HP Data Protector Software Performance White Paper

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Figure 35 demonstrates how performance efficient the Ultrium 960 tape drive compression is.
With the software compression disabled (default), the backup performance was 156 MB/s. With
the software compression enabled, the performance was just 46 MB/s.
Figure 35. Performance of HP-UX local backup to Ultrium 960 with software compression OFF/ON
Software Compression OFF/ON
Performance of HP-UX Local Backup to Ultrium 960
156
46
0
20
40
60
80
100
120
140
160
180
OFF ON
Software Compression
MB/s