Advanced Backup to Disk Performance White Paper

Test Data
Each LUN is loaded with 49.8 GB typical or 49.2 GB small files as previously described in chapter
Test Data.
Library and Tape Tools
The tape drive write tests are executed with the HP industry-leading Library and Tape Tools
diagnostics (downloadable from
http://www.hp.com/support/tapetools).
The tool is configured to create:
• Zeros with 64 KB block size
• 2:1 compressible data with 64 KB block size
• 2:1 compressible data with 256 KB block size
Figure 28. Library and Tape Tools – Zeros with 64 KB Block Size
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