QDDA update – 2.2


Quick post to announce QDDA version 2.2 has been published on Github and in the Outrun-Extras YUM repository.

Reminder: The Quick and Dirty Dedupe Analyzer is an Open Source Linux tool that scans disks or files block by block to find duplicate blocks and compression ratios, so that it can report – in detail – what the expected data reduction rate is on a storage array capable of these things. It can be downloaded as standalone executable (QDDA download), as RPM package via YUM or compiled from source (QDDA Install)

QDDA 2.2 adds:

  • DellEMC VMAX and PowerMAX support (using the DEFLATE compression algorithm)
  • bash-completion (by entering <TAB> on the command line, RPM version only)
  • Improved options for custom storage definitions
  • Internal C++ code improvements (not relevant to the normal user)

Note to other storage vendors: If you’d like your array to be included in the tool, drop me a note with dedupe/compression algorithm details and I’ll see what is possible.

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