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<p class="MsoNormal"><span style="color:#1F497D">Hi Hector,<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">thnx for reply.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">I know that managed layer 2 switches have a lot of abilities ;)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">And that’s my apprehension – that he figured out something<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">that is blocking clean drbd-sync.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Switching this drbd over an unmanaged,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">stupid gigabit-switch works well.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">But at the moment we plug it in his 100mbit managed switch<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">drbd get out of sync and fails.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">I have the suspicion he will parade me and block something needed for drbd.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Layer 2 Switches can't block ports,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">but have the abilities to block broad-, uni- or multicast.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">So anyone out there who can answer my question?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Needs drbd any form of casting like<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">broad-, uni- or multicast to stay in sync?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:DE">Gruesse / Regards<br>
Joerg Hanebuth<br>
--------------------------------------------------------------------------<br>
IT-Services - Hamburg e.K.<br>
Heinsonweg 59b, 22359, Hamburg<br>
Tel. </span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:DE">+494079100220 FAX. +494079100223<br>
<a href="mailto:joerg@im-www.biz"><span style="color:blue">joerg@im-www.biz</span></a>
<a href="http://www.im-www.biz"><span style="color:blue">http://www.im-www.biz</span></a><br>
Sitz / Amtsgericht: Hamburg HRA 112575<br>
Inhaber: Joerg Hanebuth</span><span style="color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:windowtext;mso-fareast-language:DE">Von:</span></b><span style="color:windowtext;mso-fareast-language:DE"> pve-user [mailto:pve-user-bounces@pve.proxmox.com]
<b>Im Auftrag von </b>Hector Suarez Planas<br>
<b>Gesendet:</b> Donnerstag, 19. März 2015 19:00<br>
<b>An:</b> pve-user@pve.proxmox.com<br>
<b>Betreff:</b> Re: [PVE-User] DRBD over Switches<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Greetings.<span style="font-size:12.0pt;mso-fareast-language:DE"><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span lang="EN-US">Hi PVE-Users ;)</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">I got a problem with DRBD over two managed layer 2 switches.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">It’s a installation at a customer and i cant access the switch-management.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">The networkadmin aksed me for special features that drbd will need.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">I tried to find out if drbd needs some special kind of castings – like multi, uni or broadcast.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">But can’t find any concrete in the web to answer him.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">Please help.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:DE"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:DE"><br>
</span><span class="hps"><span lang="EN" style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:DE">The</span></span><span lang="EN" style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:DE">
<span class="hps">default characteristics</span> <span class="hps">of</span> <span class="hps">
L2</span> <span class="hps">switches</span> <span class="hps">are more than sufficient</span>.
<span class="hps">Using</span> <span class="hps">VLANs,</span> <span class="hps">
trunking</span>, etc. <span class="hps">I made</span> <span class="hps">infrastructure</span>
<span class="hps">L2</span> <span class="hps">switches</span> <span class="hps">and</span>
<span class="hps">DRBD</span> <span class="hps">and</span> <span class="hps">worked well</span>.<br>
<br>
<br>
<br>
</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:DE"><o:p></o:p></span></p>
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