[Lustre-discuss] Configuration of lustre FS on single node

ashok bharat bayana ashok.bharat.bayana at iiitb.ac.in
Thu Feb 28 22:57:53 PST 2008 

Hi,
the kernel version I used is 2.6.20.15 and the distro is Ubuntu 7.10
The steps so far I have done are:
1)I have downloaded the sources lustre(1.6.4.2) from CFS
2)I tried to build lustre for a patchless client in which i triggered the command,
[lustre]$ ./configure --with-linux=/unpatched/kernel/source
3)then I build it using make and then installed the modules using make install commands
(I'm not sure whether the modules are installed correctly or not.Isn't the modules are installed using make install cmd) 
4)Now in /usr/lib there is a lustre folder created.
(Can we setup all MDS,client and OST's on a single system? my system configuration is Intel Pentium 512 MB RAM 1.6 GHz)
Could you please tell me how to mount lustre fs in my laptop.

Thanks and Regards,
Ashok Bharat
-----Original Message-----
From: Amit Sharma [mailto:Amit.Sharma at Sun.COM]
Sent: Fri 2/29/2008 12:03 PM
To: ashok bharat bayana
Cc: lustre-discuss at lists.lustre.org
Subject: Re: [Lustre-discuss] Configuration of lustre FS on single node
 
Ashok,

Could you let us know what are the modules that you have installed on 
the system. The linux version on your system. And the steps that you 
have done so far.

thanks,
Amit
ashok bharat bayana wrote:
> 
> Hello,
> I successfully build lustre(1.6.4.2) on my system for a patchless client 
> But I dont know how to proceed in configuring the file system.
> 
> I'm trying to build all MDS,client and MDT's on a single node.
>  >From the tutorials I came to know that
> 
> First, create an MDT for the "spfs" file system that uses the /dev/sda 
> disk. This MDT also acts as the MGS for the site.
> 
> $ mkfs.lustre --fsname spfs --mdt --mgs /dev/sda
> 
> But by triggering this command my system crashed in which the whole data 
> is lost and again I need to install the OS.
> I want help in proceeding of mounting a lustre file system.
> 
> Thanks and Regards,
> Ashok Bharat
> 
> -----Original Message-----
> From: lustre-discuss-bounces at lists.lustre.org on behalf of 
> lustre-discuss-request at lists.lustre.org
> Sent: Wed 2/27/2008 10:30 PM
> To: lustre-discuss at lists.lustre.org
> Subject: Lustre-discuss Digest, Vol 25, Issue 56
> 
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> Today's Topics:
> 
>    1. Multiple NICs per OST (Joshua Bower-Cooley)
>    2. obd error on MGS/MDT node (Jeremy Mann)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Tue, 26 Feb 2008 11:55:19 -0800
> From: Joshua Bower-Cooley <jbowercooley at lcogt.net>
> Subject: [Lustre-discuss] Multiple NICs per OST
> To: lustre-discuss at lists.lustre.org
> Message-ID: <200802261155.19907.jbowercooley at lcogt.net>
> Content-Type: text/plain;  charset="utf-8"
> 
> Hi-
> I've had lustre running happily for some time over a single 10g ethernet NIC
> per node. After switching to dual 10g and creating a new filesystem
> (1.6.4.2), I'm seeing nothing but keep-alive packets with bad checksums.
> 
> What is the current "correct" way to do this now? The manual suggest not 
> using
> bonding, but several list postings now reccommend it. Without bonding, do I
> need to have my 2 switches stacked, or will Lustre recognize the division in
> my subnet?
> 
> LNET module options I've tried are:
> 1) networks="tcp0(eth2,eth3)"
> 2) ip2nets="tcp(eth2,eth3); tcp(eth2) 10.9.[1-4].*; tcp(eth3) 10.9.[5-8].*;"
> and many other variations
> 
> All other services are functional on both interfaces.
> 
> Thanks in advance,
> J Bower-Cooley
> Scientific Systems Engineer
> Las Cumbres Observatory Global Telescope
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Wed, 27 Feb 2008 09:50:08 -0600 (CST)
> From: "Jeremy Mann" <jeremy at biochem.uthscsa.edu>
> Subject: [Lustre-discuss] obd error on MGS/MDT node
> To: lustre-discuss at lists.lustre.org
> Message-ID:
>         <62901.24.173.62.147.1204127408.squirrel at biochem.uthscsa.edu>
> Content-Type: text/plain;charset=iso-8859-1
> 
> Today we are starting to see obd_change_cbdata errors on our MGS/MDT node.
> What does this error mean?
> 
> Version of lustre and kernel is:
> 
> 2.6.9-42.0.10.EL_lustre-1.6.0.1smp X86_64
> 
> LustreError: 65:0:(obd_class.h:1171:obd_change_cbdata()) Skipped 1
> previous similar message
> LustreError: 65:0:(obd_class.h:1171:obd_change_cbdata())
> obd_change_cbdata: NULL export
> LustreError: 65:0:(obd_class.h:1171:obd_change_cbdata()) Skipped 1
> previous similar message
> LustreError: 65:0:(obd_class.h:1171:obd_change_cbdata())
> obd_change_cbdata: NULL export
> LustreError: 65:0:(obd_class.h:1171:obd_change_cbdata()) Skipped 2
> previous similar messages
> LustreError: 65:0:(obd_class.h:1171:obd_change_cbdata())
> obd_change_cbdata: NULL export
> LustreError: 65:0:(obd_class.h:1171:obd_change_cbdata()) Skipped 4
> previous similar messages
> LustreError: 65:0:(obd_class.h:1171:obd_change_cbdata())
> obd_change_cbdata: NULL export
> LustreError: 65:0:(obd_class.h:1171:obd_change_cbdata()) Skipped 5
> previous similar messages
> LustreError: 65:0:(obd_class.h:1171:obd_change_cbdata())
> obd_change_cbdata: NULL export
> LustreError: 65:0:(obd_class.h:1171:obd_change_cbdata()) Skipped 1
> previous similar message
> 
> --
> Jeremy Mann
> jeremy at biochem.uthscsa.edu
> 
> University of Texas Health Science Center
> Bioinformatics Core Facility
> http://www.bioinformatics.uthscsa.edu
> Phone: (210) 567-2672
> 
> 
> 
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> End of Lustre-discuss Digest, Vol 25, Issue 56
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-- 
Amit Sharma
Lustre Engineering
Sun Microsystems, Bangalore.

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