Tiering/Caching

SSD Presence Growing at Oracle OpenWorld

At Oracle’s October OpenWorld conference in San Francisco more exhibit hall space was dedicated to SSDs this year than  ever before.  That’s because Oracle runs faster on systems with SSDs than on systems without.

Even Oracle ships SSDs in its popular Exadata system, and the company recently announced that it had shipped over 1,000 installations since its introduction in 2009. Continue reading

An HDD Cache for an SSD?

University of TorontoA colleague – Isilon’s Rob Peglar – pointed out an interesting paper written by researchers at the University of Toronto in collaboration with Microsoft.  The paper makes a case for using an HDD to cache writes to an SSD to improve storage system performance.

“Wait a minute!” you say.  “An HDD as a cache for an SSD?  This can’t be possible!” Continue reading