<div dir="ltr">Hi, Philipp<div><br></div><div>Thank you for your answer.</div><div><br></div><div>But I don't understand. </div><div><br></div><div>If a primary's lowest bit must be 1 as your comment, <span style="font-size:14px"><b>0006A4E400035276(primary's current uuid)</b> is not (6 is 011<b>0</b>), lowest bit is zero.</span></div><div><span style="font-size:14px"><br></span></div><div><span style="font-size:14px">primary's uuid and secondary's uuid is same (</span><span style="font-size:14px">0006A4E400035276, is even number.) in my case.</span></div><div><span style="font-size:14px"><br></span></div><div><span style="font-size:14px">I think that 0006A4E40003527<b>7</b> is a correct value. Isn't it?</span></div><div><br></div><div>This test result is reproduced in drbd9, and a different part with drbd8.x.</div><div><br></div><div>in drbd8.x, primary's current uuid is a always odd number(lowest bit is 1).</div><div><br></div><div><br></div><div><br></div><div>scenario:</div><div><br></div><div>after initial full sync, change node1's role to secondary, and again change to primary.<br></div><div><br></div><div>at this point, node1(pri)'s current uuid is equal to secondary from 'drbdadm get-gi'. </div><div><br></div><div><br></div><div><br></div><div><br></div><div><span style="font-size:14px">Thanks.</span></div><div><span style="font-size:14px"><br></span></div><div><span style="font-size:14px">Best Regards,</span></div><div><span style="font-size:14px">Sung-eun Kim</span></div><div><span style="font-size:14px"><br></span></div><div><span style="font-size:14px"><br></span></div><div><span style="font-size:14px"><br></span></div><div><br></div><div><br></div><div><br></div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><p style="margin:0cm 0cm 0pt"><img src="cid:image001.png@01D0F522.B2A586F0" alt="설명: logo"></p><p style="font-size:small;margin:0cm 0cm 0.0001pt;background-image:initial;background-repeat:initial"><font face="verdana, sans-serif"><span style="font-size:10pt;color:black">Technical Research Center<span lang="EN-US"> </span><span lang="EN-US">/ </span>DRBD Team</span><span lang="EN-US" style="font-size:10.5pt;color:rgb(136,136,136)"></span></font></p><p style="font-size:small;margin:0cm 0cm 0.0001pt;background-image:initial;background-repeat:initial"><font face="verdana, sans-serif"><span style="font-size:10pt;color:black"><span lang="EN-US">Principal Research Engineer</span></span></font></p><p style="font-size:small;margin:0cm 0cm 0pt"></p><p style="font-size:small;margin:0cm 0cm 0.0001pt;background-image:initial;background-repeat:initial"><font face="verdana, sans-serif"><b><span style="color:black"><span lang="EN-US"><span style="font-size:14px">Sung-eun Kim</span><span style="font-size:10pt"> </span><a href="mailto:sekim@mantech.co.kr" style="color:rgb(17,85,204);font-size:10pt" target="_blank">sekim@mantech.co.kr</a></span></span></b><span lang="EN-US" style="font-size:10.5pt;color:rgb(136,136,136)"></span></font></p><p style="font-size:small;margin:0cm 0cm 0.0001pt;line-height:21px"><font color="#000000" face="verdana, sans-serif"><span style="font-size:8pt;line-height:16px">202 Fl, Seoulforest Kolon digital Tower, 308-4, Seongsudong 2ga, Seongdong-gu, Seoul, Korea</span></font></p><p style="font-size:small;margin:0cm 0cm 0.0001pt;line-height:21px"><span style="font-size:8pt;line-height:16px;color:rgb(0,0,0);font-family:verdana,sans-serif">Tel : 02-2136-6913 / Fax : 02-575-4858 / Call Center : 1833-7790</span></p><p style="margin:0cm 0cm 0.0001pt;line-height:21px"><span lang="EN-US" style="color:rgb(0,0,0);font-family:verdana,sans-serif;font-size:8pt;line-height:16px"><a href="http://www.mantech.co.kr/" style="color:rgb(17,85,204)" target="_blank">http://www.mantech.co.kr</a></span><span lang="EN-US" style="color:rgb(0,0,0);font-family:verdana,sans-serif;font-size:8pt;line-height:16px"> </span><font color="#000000" face="verdana, sans-serif"><span lang="EN-US" style="font-size:8pt;line-height:16px"><br></span></font></p><p style="margin:0cm 0cm 0.0001pt;line-height:21px"><img src="cid:ii_150a68c3811acf54" alt="본문 이미지 1" width="400" height="160" style="line-height:normal"><br></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">2016-08-25 1:59 GMT+09:00 Philipp Reisner <span dir="ltr"><<a href="mailto:philipp.reisner@linbit.com" target="_blank">philipp.reisner@linbit.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Sung-eun,<br>
<br>
Only 63 bits are random. We encode the current role (Primary = 1)<br>
into the lowest bit. When comparing the UUIDs the lowest bit<br>
is ignored.<br>
<br>