http://www.pythian.com/news/27201/oracle-database-appliance-storage-performance-part-1/
http://www.nocoug.org/Journal/NoCOUG_Journal_201202.pdf
To summarize, you can expect ODA to deliver easily 3000 IOPS whether read or write with average IO response time up to 10ms and almost double that if you can afford average random IO response time to raise up to 20 ms.
We can also conclude that write activity has minimal impact on throughout as you would expect from a non-RAID5 system
ODA it’s configured to present disks as JBOD so that ASM is in charge of mirroring and striping.
Everything Changes
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I saw a recent tweet (on Bluesky) from SQLDaily highlighting a blog note
that Lukas Eder wrote in 2016 with the title: “Avoid using COUNT() in SQL
when you...
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