<div dir="ltr">Hi drbd-users,<div><br></div><div>Recently, I've been testing windrbd, but I can't seem to achieve more than 100 Mbps (~12mb/s) throughout, even thought the network between my nodes is 1Gpbs or more, with a simple UNC share between hosts I get 100mb/s.</div><div><br></div><div><div>Drbd documentation mentions to adjusting c- parameters, but I still can't increase the performance.<br></div><div><br></div><div>Surely I must be doing something wrong, here is my example config:</div><div><pre style="box-sizing:border-box;overflow:auto;font-size:14px;padding:1em;margin-top:0px;margin-bottom:10px;line-height:1.1em;word-break:break-all;color:black;background-color:rgb(249,249,249);border:1px dashed rgb(47,111,171);border-radius:4px"> protocol C;
net {
use-rle no;
max-buffers 8000;
max-epoch-size 8000;
sndbuf-size 0;
}
disk {
c-plan-ahead 5;
c-max-rate 125M;
c-min-rate 30M;
c-fill-target 2M;
al-extents 6007;
no-disk-barrier;
no-disk-flushes;
}
</pre><br class="gmail-Apple-interchange-newline"></div></div><div>Have you done any performance testing on WinDRBD?</div><div>Another feature I'm missing is converting an existing NTFS volume with its data to be used by drbd? </div><div>Checksum support is another feature that I couldn't get working on windows, any hints?</div><div>Kind regards,</div><div>Max</div></div>