<div dir="ltr"><div><br></div>Roland, <div><br></div><div>After applying the following configurations, the result of DRBD9 local can reach 57095 while DRBD9 export can reach 51980. <br><div><br></div><div><div><div>drbdmanage net-options --max-buffers 80000 --resource vol3</div><div>drbdmanage net-options --max-epoch-size 20000 --resource vol3</div><div>drbdmanage net-options --sndbuf-size 512000 --resource vol3</div><div>drbdmanage disk-options --md-flushes no --resource vol3</div><div>drbdmanage disk-options --read-balancing least-pending --resource vol3</div><div>drbdmanage disk-options --al-updates no --resource vol3</div><div>drbdmanage disk-options --disk-barrier no --resource vol3</div><div>drbdmanage disk-options --disk-flushes no --resource vol3</div><div>drbdmanage disk-options --al-extents 6481 --resource vol3</div></div></div><div><br></div><div><br></div><div>The following disk options can't be applied via drbdmanage. I find if I manually configure DRBD9 and add all the options for SSD, it still can get better. So how to apply those options with drbdmanage?</div><div><br></div><div><div> c-plan-ahead 10;</div><div> resync-rate 400M;</div><div> c-max-rate 600M;</div><div> c-min-rate 10M;</div><div> c-fill-target 44K;</div></div><div><br></div><div><br></div></div><div>Anyway, I think the result is pretty good. Thanks a lot for your help!</div><div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Feb 26, 2016 at 4:52 PM, Roland Kammerer <span dir="ltr"><<a href="mailto:roland.kammerer@linbit.com" target="_blank">roland.kammerer@linbit.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Fri, Feb 26, 2016 at 09:38:05AM +0800, Mark Wu wrote:<br>
> Please note the "DRBD8 Local" is tested with a tuned configuration while<br>
> all DRBD9 tests are tested with the configurations generated by drbdmanage.<br>
<br>
</span>Then start by making the setups as equivalent as possible... You can set<br>
all the options via drbdmanage:<br>
<br>
drbdmanage list | egrep options<br>
<br>
And some examples:<br>
<a href="http://drbd.linbit.com/users-guide-9.0/s-dm-setupopts.html" rel="noreferrer" target="_blank">http://drbd.linbit.com/users-guide-9.0/s-dm-setupopts.html</a><br>
<br>
Regards, rck<br>
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