<div dir="ltr"><div>So the slave will catch up afterwards. Excellent.<br><br></div>Thanks<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Sep 24, 2013 at 5:19 PM, Dan Barker <span dir="ltr"><<a href="mailto:dbarker@visioncomm.net" target="_blank">dbarker@visioncomm.net</a>></span> wrote:<br>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Wow! Those are some old versions!<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Just “drbdadm disconnect all” on the Primary node before the maintenance and “drbdadm connect all” afterwards. All else is magic!<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Dan<u></u><u></u></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""> <a href="mailto:drbd-user-bounces@lists.linbit.com" target="_blank">drbd-user-bounces@lists.linbit.com</a> [mailto:<a href="mailto:drbd-user-bounces@lists.linbit.com" target="_blank">drbd-user-bounces@lists.linbit.com</a>]
<b>On Behalf Of </b>Gabriel Sosa<br>
<b>Sent:</b> Tuesday, September 24, 2013 11:08 AM<br>
<b>To:</b> <a href="mailto:drbd-user@lists.linbit.com" target="_blank">drbd-user@lists.linbit.com</a><br>
<b>Subject:</b> [DRBD-user] Fwd: how to place secondary node in maintenance mode<u></u><u></u></span></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">We have a pretty standard setup<u></u><u></u></p>
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<p class="MsoNormal">MASTER <---> SLAVE (STANDBY)<br clear="all">
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<p class="MsoNormal" style="margin-bottom:12.0pt">both nodes are in sync without much issue now but during this week our DC will perform some maintenance tasks that might incur in some connectivity issues between both nodes.<u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">How can put the slave node in maintenance (or any other mode) in order to avoid any split brain situation?<u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">I've been reading [1] and [2] but I can't find a clear answer to this.<u></u><u></u></p>
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<p class="MsoNormal">should I just take down the service on the SLAVE node performing a *service drbd stop* or instead disable the resource using *drbdadm down resourcename*<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">versions:<u></u><u></u></p>
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<p class="MsoNormal">MASTER -> version: 8.0.16 (api:86/proto:86)<u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">SLAVE -> version: 8.3.15 (api:88/proto:86-97)<u></u><u></u></p>
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<p class="MsoNormal">Thanks<u></u><u></u></p>
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[1] <a href="http://www.drbd.org/users-guide/ch-admin.html" target="_blank">http://www.drbd.org/users-guide/ch-admin.html</a><br>
[2] <a href="http://www.geekpeek.net/drbd-management-command-usage/" target="_blank">
http://www.geekpeek.net/drbd-management-command-usage/</a><u></u><u></u></p>
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<p class="MsoNormal"><span style="color:#888888"><u></u> <u></u></span></p>
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-- <br>
Gabriel Sosa<br>
Sometimes the questions are complicated and the answers are simple. -- Dr. Seuss <u></u>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Gabriel Sosa<br>Sometimes the questions are complicated and the answers are simple. -- Dr. Seuss
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