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	<title>The Storage Architect &#187; Enterprise Hybrid Drives</title>
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		<title>Whatever Happened to Hybrid Drives?</title>
		<link>http://thestoragearchitect.com/2008/09/05/whatever-happened-to-hybrid-drives/</link>
		<comments>http://thestoragearchitect.com/2008/09/05/whatever-happened-to-hybrid-drives/#comments</comments>
		<pubDate>Fri, 05 Sep 2008 12:00:00 +0000</pubDate>
		<dc:creator>Chris M Evans</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[EFD]]></category>
		<category><![CDATA[EHD]]></category>
		<category><![CDATA[Enterprise Hybrid Drives]]></category>
		<category><![CDATA[Hybrid Storage Alliance]]></category>
		<category><![CDATA[Seagate]]></category>

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		<description><![CDATA[<p>Over 18 months ago, I discussed in a post (<a rel="nofollow" href="http://storagearchitect.blogspot.com/2007/01/hybrid-storage-alliance.html" >here</a>) the <a href="http://www.hybridstorage.org/index.html" >Hybrid Storage Alliance</a> who were looking to increase the performance of hard drives by adding large amounts of flash to each device. But where are they now?</p> <p>A quick check on their website shows precious little information. In fact [...]<!--Begin ClixTrac.com Rotator Code -->
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			<content:encoded><![CDATA[<p>Over 18 months ago, I discussed in a post (<a rel="nofollow" href="http://storagearchitect.blogspot.com/2007/01/hybrid-storage-alliance.html" >here</a>) the <a href="http://www.hybridstorage.org/index.html" >Hybrid Storage Alliance</a> who were looking to increase the performance of hard drives by adding large amounts of flash to each device.  But where are they now?</p>
<p>A quick check on their website shows precious little information.  In fact what&#8217;s on offer seems to point to using hybrids for just laptops and Vista.  Unless they&#8217;re working on new products, it seems to me that the manufacturers of hard drives have missed a trick.</p>
<p>EMC have made a clear stance to move towards flash (with their EFDs) but in reality they&#8217;re targeted as specific applications requiring super-fast performance.  In any case, the cost will make them prohibitive for most customers (initially, at least).  Drive speeds are fairly much plateaued at 15K (although some manufacturers are <a href="http://www.bit-tech.net/news/2008/06/06/western-digital-working-on-20-000-rpm-raptor/1" >discussing</a> 20K spin speeds) as the power/cooling issue is obviously a problem when going at faster revolutions.</p>
<p>Taking these factors into consideration isn&#8217;t there a gap in the market for Enterprise Hybrid Drives?  I&#8217;d like to stake a claim for the term EHD at this point before anyone else does <img src='http://thestoragearchitect.com/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<p>It seems to me like a logical step; manufacturers such as Seagate won&#8217;t want to give up their dominance to flash in a hurry and in any case flash is too expensive for most usages.</p>
<p>Perhaps there are issues getting EHDs to work; you wouldn&#8217;t want to spin them down (although you might accept them spinning slower); maybe there are problems with effectively filling and destaging the flash cache on the drives which requires more thought from the array manufacturers.  Either way I&#8217;m speculating but it seems there&#8217;s an opportunity there for the taking.</p>
<p>Remember, Enterprise Hybrid Drives, heard here first!!
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