<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Patrick,<div class=""><br class=""><div class="">I am following the steps on <a href="http://lustre.ornl.gov/lustre101-courses/content/C1/L3/LustreBasicInstall.pdf" class="">http://lustre.ornl.gov/lustre101-courses/content/C1/L3/LustreBasicInstall.pdf</a></div><div class="">Except that I am installing 2.8 instead of 2.7.</div><div class="">Could you recommend any other article/blog that I can follow in order to successfully install lustre.</div><div class=""> <br class=""><div><blockquote type="cite" class=""><div class="">On Jun 22, 2016, at 3:43 PM, Patrick Farrell <<a href="mailto:paf@cray.com" class="">paf@cray.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
<meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type" class="">
<div bgcolor="#FFFFFF" text="#000000" class="">
Hm. It sounds like your RPMs are not installed correctly, but I
vaguely recall something about a packaging issue with the Lustre 2.8
release RPMs.<br class="">
<br class="">
Perhaps someone else on the list can help further.<br class="">
- Patrick<br class="">
<br class="">
<div class="moz-cite-prefix">On 06/22/2016 02:40 PM, Sangeetha
Banavathi Srinivasa wrote:<br class="">
</div>
<blockquote cite="mid:6CA6BD6A-A8DB-4F0D-9091-3339BD9FBB4D@vt.edu" type="cite" class="">
<meta http-equiv="Content-Type" content="text/html;
charset=ISO-8859-1" class="">
I have done that already and re-booted my system.
<div class="">But I still get the error.</div>
<div class=""><br class="">
</div>
<div class="">When I did run that command, I got the below error:</div>
<div class="">
<div style="margin: 0px; font-size: 11px; line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">WARNING:
Can't read module
/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/weak-updates/kernel/fs/lustre/llog_test.ko:
No such file or directory</span></div>
<div style="margin: 0px; font-size: 11px; line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">egrep:
/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64//weak-updates/kernel/fs/lustre/llog_test.ko:
No such file or directory</span></div>
<div style="margin: 0px; font-size: 11px; line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class="">
</span></div>
<div style="margin: 0px; font-size: 11px; line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class="">
</span></div>
<div class="">
<blockquote type="cite" class="">
<div class="">On Jun 22, 2016, at 3:38 PM, Patrick Farrell
<<a moz-do-not-send="true" href="mailto:paf@cray.com" class="">paf@cray.com</a>> wrote:</div>
<br class="Apple-interchange-newline">
<div class="">
<div bgcolor="#FFFFFF" text="#000000" class=""> Well,
that's not patching the kernel. It's making the initrd
and and updating the boot stuff so your system will boot
that kernel.<br class="">
<br class="">
But, yes, that should be what you need to do.<br class="">
<br class="">
- Patrick<br class="">
<div class="moz-cite-prefix">On 06/22/2016 02:36 PM,
Sangeetha Banavathi Srinivasa wrote:<br class="">
</div>
<blockquote cite="mid:CAA277D3-A33F-4A54-9A81-FA60EA1C4916@vt.edu" type="cite" class=""> When you say install the
associated kernel do you mean patching the kernel like
below
<div class="">
<div style="margin: 0px; font-size: 11px;
line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">sudo
/sbin/new-kernel-pkg --package kernel
--mkinitrd --dracut --depmod --install </span>2.6.32-573.12.1.el6_lustre.x86_64</div>
<div style="margin: 0px; font-size: 11px;
line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div style="margin: 0px; font-size: 11px;
line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">I have already
done rpm -ivh kernel-</span>2.6.32-573.12.1.el6_lustre.x86_64.rpm</div>
<div style="margin: 0px; font-size: 11px;
line-height: normal; font-family: Menlo;" class=""><br class="">
</div>
<div style="margin: 0px; font-size: 11px;
line-height: normal; font-family: Menlo;" class=""><br class="">
</div>
<div class="">
<blockquote type="cite" class="">
<div class="">On Jun 22, 2016, at 2:51 PM,
Patrick Farrell <<a moz-do-not-send="true" href="mailto:paf@cray.com" class="">paf@cray.com</a>>
wrote:</div>
<br class="Apple-interchange-newline">
<div class="">
<div bgcolor="#FFFFFF" text="#000000" class="">
The kernel version is found with uname -r or
cat /proc/version.<br class="">
<br class="">
That needs to match the kernel version in
the Lustre RPMs. (The version string is the
2.6.32-573.12.1.el6_lustre) part.<br class="">
<br class="">
In fact, it looks like you've got Lustre
server RPMs, given the _lustre in the name
of the kernel. That means you need to
install the associated kernel.<br class="">
<br class="">
- Patrick<br class="">
<br class="">
<div class="moz-cite-prefix">On 06/22/2016
01:43 PM, Sangeetha Banavathi Srinivasa
wrote:<br class="">
</div>
<blockquote cite="mid:7110EC3C-9C01-4F1C-8ADE-E4D2D4AEBB3E@vt.edu" type="cite" class=""> Patrick,
<div class=""><br class="">
</div>
<div class="">The CentOS version on the
machines is 6.8</div>
<div class="">
<div style="margin: 0px; font-size:
11px; line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div style="margin: 0px; font-size:
11px; line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><span class="Apple-tab-span" style="white-space:pre"> </span>[lustre@hulk2
~]$ cat /etc/redhat-release </span></div>
<div style="margin: 0px; font-size:
11px; line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><span class="Apple-tab-span" style="white-space:pre"> </span>CentOS
release 6.8 (Final)</span></div>
<div style="margin: 0px; font-size:
11px; line-height: normal;
font-family: Menlo;" class=""><br class="">
</div>
</div>
<div style="margin: 0px; font-size: 11px;
line-height: normal; font-family:
Menlo;" class="">
<div style="margin: 0px; line-height:
normal;" class=""><br class="">
</div>
<div style="margin: 0px; line-height:
normal;" class="">The kernel version
that I have installed is what I found
along with the lustre RPMs</div>
<div style="margin: 0px; line-height:
normal;" class="">[lustre@amaranth3
~]$ uname -r</div>
<div style="margin: 0px; line-height:
normal;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">2.6.32-573.12.1.el6_lustre.x86_64</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">And I
am trying to install lustre 2.8.</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">Should
the CentOS release version be 2.7??</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div class=""><br class="">
</div>
</div>
<div class=""><br class="">
<div class="">
<blockquote type="cite" class="">
<div class="">On Jun 22, 2016, at
2:17 PM, Patrick Farrell <<a moz-do-not-send="true" href="mailto:paf@cray.com" class="">paf@cray.com</a>>
wrote:</div>
<br class="Apple-interchange-newline">
<div class="">
<div bgcolor="#FFFFFF" text="#000000" class=""> Well,
it says to check dmesg...
Though that will just list the
symbols. In general, this
usually means you've got a
mismatch between the version of
the kernel (or OFED) Lustre is
built against and your version
of either the kernel or OFED.
Given the number and locations
of the mismatches, I'm guessing
it's the kernel.<br class="">
<br class="">
So, compare your kernel version
and your Lustre RPMs.<br class="">
<br class="">
Regards,<br class="">
- Patrick<br class="">
<div class="moz-cite-prefix">On
06/22/2016 12:47 PM, Sangeetha
Banavathi Srinivasa wrote:<br class="">
</div>
<blockquote cite="mid:AFFCF292-0A36-4024-9F67-E77A152487FE@vt.edu" type="cite" class=""> When I
try modprobe lustre, I see the
below errors:
<div class="">
<div style="margin: 0px;
font-size: 11px;
line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">[</span><span style="font-variant-ligatures:
no-common-ligatures;
color: #afad24" class=""><b class="">05:44:03</b></span><span style="font-variant-ligatures:
no-common-ligatures" class="">] </span><span style="font-variant-ligatures:
no-common-ligatures;
color: #34bd26" class=""><b class="">root@hulk2</b></span><span style="font-variant-ligatures:
no-common-ligatures;
color: #5330e1" class=""><b class=""> lustre #</b></span><span style="font-variant-ligatures:
no-common-ligatures" class=""> modprobe
lustre</span></div>
<div style="margin: 0px;
font-size: 11px;
line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">WARNING: Error
inserting obdclass
(/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/obdclass.ko):
Unknown symbol in
module, or unknown
parameter (see dmesg)</span></div>
<div style="margin: 0px;
font-size: 11px;
line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">WARNING: Error
inserting ptlrpc
(/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/ptlrpc.ko):
Unknown symbol in
module, or unknown
parameter (see dmesg)</span></div>
<div style="margin: 0px;
font-size: 11px;
line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">WARNING: Error
inserting fld
(/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/fld.ko):
Unknown symbol in
module, or unknown
parameter (see dmesg)</span></div>
<div style="margin: 0px;
font-size: 11px;
line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">WARNING: Error
inserting lmv
(/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/lmv.ko):
Unknown symbol in
module, or unknown
parameter (see dmesg)</span></div>
<div style="margin: 0px;
font-size: 11px;
line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">WARNING: Error
inserting fid
(/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/fid.ko):
Unknown symbol in
module, or unknown
parameter (see dmesg)</span></div>
<div style="margin: 0px;
font-size: 11px;
line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">WARNING: Error
inserting mdc
(/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/mdc.ko):
Unknown symbol in
module, or unknown
parameter (see dmesg)</span></div>
<div style="margin: 0px;
font-size: 11px;
line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">WARNING: Error
inserting lov
(/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/lov.ko):
Unknown symbol in
module, or unknown
parameter (see dmesg)</span></div>
<div style="margin: 0px;
font-size: 11px;
line-height: normal;
font-family: Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">FATAL: Error
inserting lustre
(/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/lustre.ko):
Unknown symbol in
module, or unknown
parameter (see dmesg)</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div style="" class="">
<blockquote type="cite" class="">
<div class="">On Jun 22,
2016, at 1:44 PM,
Sangeetha Banavathi
Srinivasa <<a moz-do-not-send="true" href="mailto:bsangee@vt.edu" class="">bsangee@vt.edu</a>> wrote:</div>
<br class="Apple-interchange-newline">
<div class="">
<div style="word-wrap:
break-word;
-webkit-nbsp-mode:
space;
-webkit-line-break:
after-white-space;" class="">Hi,
<div class=""><br class="">
</div>
<div class="">Below
are the steps I
executed in
configuring MDS.</div>
<div class=""><br class="">
</div>
<div class="">1. <span style="color:
rgb(6, 8, 8);
font-family:
Courier;
font-size: 8pt;
font-weight:
700;" class="">mkfs.lustre
--fsname lustre
--mdt --mgs
/dev/vg00/mdt</span></div>
<div class="page" title="Page 12">
<div class="section">
<div class="layoutArea">
<div class="column"><p class=""><span style="font-size:
8.000000pt;
font-family:
'Courier';
font-weight:
700; color:
rgb(2.460608%,
3.152672%,
3.229536%)" class="">2. </span><span style="color:
rgb(6, 8, 8);
font-family:
Courier;
font-size:
8pt;
font-weight:
700;" class="">mkdir
/mdt</span></p>
<div class="page" title="Page
13">
<div class="section">
<div class="layoutArea">
<div class="column"><p class=""><span style="font-size:
8.000000pt;
font-family:
'Courier';
font-weight:
700; color:
rgb(2.460608%,
3.152672%,
3.229536%)" class="">3. </span><span style="color:
rgb(6, 8, 8);
font-family:
Courier;
font-size:
8pt;
font-weight:
700;" class="">mount
-t lustre
/dev/vg00/mdt
/mdt</span></p>
<div class="page" title="Page
13">
<div class="section">
<div class="layoutArea">
<div class="column"><p class=""><font class="" color="#060808">I
see the below
error after
step 3:</font></p>
<div class="">
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">mount.lustre: mount /dev/mapper/vg00-mdt1
at /mdt
failed: No
such device</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">Are the lustre modules loaded?</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">Check /etc/modprobe.conf and
/proc/filesystems</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">[root@amaranth3 lustre]# </span></div>
</div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">I tried modprobe lustre and retried
mounting but
it resulted in
the same
error. Any
help will be
appreciated.</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">For your info, the lustre modules that I
have installed
are:</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">[root@amaranth3 lustre]# rpm -qa |grep
lustre</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">lustre-osd-ldiskfs-mount-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">lustre-tests-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">lustre-modules-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">lustre-osd-ldiskfs-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">lustre-iokit-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">kernel-2.6.32-573.12.1.el6_lustre.x86_64</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><span style="font-family: Menlo;
font-size:
11px;" class="">lustre-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64</span></span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">[root@amaranth3 lustre]# rpm -qa |grep
e2fs</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">e2fsprogs-libs-1.42.13.wc5-7.el6.x86_64</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><span style="font-family: Menlo;
font-size:
11px;" class="">e2fsprogs-1.42.13.wc5-7.el6.x86_64</span></span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">[root@amaranth3 lustre]# rpm -qa |grep
libss</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><span style="font-family: Menlo;
font-size:
11px;" class="">libss-1.42.13.wc5-7.el6.x86_64</span></span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">root@amaranth3 lustre]# rpm -qa |grep
libcom</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">libcom_err-1.42.13.wc5-7.el6.x86_64</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div class=""><span style="font-variant-ligatures:
no-common-ligatures" class=""><br class="">
</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">[root@amaranth3 lustre]# uname -a</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">Linux amaranth3
2.6.32-573.12.1.el6_lustre.x86_64
#1 SMP Tue Feb
23 22:41:09
PST 2016
x86_64 x86_64
x86_64
GNU/Linux</span></div>
<div style="margin:
0px;
font-size:
11px;
line-height:
normal;
font-family:
Menlo;" class=""><span style="font-variant-ligatures:
no-common-ligatures" class="">[root@amaranth3 lustre]# </span></div>
<div class=""><span style="font-variant-ligatures:
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<div class=""><span style="font-variant-ligatures:
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<div class=""><span style="font-variant-ligatures:
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