<div dir="ltr"><div><div><div>I am in the exact same boat. Well the front end is RHEL7.1 and the backend Ubuntu 14.04 LTS.<br><br></div>What I have done however is mount using glusterfs.<br><br></div>No idea which is faster, currently I am testing local disk v nfs v gluster to get a feel on the performance penalty of gluster.<br><br></div>NFS using UDP might well be a good idea though if in reality it is indeed more fault tolerant?<br><div><div><br></div><div>Yes I need an operational guide as well, if nothing is about I am just going to have to write myself one.<br></div><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 8 November 2015 at 22:41, Peter Michael Calum <span dir="ltr"><<a href="mailto:pemca@tdc.dk" target="_blank">pemca@tdc.dk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Correction : Version are glusterfs 3.7.5<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"">Fra:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:gluster-users-bounces@gluster.org" target="_blank">gluster-users-bounces@gluster.org</a> [mailto:<a href="mailto:gluster-users-bounces@gluster.org" target="_blank">gluster-users-bounces@gluster.org</a>]
<b>På vegne af </b>Peter Michael Calum<br>
<b>Sendt:</b> 7. november 2015 14:11<br>
<b>Til:</b> <a href="mailto:gluster-users@gluster.org" target="_blank">gluster-users@gluster.org</a><br>
<b>Emne:</b> [Gluster-users] Gluster questions<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Hi group,<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I’m new to Gluster, and still have a lot to learn..<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I’ve build a 4 node setup for testing with Gluster 3.5.7 on CentOS 7.1.1503 (Core) an a replica 2 distributed volume<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">optimized for VM’s. – I have a RHEV 3.5 (Redhat Enterprise Virtuliazation) setup connected to my volume with NFS<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">as a storage domain, and I have 3 test VM’s running.
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I have 3 questions :<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">1 : If I reboot one of the cluster nodes it won’t start the gluster up correctly. Gluster is started but RPC does dot run.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I have tried to enable it with systemctl but it don’t work. I have to start RPC manually and restart glusterd before the<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">local NFS service in glusterd starts. – Does anyone have seen this problem ?<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">2 : I have tried to connect from RHEV 3.5 and create a storage domain with the GLUSTERFS protocol, but this is not possible,<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I get an error (Not possible to mount storage domain) In RHEV manager. I made a tcpdump and I can see that some version check<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">is performed. Am I right it it could be the RHEV3.5 is build for Red Hat Gluster version and therefore has an earlier client version<br>
for gluster than 3.5.7 ? - Or are there backwards compability between clients and server ? - I think this could give problems in<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">the future when upgrading RHEV or Gluster.. Maybe Ovirt is better to use with gluster. – What do you think ?
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">3 : Does anyone knows a good maintenance guide for gluster to handle daily maintenance tasks, like taking a node out of service,<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">handling common errors, rebalancing and that kind of things..
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Thanks for reading,<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">kind regards<span class="HOEnZb"><font color="#888888"><u></u><u></u></font></span></span></p><span class="HOEnZb"><font color="#888888">
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Peter Calum
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <u></u><u></u></span></p>
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