The error is in the last step when I have to run MD 3. mount -t lustre /dev/vg00/mdt1 /mdt mount.lustre: mount /dev/mapper/vg00-mdt1 at /mdt failed: No such device Are the lustre modules loaded? Check /etc/modprobe.conf and /proc/filesystems
> On Jun 22, 2016, at 3:58 PM, Patrick Farrell <p...@cray.com> wrote: > > Ah, now that I look more closely - that warning may not be fatal. Did you > get a failure, or just the warning? > > (The guide looks good) > On 06/22/2016 02:52 PM, Sangeetha Banavathi Srinivasa wrote: >> Patrick, >> >> I am following the steps on >> http://lustre.ornl.gov/lustre101-courses/content/C1/L3/LustreBasicInstall.pdf >> >> <http://lustre.ornl.gov/lustre101-courses/content/C1/L3/LustreBasicInstall.pdf> >> Except that I am installing 2.8 instead of 2.7. >> Could you recommend any other article/blog that I can follow in order to >> successfully install lustre. >> >>> On Jun 22, 2016, at 3:43 PM, Patrick Farrell <p...@cray.com >>> <mailto:p...@cray.com>> wrote: >>> >>> 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. >>> >>> Perhaps someone else on the list can help further. >>> - Patrick >>> >>> On 06/22/2016 02:40 PM, Sangeetha Banavathi Srinivasa wrote: >>>> I have done that already and re-booted my system. >>>> But I still get the error. >>>> >>>> When I did run that command, I got the below error: >>>> 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 >>>> 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 >>>> >>>> >>>>> On Jun 22, 2016, at 3:38 PM, Patrick Farrell <p...@cray.com >>>>> <mailto:p...@cray.com>> wrote: >>>>> >>>>> 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. >>>>> >>>>> But, yes, that should be what you need to do. >>>>> >>>>> - Patrick >>>>> On 06/22/2016 02:36 PM, Sangeetha Banavathi Srinivasa wrote: >>>>>> When you say install the associated kernel do you mean patching the >>>>>> kernel like below >>>>>> sudo /sbin/new-kernel-pkg --package kernel --mkinitrd --dracut --depmod >>>>>> --install 2.6.32-573.12.1.el6_lustre.x86_64 >>>>>> >>>>>> I have already done rpm -ivh kernel-2.6.32-573.12.1.el6_lustre.x86_64.rpm >>>>>> >>>>>> >>>>>>> On Jun 22, 2016, at 2:51 PM, Patrick Farrell <p...@cray.com >>>>>>> <mailto:p...@cray.com>> wrote: >>>>>>> >>>>>>> The kernel version is found with uname -r or cat /proc/version. >>>>>>> >>>>>>> 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. >>>>>>> >>>>>>> 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. >>>>>>> >>>>>>> - Patrick >>>>>>> >>>>>>> On 06/22/2016 01:43 PM, Sangeetha Banavathi Srinivasa wrote: >>>>>>>> Patrick, >>>>>>>> >>>>>>>> The CentOS version on the machines is 6.8 >>>>>>>> >>>>>>>> [lustre@hulk2 ~]$ cat /etc/redhat-release >>>>>>>> CentOS release 6.8 (Final) >>>>>>>> >>>>>>>> >>>>>>>> The kernel version that I have installed is what I found along with >>>>>>>> the lustre RPMs >>>>>>>> [lustre@amaranth3 ~]$ uname -r >>>>>>>> 2.6.32-573.12.1.el6_lustre.x86_64 >>>>>>>> >>>>>>>> >>>>>>>> And I am trying to install lustre 2.8. >>>>>>>> >>>>>>>> Should the CentOS release version be 2.7?? >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>>> On Jun 22, 2016, at 2:17 PM, Patrick Farrell <p...@cray.com >>>>>>>>> <mailto:p...@cray.com>> wrote: >>>>>>>>> >>>>>>>>> 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. >>>>>>>>> >>>>>>>>> So, compare your kernel version and your Lustre RPMs. >>>>>>>>> >>>>>>>>> Regards, >>>>>>>>> - Patrick >>>>>>>>> On 06/22/2016 12:47 PM, Sangeetha Banavathi Srinivasa wrote: >>>>>>>>>> When I try modprobe lustre, I see the below errors: >>>>>>>>>> [05:44:03] root@hulk2 lustre # modprobe lustre >>>>>>>>>> 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) >>>>>>>>>> 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) >>>>>>>>>> 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) >>>>>>>>>> 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) >>>>>>>>>> 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) >>>>>>>>>> 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) >>>>>>>>>> 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) >>>>>>>>>> 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) >>>>>>>>>> >>>>>>>>>>> On Jun 22, 2016, at 1:44 PM, Sangeetha Banavathi Srinivasa >>>>>>>>>>> <bsan...@vt.edu <mailto:bsan...@vt.edu>> wrote: >>>>>>>>>>> >>>>>>>>>>> Hi, >>>>>>>>>>> >>>>>>>>>>> Below are the steps I executed in configuring MDS. >>>>>>>>>>> >>>>>>>>>>> 1. mkfs.lustre --fsname lustre --mdt --mgs /dev/vg00/mdt >>>>>>>>>>> 2. mkdir /mdt >>>>>>>>>>> >>>>>>>>>>> 3. mount -t lustre /dev/vg00/mdt /mdt >>>>>>>>>>> >>>>>>>>>>> I see the below error after step 3: >>>>>>>>>>> >>>>>>>>>>> mount.lustre: mount /dev/mapper/vg00-mdt1 at /mdt failed: No such >>>>>>>>>>> device >>>>>>>>>>> Are the lustre modules loaded? >>>>>>>>>>> Check /etc/modprobe.conf and /proc/filesystems >>>>>>>>>>> [root@amaranth3 lustre]# >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> I tried modprobe lustre and retried mounting but it resulted in the >>>>>>>>>>> same error. Any help will be appreciated. >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> For your info, the lustre modules that I have installed are: >>>>>>>>>>> [root@amaranth3 lustre]# rpm -qa |grep lustre >>>>>>>>>>> lustre-osd-ldiskfs-mount-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64 >>>>>>>>>>> lustre-tests-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64 >>>>>>>>>>> lustre-modules-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64 >>>>>>>>>>> lustre-osd-ldiskfs-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64 >>>>>>>>>>> lustre-iokit-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64 >>>>>>>>>>> kernel-2.6.32-573.12.1.el6_lustre.x86_64 >>>>>>>>>>> lustre-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64 >>>>>>>>>>> >>>>>>>>>>> [root@amaranth3 lustre]# rpm -qa |grep e2fs >>>>>>>>>>> e2fsprogs-libs-1.42.13.wc5-7.el6.x86_64 >>>>>>>>>>> e2fsprogs-1.42.13.wc5-7.el6.x86_64 >>>>>>>>>>> >>>>>>>>>>> [root@amaranth3 lustre]# rpm -qa |grep libss >>>>>>>>>>> libss-1.42.13.wc5-7.el6.x86_64 >>>>>>>>>>> >>>>>>>>>>> root@amaranth3 lustre]# rpm -qa |grep libcom >>>>>>>>>>> libcom_err-1.42.13.wc5-7.el6.x86_64 >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> [root@amaranth3 lustre]# uname -a >>>>>>>>>>> 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 >>>>>>>>>>> [root@amaranth3 lustre]# >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> Thanks, >>>>>>>>>>> Sangeetha >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> _______________________________________________ >>>>>>>>>> lustre-discuss mailing list >>>>>>>>>> lustre-discuss@lists.lustre.org >>>>>>>>>> <mailto:lustre-discuss@lists.lustre.org> >>>>>>>>>> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org >>>>>>>>>> <http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org> >>>>>>>>> >>>>>>>>> _______________________________________________ >>>>>>>>> lustre-discuss mailing list >>>>>>>>> lustre-discuss@lists.lustre.org >>>>>>>>> <mailto:lustre-discuss@lists.lustre.org> >>>>>>>>> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org >>>>>>>>> <http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org> >>>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> >
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