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Bit rot eroding RAID
This article is part of the Storage magazine issue of July 1, 2012
RAID’s roots run deep and the technology does a decent job of data protection, but a little math and an open mind might lead you to some better alternatives. Recently, in preparation for a talk I’m delivering this year at Storage Decisions (SD), I’ve been reacquainting myself with the latest technologies and methodologies for data protection. Naturally, this included rereading the many articles and blogs that, for the past few years, have constituted a debate framed as the “death of RAID.” I find “death of” articles amusing. We’ve repeatedly been told that tape was dead (Gartner killed it in 1999, SANs killed it in 2000, deduplicating VTLs stuck a fork in it in 2005 and so on). We’ve been hearing since the 1980s that mainframes were dead (despite the hockey stick revenues that CA Technologies, IBM and others have generated from big iron over the past few years) and more recently that PCs are dead (replaced by tablets and smartphones or VDI technology that never quite seems to catch on). Application service providers and storage ...
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Features in this issue
For many companies, business depends on the performance of their database applications. Here’s how to ensure your storage systems are providing all the help the database apps need.
10 Gbps Ethernet is here, with plenty of products available, so it’s only a matter of time before most data storage shops decide to step up from 1 GigE to 10 GigE.
Eighty percent of respondents do some kind of archiving, with half archiving to meet regulatory requirements and half focused on managing capacity and performance.
Virtual desktop environments can strain conventional hard drive storage systems, but strategically placed solid-state storage devices can boost performance.
Columns in this issue
Storage buying criteria has changed over the years, partly because of smaller budgets but also because the products often lack distinction.
RAID’s roots run deep and the technology does a decent job of data protection, but a little math and an open mind might lead you to some better alternatives.
A recent ESG survey highlights the growing importance of big data analytics and its increasing relevance to the storage market.
Continuous data protection (CDP) was bleeding-edge a few years ago, but it’s re-emerging as the best technology for protecting organization's virtual environments.