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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">Hello together,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">I am using the version 5.0.2.0 of GPFS and have problems with the command mmlscluster and callback-scripts. It is a small cluster of two nodes only. If I shutdown one of the nodes
sometimes mmlscluster reports the following output:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">[root@gpfs-tier1 gpfs5.2]# mmgetstate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">Node number Node name GPFS state<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;line-height:112%">-------------------------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;line-height:112%"> 1 gpfs-tier1 arbitrating<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;line-height:112%">[root@gpfs-tier1 gpfs5.2]# mmlscluster<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">ssh: connect to host gpfs-tier2 port 22: No route to host<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">mmlscluster: Unable to retrieve GPFS cluster files from node gpfs-tier2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">mmlscluster: Command failed. Examine previous error messages to determine cause.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">Normally the output is like this:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">[root@gpfs-tier1 gpfs5.2]# mmlscluster<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">GPFS cluster information<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">========================<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> GPFS cluster name: TIERCLUSTER.gpfs-tier1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> GPFS cluster id: 12458173498278694815<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> GPFS UID domain: TIERCLUSTER.gpfs-tier1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> Remote shell command: /usr/bin/ssh<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> Remote file copy command: /usr/bin/scp<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> Repository type: server-based<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">GPFS cluster configuration servers:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">-----------------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> Primary server: gpfs-tier2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> Secondary server: gpfs-tier1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">Node Daemon node name IP address Admin node name Designation<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;line-height:112%">----------------------------------------------------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;line-height:112%"> 1 gpfs-tier1 192.168.178.10 gpfs-tier1 quorum-manager<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;line-height:112%"> 2 gpfs-tier2 192.168.178.11 gpfs-tier2 quorum-manager<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">[root@gpfs-tier1 gpfs5.2]# mmlscallback<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">NodeDownCallback<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> command = /var/mmfs/rs/nodedown.ksh<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> priority = 1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> event = quorumNodeLeave<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> parms = %eventNode %quorumNodes<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">NodeUpCallback<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> command = /var/mmfs/rs/nodeup.ksh<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> priority = 1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> event = quorumNodeJoin<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"> parms = %eventNode %quorumNodes<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">If I shutdown the filesystem via mmshutdown the callback script works but if I shutdown the whole node the scripts does not run.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">The latest log-entry in mmfs.log.latest shows only this information:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">2018-09-07_13:12:36.724+0200: [I] Cluster Manager connection broke. Probing cluster TIERCLUSTER.gpfs-tier1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">2018-09-07_13:12:37.226+0200: [E] Unable to contact enough other quorum nodes during cluster probe.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">2018-09-07_13:12:37.226+0200: [E] Lost membership in cluster TIERCLUSTER.gpfs-tier1. Unmounting file systems.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">2018-09-07_13:12:38.448+0200: [N] Connecting to 192.168.178.11 gpfs-tier2 <c0p1><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">Could anybody help me in this case? I want to try to start a script if one node goes down or up to change the roles for starting the filesystem. The callback event NodeLeave and
NodeJoin do not run too.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">Any more information required? If yes, please let me know!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">Many thanks in advance and a nice weekend!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%">Matthias<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;line-height:112%"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height:normal">
<span lang="EN-US" style="font-family:"Helv",sans-serif;color:black;mso-fareast-language:DE">Best Regards<br>
<br>
Matthias Knigge<br>
R&D File Based Media Solutions<br>
<br>
Rohde & Schwarz <br>
GmbH & Co. KG<br>
Hanomaghof 1<br>
30449 Hannover<br>
Telefon +49 511 67 80 7 213<br>
Fax +49 511 37 19 74<br>
Internet: Matthias.Knigge@rohde-schwarz.com<br>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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