware Operating system Backup software Backup drive DAT drive firmware Data set per drive RAIT level Results: ProLiant 6000 with three Pentium Pro 200MHz processors, 512 K cache, 320 MB memory, one SMART-2 Array Controller, fourteen 4.3 GB ultra-wide SCSI drives Microsoft Windows NT 4.0 Cheyenne ARCserve 6.0 (Build 516) Compaq 12/24 GB DAT Version 2.86 512 MB of 1 MB files RAIT-0 Compression Ratio 1:1 2:1 4:1 RAIT Setup 1:1 1:1 1:1 Backup Speed (MB/min) 48.31 91.26 132.01 Restore Speed (MB/min) 48.38 90.99 132.01 Image or Fileby-File (FBF) FBF FBF FBF 1:1 1:1 48.71 43.65 Image 2:1 1:1 90.79 45.66 Image 4:1 1:1 130.65 65.05 Image 2:1 2:1 90.72 90.45 FBF 4:1 2:1 254.12 135.53 FBF 2:1 2:1 90.00 45.26 Image 4:1 2:1 239.85 68.52 Image 2:1 2:2 183.62 109.65 FBF 4:1 2:2 224.22 245.92 FBF 2:1 2:2 168.62 92.43 Image 4:1 2:1 237.99 116.29 Image 2:1 4:1 176.20 178.26 FBF 4:1 4:1 260.64 222.59 FBF 2:1 4:2 162.38 86.69 Image 4:1 4:2 232.61 115.43 Image 

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APPENDIX: Performance Test Results
Test 1: Local backup under Microsoft Windows NT 4.0 with
Cheyenne ARCserve backup software
Hardware
ProLiant 6000 with three Pentium Pro 200MHz
processors, 512 K cache, 320 MB memory, one
SMART-2 Array Controller, fourteen 4.3 GB ultra-wide
SCSI drives
Operating system
Microsoft Windows NT 4.0
Backup software
Cheyenne ARCserve 6.0 (Build 516)
Backup drive
Compaq 12/24 GB DAT
DAT drive firmware
Version 2.86
Data set per drive
512 MB of 1 MB files
RAIT level
RAIT-0
Results:
Compression
Ratio
RAIT Setup
Backup Speed
(MB/min)
Restore Speed
(MB/min)
Image or File-
by-File (FBF)
1:1
1:1
48.31
48.38
FBF
2:1
1:1
91.26
90.99
FBF
4:1
1:1
132.01
132.01
FBF
1:1
1:1
48.71
43.65
Image
2:1
1:1
90.79
45.66
Image
4:1
1:1
130.65
65.05
Image
2:1
2:1
90.72
90.45
FBF
4:1
2:1
254.12
135.53
FBF
2:1
2:1
90.00
45.26
Image
4:1
2:1
239.85
68.52
Image
2:1
2:2
183.62
109.65
FBF
4:1
2:2
224.22
245.92
FBF
2:1
2:2
168.62
92.43
Image
4:1
2:1
237.99
116.29
Image
2:1
4:1
176.20
178.26
FBF
4:1
4:1
260.64
222.59
FBF
2:1
4:2
162.38
86.69
Image
4:1
4:2
232.61
115.43
Image