<html><head></head><body>Unless the link between the two switches is set as a dedicated management link, won't that link create a problem? On the dual switch setup I have, there's a dedicated connection that handles inter-switch data. I'm not using bonding or teaming at the servers as I have 40Gb ethernet nics. Gluster is fine across this.<br><br><div class="gmail_quote">On February 25, 2019 5:43:24 AM EST, Alex K <rightkicktech@gmail.com> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div dir="ltr"><div>Hi All, <br></div><div><br></div><div>I was asking if it is possible to have the two separate cables connected to two different physical switched. When trying mode6 or mode1 in this setup gluster was refusing to start the volumes, giving me "transport endpoint is not connected". <br></div><div><br></div><div>server1: cable1 ---------------- switch1 --------------------- server2: cable1<br></div><div> |<br></div><div>server1: cable2 ---------------- switch2 --------------------- server2: cable2<br></div><div><br></div><div>Both switches are connected with each other also. This is done to achieve redundancy for the switches. <br></div><div>When disconnecting cable2 from both servers, then gluster was happy. <br></div><div>What could be the problem?<br></div><div></div><div><br></div><div>Thanx,</div><div>Alex<br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Feb 25, 2019 at 11:32 AM Jorick Astrego <<a href="mailto:jorick@netbulae.eu">jorick@netbulae.eu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
<p>Hi,</p>
<p>We use bonding mode 6 (balance-alb) for GlusterFS traffic</p>
<p><a class="gmail-m_-151486401419277343moz-txt-link-freetext" href="https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.4/html/administration_guide/network4" target="_blank">https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.4/html/administration_guide/network4</a><br>
</p>
<blockquote>
<p>Preferred bonding mode for Red Hat Gluster Storage client is
mode 6 (balance-alb), this allows client to transmit writes in
parallel on separate NICs much of the time. <br>
</p>
</blockquote>
<p>Regards,</p>
<p>Jorick Astrego<br>
</p>
<div class="gmail-m_-151486401419277343moz-cite-prefix">On 2/25/19 5:41 AM, Dmitry Melekhov
wrote:<br>
</div>
<blockquote type="cite">
<div class="gmail-m_-151486401419277343moz-cite-prefix">23.02.2019 19:54, Alex K пишет:<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div>Hi all, <br>
</div>
<div><br>
</div>
<div>I have a replica 3 setup where each server was configured
with a dual interfaces in mode 6 bonding. All cables were
connected to one common network switch. <br>
</div>
<div><br>
</div>
<div>To add redundancy to the switch, and avoid being a single
point of failure, I connected each second cable of each
server to a second switch. This turned out to not function
as gluster was refusing to start the volume logging
"transport endpoint is disconnected" although all nodes were
able to reach each other (ping) in the storage network. I
switched the mode to mode 1 (active/passive) and initially
it worked but following a reboot of all cluster same issue
appeared. Gluster is not starting the volumes. <br>
</div>
<div><br>
</div>
<div>Isn't active/passive supposed to work like that? Can one
have such redundant network setup or are there any other
recommended approaches?</div>
<div><br>
</div>
</div>
</blockquote>
<p><br>
</p>
<p>Yes, we use lacp, I guess this is mode 4 ( we use teamd ), it
is, no doubt, best way.</p>
<p><br>
</p>
<blockquote type="cite">
<div dir="ltr">
<div>Thanx, <br>
</div>
<div>Alex<br>
</div>
</div>
<br>
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