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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Are you running IPoIB?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Can you do “lsmod |grep lnet”? Also, ensure you have the right network settings in your /etc/modprobe.d/lnet.conf file (or wherever you may have defined the
networks)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Brian Andrus<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">ITACS/Research Computing<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Naval Postgraduate School<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Monterey, California<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">voice: 831-656-6238<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> lustre-discuss [mailto:lustre-discuss-bounces@lists.lustre.org]
<b>On Behalf Of </b>sohamm<br>
<b>Sent:</b> Thursday, July 28, 2016 6:55 PM<br>
<b>To:</b> Mohr Jr, Richard Frank (Rick Mohr)<br>
<b>Cc:</b> lustre-discuss@lists.lustre.org<br>
<b>Subject:</b> Re: [lustre-discuss] luster client mount issues<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi Rick<o:p></o:p></p>
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<p class="MsoNormal">Client is configured for IB interface. <o:p></o:p></p>
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<p class="MsoNormal">in my understanding i can specific the network of choice in the mount command. tried both tcp and ib. I am still checking on the configurations as suggested in the forumn. will get back with my findings. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks<br>
<br>
On Thursday, July 28, 2016, Mohr Jr, Richard Frank (Rick Mohr) <<a href="mailto:rmohr@utk.edu">rmohr@utk.edu</a>> wrote:<o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Is the client supposed to have an IB interface configured, or is it just supposed to mount over ethernet?<br>
<br>
--<br>
Rick Mohr<br>
Senior HPC System Administrator<br>
National Institute for Computational Sciences<br>
<a href="http://www.nics.tennessee.edu" target="_blank">http://www.nics.tennessee.edu</a><br>
<br>
<br>
> On Jul 20, 2016, at 2:09 PM, sohamm <<a href="javascript:;">sohamm@gmail.com</a>> wrote:<br>
><br>
> Hi<br>
><br>
> Any guidance/help on this is greatly appreciated.<br>
><br>
> Thanks<br>
><br>
> On Mon, Jul 18, 2016 at 7:25 PM, sohamm <<a href="javascript:;">sohamm@gmail.com</a>> wrote:<br>
> Hi Ben<br>
> Both the networks have netmasks of value 255.255.255.0<br>
><br>
> Thanks<br>
><br>
> On Mon, Jul 18, 2016 at 10:08 AM, Ben Evans <<a href="javascript:;">bevans@cray.com</a>> wrote:<br>
> What do your netmasks look like on each network?<br>
><br>
> From: lustre-discuss <<a href="javascript:;">lustre-discuss-bounces@lists.lustre.org</a>> on behalf of sohamm <<a href="javascript:;">sohamm@gmail.com</a>><br>
> Date: Monday, July 18, 2016 at 1:56 AM<br>
> To: "<a href="javascript:;">lustre-discuss@lists.lustre.org</a>" <<a href="javascript:;">lustre-discuss@lists.lustre.org</a>><br>
> Subject: Re: [lustre-discuss] lustre-discuss Digest, Vol 124, Issue 17<br>
><br>
> Hi Thomas<br>
> Below are the results of the commands you suggested.<br>
><br>
> From Client<br>
> [root@dev1 ~]# lctl ping <a href="mailto:192.168.200.52@o2ib">192.168.200.52@o2ib</a><br>
> failed to ping <a href="mailto:192.168.200.52@o2ib">192.168.200.52@o2ib</a>: Input/output error<br>
> [root@dev1 ~]# lctl ping <a href="mailto:192.168.111.52@tcp">192.168.111.52@tcp</a><br>
> 12345-0@lo<br>
> <a href="mailto:12345-192.168.200.52@o2ib">12345-192.168.200.52@o2ib</a><br>
> <a href="mailto:12345-192.168.111.52@tcp">12345-192.168.111.52@tcp</a><br>
> [root@dev1 ~]# mount -t lustre <a href="mailto:192.168.111.52@tcp:/mylustre">192.168.111.52@tcp:/mylustre</a> /lustre<br>
> mount.lustre: mount <a href="mailto:192.168.111.52@tcp:/mylustre">192.168.111.52@tcp:/mylustre</a> at /lustre failed: Input/output error<br>
> Is the MGS running?<br>
> mount: mounting <a href="mailto:192.168.111.52@tcp:/mylustre">192.168.111.52@tcp:/mylustre</a> on /lustre failed: Invalid argument<br>
><br>
> cat /var/log/messages | tail<br>
> Jul 18 01:37:04 dev1 user.warn kernel: [2250504.401397] ib1: multicast join failed for ff12:401b:ffff:0000:0000:0000:ffff:ffff, status -22<br>
> Jul 18 01:37:26 dev1 user.warn kernel: [2250526.257309] LNet: No route to <a href="mailto:12345-192.168.200.52@o2ib">
12345-192.168.200.52@o2ib</a> via <?> (all routers down)<br>
> Jul 18 01:37:36 dev1 user.warn kernel: [2250536.481862] ib1: multicast join failed for ff12:401b:ffff:0000:0000:0000:ffff:ffff, status -22<br>
> Jul 18 01:41:53 dev1 user.warn kernel: [2250792.947299] LNet: No route to <a href="mailto:12345-192.168.200.52@o2ib">
12345-192.168.200.52@o2ib</a> via <?> (all routers down)<br>
><br>
><br>
> From MGS<br>
> [root@lustre_mgs01_vm03 ~]# lctl ping <a href="mailto:192.168.111.102@tcp">192.168.111.102@tcp</a><br>
> 12345-0@lo<br>
> <a href="mailto:12345-192.168.111.102@tcp">12345-192.168.111.102@tcp</a><br>
><br>
> Please let me know what else i can try. Looks like i am missing something with the ib config? Do i need router setup as part of lnet ?<br>
> if i am able to ping mgs from client on the tcp network, it should still work ?<br>
><br>
> Thanks<br>
><br>
<br>
<o:p></o:p></p>
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