<div dir="ltr">Is there a large price difference?</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Feb 8, 2013 at 4:12 PM, Sabuj Pattanayek <span dir="ltr"><<a href="mailto:sabujp@gmail.com" target="_blank">sabujp@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 class="im">On Fri, Feb 8, 2013 at 12:36 AM, Jonathan Aquilina<br>
<<a href="mailto:eagles051387@gmail.com">eagles051387@gmail.com</a>> wrote:<br>
> What kind of ssd's are we talking about here I have seen OCS has pci-express<br>
> ones or are we talking about standard sata SSD's. Is there that much of a<br>
> performance difference between pci-e and sata based ssd's in terms of<br>
> performance be it caching or otherwise.<br>
<br>
</div>Yes, latency and bandwidth per device. The PCI-E SSD cards can do more<br>
than 2GB/s, some claim nearly 3GB/s and the latency of the bus is<br>
going to be microsecond or sub-microsecond. So you get higher IOPS per<br>
device.<br>
<div class="HOEnZb"><div class="h5">_______________________________________________<br>
Beowulf mailing list, <a href="mailto:Beowulf@beowulf.org">Beowulf@beowulf.org</a> sponsored by Penguin Computing<br>
To change your subscription (digest mode or unsubscribe) visit <a href="http://www.beowulf.org/mailman/listinfo/beowulf" target="_blank">http://www.beowulf.org/mailman/listinfo/beowulf</a><br>
</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br>Jonathan Aquilina
</div>