Exadata Smart Flash Cache – a note of understanding

Saurabh K. Gupta's Oracle Blog

I thought of publishing this post to serve as a note of understanding on Smart Flash Cache in an Exadata database system. It outlines the general behavior and working mechanism of flash in co-ordination with storage intelligence. Here we go –

Exadata Smart Flash Cache
The Oracle Exadata is meant to deliver high performance through its smart features. One of its smartly carved out feature is intelligent and very smart flash cache. The flash cache is a hardware component configured in the exadata storage cell server which delivers high performance in read and write operations. There are four flash cards in each of the storage cell and each flash card contains a flash disk. In total, there are 16 flash disk contained by a single storage cell server.

In Exadata x3 version, the flash cache capacity has been increased by four times, 40 times the response speed and 100GB/sec…

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