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…
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…
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…
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…
Oracle ASM vs ZFS on XtremIO
Background In my previous post on ZFS I showed how ZFS causes fragmentation for Oracle database files. At the end I promised (sort of) to also come back on topic around how this affects database performance. In the meantime I…