Artikelen gelabeld: deduplication

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 [...]