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<DIV>Hi </DIV>
<DIV> </DIV>
<DIV>I am using Lustre 2.8 on RHEL 6.7.</DIV>
<DIV>As my application requires RHEL 6.7, I had to use Lustre 2.8.</DIV>
<DIV>Any suggestions?</DIV>
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<DIV> </DIV>
<DIV><FONT size=2 face=Verdana>Regards</FONT></DIV>
<DIV><FONT size=2 face=Verdana><STRONG>Ravi Konila</STRONG></FONT></DIV>
<DIV> </DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV>
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<DIV> </DIV>
<DIV style="BACKGROUND: #f5f5f5">
<DIV style="font-color: black"><B>From:</B> <A
title=darby.vicker-1@nasa.gov>Vicker, Darby (JSC-EG311)</A> </DIV>
<DIV><B>Sent:</B> Wednesday, October 25, 2017 11:51 PM</DIV>
<DIV><B>To:</B> <A title=keith.mannthey@intel.com>Mannthey, Keith</A> ; <A
title=ravibhatk@gmail.com>Ravi Konila</A> ; <A
title=lustre-discuss@lists.lustre.org>Lustre Discuss</A> </DIV>
<DIV><B>Subject:</B> Re: [lustre-discuss] MGS is not working in
HA</DIV></DIV></DIV>
<DIV> </DIV></DIV>
<DIV
style='FONT-SIZE: small; TEXT-DECORATION: none; FONT-FAMILY: "Calibri"; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; DISPLAY: inline'>
<DIV class=WordSection1>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif'>Sorry – I also meant
to say that the resolution went off the mailing list and was continued in
LU-8397. You can find the patch there. <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif'><o:p></o:p></SPAN> </P>
<DIV
style="BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none; BORDER-BOTTOM: medium none; PADDING-BOTTOM: 0in; PADDING-TOP: 3pt; PADDING-LEFT: 0in; BORDER-LEFT: medium none; PADDING-RIGHT: 0in">
<P class=MsoNormal><B><SPAN style="COLOR: black">From: </SPAN></B><SPAN
style="COLOR: black">lustre-discuss
<lustre-discuss-bounces@lists.lustre.org> on behalf of Darby Vicker
<darby.vicker-1@nasa.gov><BR><B>Date: </B>Wednesday, October 25, 2017 at
1:17 PM<BR><B>To: </B>"Mannthey, Keith" <keith.mannthey@intel.com>, Ravi
Konila <ravibhatk@gmail.com>, Lustre Discuss
<lustre-discuss@lists.lustre.org><BR><B>Subject: </B>Re: [lustre-discuss]
MGS is not working in HA<o:p></o:p></SPAN></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt"><o:p></o:p></SPAN> </P></DIV>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif'>Which version of
lustre are you using? We initially has problem with this too when using
failover with lustre 2.8 and 2.9. We got a patch that fixed it and recent
versions work fine for us. We have a combined MGS/MDS so our scenario is a
little different but this sounds very similar to our issue.
</SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif'> </SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif'><A
href="http://lists.lustre.org/pipermail/lustre-discuss-lustre.org/2017-January/014125.html">http://lists.lustre.org/pipermail/lustre-discuss-lustre.org/2017-January/014125.html</A></SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif'> </SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif'> </SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif'> </SPAN><o:p></o:p></P>
<DIV
style="BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none; BORDER-BOTTOM: medium none; PADDING-BOTTOM: 0in; PADDING-TOP: 3pt; PADDING-LEFT: 0in; BORDER-LEFT: medium none; PADDING-RIGHT: 0in">
<P class=MsoNormal><B><SPAN style="COLOR: black">From: </SPAN></B><SPAN
style="COLOR: black">lustre-discuss
<lustre-discuss-bounces@lists.lustre.org> on behalf of "Mannthey, Keith"
<keith.mannthey@intel.com><BR><B>Date: </B>Wednesday, October 25, 2017 at
11:30 AM<BR><B>To: </B>Ravi Konila <ravibhatk@gmail.com>, Lustre Discuss
<lustre-discuss@lists.lustre.org><BR><B>Subject: </B>Re: [lustre-discuss]
MGS is not working in HA</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt"> </SPAN><o:p></o:p></P></DIV>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif; COLOR: #1f497d'>Kavi,</SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif; COLOR: #1f497d'>
You may want to open a jira ticket with this error. It looks like the
mount command is only trying only the first nid of the mount command.
</SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif; COLOR: #1f497d'> </SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif; COLOR: #1f497d'>Jira
is <A href="https://jira.hpdd.intel.com">https://jira.hpdd.intel.com</A> “LU”
project.</SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif; COLOR: #1f497d'> </SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif; COLOR: #1f497d'>I
have seen Lustre Servers first mount behave like this but not client
mounts. It should try the first server, timeout and try the 2<SUP>nd</SUP>
server. </SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif; COLOR: #1f497d'> </SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif; COLOR: #1f497d'>Thanks,</SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif; COLOR: #1f497d'>Keith
</SPAN><o:p></o:p></P>
<P class=MsoNormal><A name=_MailEndCompose><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif; COLOR: #1f497d'> </SPAN></A><o:p></o:p></P>
<DIV>
<DIV
style="BORDER-TOP: #e1e1e1 1pt solid; BORDER-RIGHT: medium none; BORDER-BOTTOM: medium none; PADDING-BOTTOM: 0in; PADDING-TOP: 3pt; PADDING-LEFT: 0in; BORDER-LEFT: medium none; PADDING-RIGHT: 0in">
<P class=MsoNormal><A name=_____replyseparator></A><B><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif'>From:</SPAN></B><SPAN
style='FONT-SIZE: 11pt; FONT-FAMILY: "Calibri",sans-serif'> lustre-discuss
[mailto:lustre-discuss-bounces@lists.lustre.org] <B>On Behalf Of </B>Ravi
Konila<BR><B>Sent:</B> Wednesday, October 25, 2017 5:07 AM<BR><B>To:</B> Lustre
Discuss <lustre-discuss@lists.lustre.org><BR><B>Subject:</B>
[lustre-discuss] MGS is not working in HA</SPAN><o:p></o:p></P></DIV></DIV>
<P class=MsoNormal> <o:p></o:p></P>
<DIV>
<DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'>Hi
</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'>I have two servers for
MGS/MDS and have configured it pacemaker for HA. </SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'>The command which I gave
on first MGS/MDS mds01 is</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'> </SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'>mkfs.lustre --mgs
--failnode <A>192.168.0.51@o2ib</A> --backfstype=ldiskfs
/dev/mapper/mpathd</SPAN><o:p></o:p></P></DIV>
<DIV>
<DIV>
<DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'> </SPAN><o:p></o:p></P></DIV>
<DIV>
<DIV>
<DIV>
<DIV>
<DIV>
<DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'>Next I created lustre
filesystem for MDT</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'>mkfs.lustre --mdt
--fsname lhome --index 0 --mgsnode <A>192.168.0.50@o2ib</A> --mgsnode
<A>192.168.0.51@o2ib</A> --servicenode <A>192.168.0.50@o2ib</A> --servicenode
<A>192.168.0.51@o2ib</A> --backfstype=ldiskfs
/dev/mapper/mpathb</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'> </SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'>Now, in my client, If I
give</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'>mount –t lustre
<A>192.168.0.50@o2ib:192.168.0.51@o2ib:/lhome</A> /home, it does not work and
asks if MGS is running.</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'>But if I give mount –t
lustre <A>192.168.0.50@o2ib:/lhome</A> /home it works
fine.</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'> </SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'>Also when my first MDS
(mds01) is down, my client is not mounting lustre from 2nd MGS.
</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'>It says check if MGS is
running?</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'> </SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'>Any help will be highly
appreciated.</SPAN><o:p></o:p></P></DIV>
<DIV>
<DIV>
<DIV>
<DIV>
<DIV>
<DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-FAMILY: "Calibri",sans-serif; COLOR: black'> </SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana",sans-serif; COLOR: black'>Regards</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><STRONG><SPAN
style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana",sans-serif; COLOR: black'>Ravi
Konila</SPAN></STRONG><o:p></o:p></P></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></DIV></BODY></HTML>