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Tiered data storage: State of the art
This article is part of the Storage magazine issue of January 2013
Tiered data storage has quickly become a storage best practice, accelerated by the use of solid-state storage. We survey how the major vendors leverage solid-state to implement effective storage tiering. Technology developments follow a predictable evolution. New functionality starts as an "exclusive" competitive feature offered by one or just a few companies, followed by vigorous industry competition of highly differentiated offerings, and finally inclusion in the "baseline" feature set of most products. Storage tiering, and more specifically automated storage tiering, has become a baseline element. Even so, significant differentiation gives storage managers a mouth-watering choice when it comes to evaluating competing solutions. This differentiation is particularly important to those organizations that seek best-of-breed products, where tiered data storage is a significant requirement. All tiering offerings have certain things in common. First, and at a minimum, the array hosts multiple physical media types, usually including ...
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Features in this issue
Solid-state storage vendors are touting "million IOPS" performance numbers. Here's what you need to know to see if those SSD performance benchmarks ring true.
Tiered data storage is now a storage best practice, accelerated by the use of solid-state storage. We survey how major vendors leverage solid-state to implement storage tiering.
NAS storage systems are the storage workhorses of most data centers; EMC's and Hitachi Data Systems' NAS entries lead a strong field in our satisfaction survey.
Convenience, preconfiguration and cost savings are among the reasons why our survey respondents say they're using converged systems.
Columns in this issue
Rich Castagna offers a list of five developments we all want to see in the data storage market in 2013 but probably won't. Why? Because vendors continue to drag their heels.
The Mayans blew it -- we're still here -- but storms like Sandy show that there's no replacement for a sound disaster recovery planning process.
ESG reviewed online file-sharing and collaboration apps to see if the market is finally maturing to a point where SMBs and enterprises alike can find a worthwhile IT investment.
An effective QoS implementation helps tunes data storage to meet the specific needs of applications. New tools that offer more automation are emerging to help.