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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I’ve tried different pool configurations. Currently I have two pools: the 5 ssd’s in a raidz and the 3TB’s in a raidz. I get the same result from both because
the cache is so large. With sync off, I get the same speed on both pools because it is just writing/reading to/from ram. I feel like there is enough hardware and was hoping to get better speed than this with more SSD’s. I am assuming that if I setup some kind
of ramdisk, I would still only get the 400MB/s over FC. Reading and writing to the pool(s) locally produces multiple GB/s.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Randy S [mailto:sim.ple@live.nl]
<br>
<b>Sent:</b> Wednesday, August 20, 2014 4:57 AM<br>
<b>To:</b> Kyle Bruene<br>
<b>Subject:</b> RE: [OmniOS-discuss] Fibre Channel performance on OmniOS<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Calibri","sans-serif"">Hi ,<br>
<br>
Indeed some heavy duty hardware but how did you organize your pool ?<br>
<br>
<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Calibri","sans-serif"">From:
<a href="mailto:KBruene@simmonsperrine.com">KBruene@simmonsperrine.com</a><br>
To: <a href="mailto:omnios-discuss@lists.omniti.com">omnios-discuss@lists.omniti.com</a><br>
Date: Tue, 19 Aug 2014 19:01:07 +0000<br>
Subject: [OmniOS-discuss] Fibre Channel performance on OmniOS<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">Hi everyone,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">Last year we built a “SAN” based on OmniOS r151008. Here are the specs:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">2 x Xeon 6-core SNB<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">128GB DDR3 ECC<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">2 x 4 Port 4gbps Qlogic Fibre Channel cards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">2 x 8 port 6gbps SAS controllers<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">2 x Brocade fibre switches.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">5 x 1TB Crucial M550 SSD<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">5 x 3TB Seagate 7200rpm HDD<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">My issue is that I am only able to read/write to it at about 400-500MB/s sequential. There is plenty of cache so it seems like I should be able to get more speed with multipathing on. The
hosts that are connecting to it are Windows Server 2012, but I’ve also tried an Ubuntu box with the same result. Is there anything I need to do on the OmniOS box to allow hosts to multipath to it? I’ve tried both Round Robin, Least Blocks, and Least Queue
with no additional speed. It will use all the paths but will not go beyond that 500ish MBps limit. Does anyone have any insight into multipathing best practices?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">Thanks.<o:p></o:p></span></p>
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_______________________________________________ OmniOS-discuss mailing list <a href="mailto:OmniOS-discuss@lists.omniti.com">
OmniOS-discuss@lists.omniti.com</a> <a href="http://lists.omniti.com/mailman/listinfo/omnios-discuss">
http://lists.omniti.com/mailman/listinfo/omnios-discuss</a><o:p></o:p></span></p>
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