HP Data Protector Software Performance White Paper

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Figure 50 demonstrates that enabling CRC checking required additional system resources. The
CRC ON test resulted in approximately 20% performance decrease.
Figure 50. Performance of HP-UX local backup to Ultrium 960 with CRC checking OFF/ON
Data Protector CRC Check OFF/ON
Performance of HP-UX Local Backup to Ultrium 960
156
124
0.00
20.00
40.00
60.00
80.00
100.00
120.00
140.00
160.00
180.00
OFF ON
CRC Check
MB/s