<div dir="ltr">For most intents and purposes an Enterprise system will be using RAID controllers, with acceleration, so a SD card IS not a benefit. I have a Dell with SD single level drive that is slower, but it's probably due to Microsoft 7.</div>
<div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Apr 2, 2013 at 1:37 PM, Eric Cope <span dir="ltr"><<a href="mailto:eric.cope@gmail.com" target="_blank">eric.cope@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">There are two major types of SSDs. Multi-level cells and single-level cells. Multi-level are cheaper and denser, but fail sooner and are slower. Single level are more expensive, but should fail less often. <div>
<br></div><div>With respect to performance, I'd be more suspicious of the software (and OS for that matter) controlling the drives rather than the drives themselves. If the OS is tuned for HDD, then SSDs may not gain any benefit. </div>
<div><br></div><div>The High Performace MySQL blog posts data on SSD performance. Its a good reference point.</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>Eric</div></font></span></div><div class="HOEnZb">
<div class="h5"><div class="gmail_extra"><br><br><div class="gmail_quote">
On Tue, Apr 2, 2013 at 1:24 PM, Lisa Kachold <span dir="ltr"><<a href="mailto:lisakachold@obnosis.com" target="_blank">lisakachold@obnosis.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">I have also found that in deference to their claims some of the SSDs are SLOWER than regular enterprise drives. <div>I believe this new technology leaves a lot to be desired.</div></div><div class="gmail_extra">
<br><br><div class="gmail_quote"><div>On Tue, Apr 2, 2013 at 12:27 PM, Derek Trotter <span dir="ltr"><<a href="mailto:expat.arizonan@gmail.com" target="_blank">expat.arizonan@gmail.com</a>></span> wrote:<br>
</div><div><div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
I have a question about SSDs. I've read that they like the USB thumb drives can be written to a certain number of times before they fail. What is the expected lifetime of an SSD? They're terribly expensive if they're only going to last 2 or 3 years.<span><font color="#888888"><br>
<br>
Derek<br>
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