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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>I have a system that I am building, 2 x E5-2620 with 3 x LSI 9207-8e one drive from each mirror plugged into one HBA, configuration is below<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>On reads I get about 653 MB/s (which is great) and writes 263 MB/s<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>A single drive gets around 120MB/s read and 90MB/s write and is a ST3000NM0023 sas Seagate I would assume write performance should go up with number of vdev’s however it seems to only increase by ~60%.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Is this expected?<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> NAME STATE READ WRITE CKSUM<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> tank ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> mirror-0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C50057B946C7d0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C50057B9792Bd0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C50057BA72B3d0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> mirror-1 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C50057BA7F0Bd0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C50057BFA69Bd0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C50057C1A177d0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> mirror-2 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C50057C3CDF3d0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C5005815632Fd0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C5005815650Fd0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> mirror-3 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C5005817ECF7d0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C50058185583d0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C500581C8397d0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> mirror-4 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C500581CB967d0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C500581CD21Bd0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> c4t5000C500581F147Fd0 ONLINE 0 0 0<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p></div></body></html>