Artikelen gelabeld: deduplication

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 – [...]

Announcing qdda 2.0


It’s almost a year since I blogged about qdda (the Quick & Dirty Dedupe Analyzer). qdda is a tool that lets you scan any Linux disk or file (or multiple disks) and predicts potential thin, dedupe and compression savings if you would move that disk/file to an All Flash array like [...]

Time for a change: Migrating Exadata to a modern All-Flash a...


  With Oracle’s uncertain SPARC future, the rise of very fast and capable All-Flash arrays and existing Exadata customers looking to refresh their hardware, I increasingly get questions on what platform we can offer as an alternative to Exadata or Supercluster. A big challenge can be to break away from the [...]

The Quick and Dirty Dedupe Analyzer – Part 1 – Hands on


As announced in my last blogpost, qdda is a tool that analyzes potential storage savings by scanning data and giving a deduplication, compression and thin provisioning estimate. The results are an indication whether a modern All-Flash Array (AFA) like Dell EMC XtremIO would be worth considering. In this (lenghty) post I [...]

The Quick and Dirty Deduplication Analyzer


The best thing about being me… There are so many “me”s. — Agent Smith, The Matrix Reloaded One of our customers reported less than optimal space savings on XtremIO running Oracle. In order to test various scenarios with Oracle I was in search of a deduplication analysis method or tool – only [...]