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        <h1 class="page-header"><span>“Almost 15 years …never seen a failure...”</span>
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  <article role="article" about="/almost-15-years-never-seen-failure" class="case-study is-promoted full clearfix">

  
    

  
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            <div class="field field--name-field-organisation field--type-string field--label-hidden field--item">Tape Replacement Ltd</div>
      
            <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><p dir="ltr">The DDS range of digital data storage solutions from Tape Replacement Ltd deliver a modern, solid state data storage unit designed specifically to replace out-dated magnetic tape, magneto optical, disc hard-drive units such as those used within legacy telephone switching systems. This saves companies such as telcos, and ultimately their customers, millions of dollars in upgrade costs as well as improving overall system reliability and keeping functioning equipment from being dumped in landfills.</p>

<p dir="ltr">The storage layer is made up of two independent stacks of NAND chips, combined using a RAID-1 structure, using YAFFS to expose this to the application.</p>

<p dir="ltr">According to Andre Renaud, Engineering Manager at Tape Replacement:</p>

<blockquote>
<p dir="ltr">“We've been running the units for almost 15 years now, and we have never seen a failure of the underlying YAFFS/NAND storage system. YAFFS provides us with a fast, reliable storage mechanism which is especially useful given the changes in NAND technologies over the years, and the intricate technical details of their behaviour.”</p>
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