<html><body><p><font size="2">Hello Simon, </font><br><br><font size="2">not sure if the answer solved your question from the response,</font><br><br><font size="2">Even if nodes can be externally resolved by unique hostnames, applications that run on the host use the /bin/hostname binary or the hostname() call to identify the node they are running on.</font><br><font size="2">This is the case with the performance collection sensor. </font><br><font size="2">So you need to set the hostname of the hosts using /bin/hostname in in a way that provides unique responses of the "/bin/hostname" call within a cluster.</font><br><br><font size="2" face="Arial">Mit freundlichen Grüßen / Kind regards</font><br><br><b><font face="Arial">Dr. Markus Rohwedder</font></b><br><br><font size="1" face="Arial">Spectrum Scale GUI Development</font><table border="0" cellspacing="0" cellpadding="0"><tr valign="top"><td class="small_font" width="600" colspan="4" valign="middle"><hr width="100%" size="2" align="left" style="color:#0055AA; "></td></tr>
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<tr valign="top"><td class="inner" width="39" valign="middle"><font size="1" color="#0055AA" face="Arial">Phone:</font></td><td class="inner" width="157" valign="middle"><font size="1" color="#0055AA" face="Arial">+49 7034 6430190</font></td><td class="inner" width="246" valign="middle"><font size="1" color="#0055AA" face="Arial"> IBM Deutschland Research & Development</font></td><td width="158" rowspan="4" valign="middle"><div align="right"><img src="cid:2__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" width="158" height="40" align="bottom"></div></td></tr>
<tr valign="top"><td class="inner" width="39" valign="middle"><font size="1" color="#0055AA" face="Arial">E-Mail:</font></td><td class="inner" width="157" valign="middle"><font size="1" color="#0055AA" face="Arial">rohwedder@de.ibm.com</font></td><td class="inner" width="246" valign="middle"><font size="1" color="#0055AA" face="Arial"> Am Weiher 24</font></td></tr>
<tr valign="top"><td class="inner" width="39" valign="middle"><img width="1" height="1" src="cid:1__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" border="0" alt=""></td><td class="inner" width="157" valign="middle"><img width="1" height="1" src="cid:1__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" border="0" alt=""></td><td class="inner" width="246" valign="middle"><font size="1" color="#0055AA" face="Arial"> 65451 Kelsterbach</font></td></tr>
<tr valign="top"><td class="inner" width="39" valign="middle"><img width="1" height="1" src="cid:1__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" border="0" alt=""></td><td class="inner" width="157" valign="middle"><img width="1" height="1" src="cid:1__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" border="0" alt=""></td><td class="inner" width="246" valign="middle"><font size="1" color="#0055AA" face="Arial"> Germany</font></td></tr>
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<tr valign="top"><td class="small_font" width="600" colspan="4" valign="middle"><img width="1" height="1" src="cid:1__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" border="0" alt=""></td></tr></table><br><img width="16" height="16" src="cid:3__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" border="0" alt="Inactive hide details for Simon Thompson ---09.10.2018 17:00:16---We do … Its just the node is joined to the cluster as “host"><font size="2" color="#424282">Simon Thompson ---09.10.2018 17:00:16---We do … Its just the node is joined to the cluster as “hostname1-data.cluster”, but it also has a pr</font><br><br><font size="2" color="#5F5F5F">From: </font><font size="2">Simon Thompson <S.J.Thompson@bham.ac.uk></font><br><font size="2" color="#5F5F5F">To: </font><font size="2">gpfsug main discussion list <gpfsug-discuss@spectrumscale.org></font><br><font size="2" color="#5F5F5F">Date: </font><font size="2">09.10.2018 17:00</font><br><font size="2" color="#5F5F5F">Subject: </font><font size="2">Re: [gpfsug-discuss] Pmsensors and gui</font><br><font size="2" color="#5F5F5F">Sent by: </font><font size="2">gpfsug-discuss-bounces@spectrumscale.org</font><br><hr width="100%" size="2" align="left" noshade style="color:#8091A5; "><br><br><br><font face="Calibri">We do …</font><br><font face="Calibri"> </font><br><font face="Calibri">Its just the node is joined to the cluster as “hostname1-data.cluster”, but it also has a primary (1GbE link) as “hostname.cluster”…</font><br><font face="Calibri"> </font><br><font face="Calibri">Simon</font><br><font face="Calibri"> </font><br><b><font face="Calibri">From: </font></b><font face="Calibri"><gpfsug-discuss-bounces@spectrumscale.org> on behalf of "rohwedder@de.ibm.com" <rohwedder@de.ibm.com></font><b><font face="Calibri"><br>Reply-To: </font></b><font face="Calibri">"gpfsug-discuss@spectrumscale.org" <gpfsug-discuss@spectrumscale.org></font><b><font face="Calibri"><br>Date: </font></b><font face="Calibri">Tuesday, 9 October 2018 at 15:56</font><b><font face="Calibri"><br>To: </font></b><font face="Calibri">"gpfsug-discuss@spectrumscale.org" <gpfsug-discuss@spectrumscale.org></font><b><font face="Calibri"><br>Subject: </font></b><font face="Calibri">Re: [gpfsug-discuss] Pmsensors and gui</font><br><font face="Calibri"> </font><p>Hello Simon,<br><br>the performance collector collects data from each node with the "hostname" as in /bin/hostname as key.<br>The GUI reaches out to all nodes and tries to map the GPFS node name to the local hostname on that node.<br><br>If the hostname is set identical to be "hostname" on all nodes, the mapping will not succeed, <br>So you will have to use unique hostnames on all cluster nodes.<br><br><font face="Arial"><br>Mit freundlichen Grüßen / Kind regards</font><br><b><font face="Arial"><br>Dr. Markus Rohwedder</font></b><br><font face="Arial"><br>Spectrum Scale GUI Development</font>
<p><table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0"><tr valign="top"><td width="625" colspan="4" valign="middle"><hr width="100%" size="2" align="left" noshade></td></tr>
<tr valign="top"><td width="625" colspan="4" valign="middle"><img src="cid:4__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" width="1" height="1" alt="cid:1__=8FBB09B2DFC235B78f9e8a93df938690918c8FB@" align="bottom"></td></tr>
<tr valign="top"><td width="49" valign="middle"><font color="#0055AA" face="Arial">Phone:</font></td><td width="172" valign="middle"><font color="#0055AA" face="Arial">+49 7034 6430190</font></td><td width="246" valign="middle"><font color="#0055AA" face="Arial">IBM Deutschland Research & Development</font></td><td width="158" rowspan="4" valign="middle"><div align="right"><img src="cid:5__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" width="158" height="40" alt="cid:2__=8FBB09B2DFC235B78f9e8a93df938690918c8FB@" align="bottom"></div></td></tr>
<tr valign="top"><td width="49" valign="middle"><font color="#0055AA" face="Arial">E-Mail:</font></td><td width="172" valign="middle"><font color="#0055AA" face="Arial">rohwedder@de.ibm.com</font></td><td width="246" valign="middle"><font color="#0055AA" face="Arial">Am Weiher 24</font></td></tr>
<tr valign="top"><td width="49" valign="middle"><img src="cid:4__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" width="1" height="1" alt="cid:1__=8FBB09B2DFC235B78f9e8a93df938690918c8FB@" align="bottom"></td><td width="172" valign="middle"><img src="cid:4__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" width="1" height="1" alt="cid:1__=8FBB09B2DFC235B78f9e8a93df938690918c8FB@" align="bottom"></td><td width="246" valign="middle"><font color="#0055AA" face="Arial">65451 Kelsterbach</font></td></tr>
<tr valign="top"><td width="49" valign="middle"><img src="cid:4__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" width="1" height="1" alt="cid:1__=8FBB09B2DFC235B78f9e8a93df938690918c8FB@" align="bottom"></td><td width="172" valign="middle"><img src="cid:4__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" width="1" height="1" alt="cid:1__=8FBB09B2DFC235B78f9e8a93df938690918c8FB@" align="bottom"></td><td width="246" valign="middle"><font color="#0055AA" face="Arial">Germany</font></td></tr>
<tr valign="top"><td width="625" colspan="4" valign="middle"><hr width="100%" size="2" align="left" noshade></td></tr>
<tr valign="top"><td width="625" colspan="4" valign="middle"><img src="cid:4__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" width="1" height="1" alt="cid:1__=8FBB09B2DFC235B78f9e8a93df938690918c8FB@" align="bottom"></td></tr></table><br><img src="cid:6__=8FBB09B1DFBE2A538f9e8a93df938690918c8FB@" width="16" height="16" alt="Inactive hide details for "Sobey, Richard A" ---09.10.2018 16:00:32---I can help with the first one as I had the issue a few we"><font color="#424282">"Sobey, Richard A" ---09.10.2018 16:00:32---I can help with the first one as I had the issue a few weeks ago. The answer from support is below,</font><br><font color="#5F5F5F"><br>From: </font>"Sobey, Richard A" <r.sobey@imperial.ac.uk><font color="#5F5F5F"><br>To: </font>gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><font color="#5F5F5F"><br>Date: </font>09.10.2018 16:00<font color="#5F5F5F"><br>Subject: </font>Re: [gpfsug-discuss] Pmsensors and gui<font color="#5F5F5F"><br>Sent by: </font>gpfsug-discuss-bounces@spectrumscale.org<br><hr width="100%" size="2" align="left" noshade><br><font face="Calibri"><br><br><br>I can help with the first one as I had the issue a few weeks ago. The answer from support is below, verbatim.<br></font><font face="Arial"><br>---------------------------------------------------------------------------------------------------------------------------------------------<br><br>When trying to resolve the IP-Address in the JAVA code the first entry entry in the list is returned.<br>Just localhost was expected for this. If the order is other way around and the list starts with<br>localhost.localdomain, the GUI unfortunately cannot resolve the real node name and will fail with<br>the message seen in the log files.<br>Thus I assume that this is the case for your customer.<br><br>it seems that our code it not as tolerant as it should be for the </font><i><font face="Arial">localhost</font></i><font face="Arial"> definitions in<br>the </font><i><font face="Arial">/etc/hosts</font></i><font face="Arial"> file on the GUI node.<br>We need to change this in our code to handle accordingly.<br><br>Please let the customer adjust this entry and place localhost at the top of the list.<br>After this the task should run successful and the state should be OK again for the pm_collector.<br>---------------------------------------------------------------------------------------------------------------------------------------------<br><br>checking the GUI nodes /etc/hosts it shows actually<br><br>127.0.0.1 localhost.localdomain localhost4 localhost4.localdomain4 localhost</font><font face="Calibri"><br></font><b><font face="Calibri"><br>From:</font></b><font face="Calibri"> gpfsug-discuss-bounces@spectrumscale.org <gpfsug-discuss-bounces@spectrumscale.org> </font><b><font face="Calibri">On Behalf Of </font></b><font face="Calibri">Simon Thompson</font><b><font face="Calibri"><br>Sent:</font></b><font face="Calibri"> 09 October 2018 14:38</font><b><font face="Calibri"><br>To:</font></b><font face="Calibri"> gpfsug-discuss@spectrumscale.org</font><b><font face="Calibri"><br>Subject:</font></b><font face="Calibri"> [gpfsug-discuss] Pmsensors and gui<br><br>Hi,<br><br>I have a couple of a problems with the GUI and the stats data in there …<br><br>First, on the gui node, I am getting “The following GUI refresh task(s) failed: PM_MONITOR”, looking at the log for this:<br><br>PM_MONITOR * 2018-10-09 14:35:31 15ms failed RefreshTaskScheduler$1.run com.ibm.fscc.common.exceptions.FsccException: No entity found for NODE: null/localhost.localdomain<br><br>Suggestions?<br><br>Second, a bunch of my hosts have multiple NICs on different networks, they are joined to the cluster with the name hostname1-data, however the “primary” hostname of the host is “hostname”. I see summary stats information in the GUI which references the shortname of the host, but when I click the host in the GUI, it claims no data – I assume because the GPFS hostname is the -data nama and pmsensors is using the primary hostname.<br><br>Simon</font><font face="Courier New">_______________________________________________<br>gpfsug-discuss mailing list<br>gpfsug-discuss at spectrumscale.org</font><u><font color="#0000FF" face="Courier New"><br></font></u><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss"><u><font color="#0000FF" face="Courier New">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</font></u></a><font face="Calibri"><br><br><br><br></font><tt><font size="2">_______________________________________________<br>gpfsug-discuss mailing list<br>gpfsug-discuss at spectrumscale.org<br></font></tt><tt><font size="2"><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</a></font></tt><tt><font size="2"><br></font></tt><br><br><BR>
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