What does a Block-Level Tiered Volume look like?
Posted: March 17th, 2010 | Author: Fabio Rapposelli | Filed under: Storage, Virtualization | Tags: Compellent, Data Progression, Storage, Tiering, Virtualization | 1 Comment »
So, here we go, here’s my first english language post, please be nice and don’t throw me stuff for my bad english. 
Last week I had a discussion with Dimitris Krekoukias on storage performance estimation and we ended up discussing Compellent technology in great detail. We talked a lot and I’ve been very verbose on the topic but I didn’t include a single image showing how actually a volume is represented in the Compellent Storage Center array so here we go, here’s a shot from a customer of mine who’s the first Italian Compellent customer (first deployed in 2008):
As you can see the statistics shows where the data for this Volume (or LUN) is located, the “Replay” space is the Snapshot space used, the “Active” space is the changed data since the last snapshot taken (this screenshot was taken a couple of minutes after the latest snapshot).
Feel free to comment and ask question about that!.
Fabio
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