EMC World – Day 4 – VNX: FAST Cache improvements in R32

Hitachi Ultrastar SSD400S SSD FamilyThis is the second post in a (mini-)series on VNX Performance and how to leverage SSD in VNX systems. You can find part one on skew and data placement over here. This post will dive deeper into the FAST Cache improvements that have been added in VNX OE R32.

If you’ve got SSD drives in a VNX you can use it in two ways: as FAST Cache or as an extreme performance tier in your storage pools (FAST VP). Either of these implementations has advantages and disadvantages and they can also be used concurrently (i.e. use FAST Cache AND FAST VP). It depends on what you want to do…

The last post ended with some improvements in VNX OE R32. But there is more…

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EMC World – Day 4 – VNX: Skew & Data Placement

Hitachi Ultrastar SSD400S SSD FamilyThe last breakout session I attended at EMC World 2013 was titled “Leveraging SSD: Designing for FAST Cache & FAST VP on Unified Storage”. By far one of the best breakout sessions of the week for me: technical and I can apply it in the field on pretty much a daily basis!

If you’ve got SSD drives in a VNX you can use it in two ways: as FAST Cache or as an extreme performance tier in your storage pools (FAST VP). Either of these implementations has advantages and disadvantages and they can also be used concurrently (i.e. use FAST Cache AND FAST VP). It depends on what you want to do…

But let’s start at the beginning: first you need to figure out your skew! What?!

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