Data reduction is a capacity optimization technique in which data is reduced to its simplest possible form to free up capacity on a storage device. There are many ways to reduce data, but the idea is very simple—squeeze as much data into physical storage as possible to maximize capacity.
In this article, we’ll dive into the basics of data reduction to help you better evaluate storage vendors.
The main benefit of data reduction is pretty straightforward: The more data you can fit into a terabyte of disk space, the less capacity you’ll need to purchase. Data reduction can:
Data reduction greatly increases the efficiency of a storage system and directly impacts your total spend on capacity.
As you might guess, simply switching out your HDDs with SSDs is enough to increase the speed and performance of your NAS and SAN solutions. The benefits of an all-flash array are the same as the benefits of flash memory itself:
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Data-reduction techniques can be broadly categorized into two main types:
In practice, you can employ a combination of techniques from both categories to reduce data in your system.
Pure Storage® Purity Reduce uses five different data-reduction technologies to save space in its all-flash arrays:
Purity Reduce delivers the most granular and complete data reduction ratios in the flash storage industry:
Data reduction works on a wide variety of applications and data types, but the only way to know how it functions on your data is to try it.
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