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OpenVZ and Lustre [message #29107]

Sat, 05 April 2008 11:47

rafale
Messages: 11
Registered: January 2008

Junior Member

Hi all,

I would like to know whether someone has ever succeeded in using an OpenVZ node as a Lustre Client.

I use a 2.6.18 vanilla based Kernel which I patched in order to have openVZ support.
The creation of the modules for Lustre works but when I try to load them I have got numerous errors.

I hope someone could help me!

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Re: OpenVZ and Lustre [message #29113 is a reply to message #29107]

Sat, 05 April 2008 13:12

rickb
Messages: 368
Registered: October 2006

Senior Member

Quote:

I have got numerous errors

If you are looking for an intelligent response, you will need to be a bit more specific then this.

Rick

-------------
Common Terms I post with: http://wiki.openvz.org/Category:Definitions

UBC. Learn it, love it, live it: http://wiki.openvz.org/Proc/user_beancounters

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Re: OpenVZ and Lustre [message #29115 is a reply to message #29107]

Sat, 05 April 2008 13:32

rafale
Messages: 11
Registered: January 2008

Junior Member

Here are what modprobe lustre and dmesg give :

WARNING: Error inserting libcfs (/lib/modules/2.6.18-ovz028stab053.5/kernel/net/lustre/libcfs.ko): Invalid module format
WARNING: Error inserting lvfs (/lib/modules/2.6.18-ovz028stab053.5/kernel/fs/lustre/lvfs.ko): Invalid module format
WARNING: Error inserting lnet (/lib/modules/2.6.18-ovz028stab053.5/kernel/net/lustre/lnet.ko): Invalid module format
WARNING: Error inserting obdclass (/lib/modules/2.6.18-ovz028stab053.5/kernel/fs/lustre/obdclass.ko): Invalid module format
WARNING: Error inserting ptlrpc (/lib/modules/2.6.18-ovz028stab053.5/kernel/fs/lustre/ptlrpc.ko): Invalid module format
WARNING: Error inserting mdc (/lib/modules/2.6.18-ovz028stab053.5/kernel/fs/lustre/mdc.ko): Invalid module format
WARNING: Error inserting lov (/lib/modules/2.6.18-ovz028stab053.5/kernel/fs/lustre/lov.ko): Invalid module format
FATAL: Error inserting lustre (/lib/modules/2.6.18-ovz028stab053.5/kernel/fs/lustre/lustre.ko): Invalid module format
libcfs: version magic '2.6.18-ovz028stab053.5 SMP mod_unload 686 REGPARM 4KSTACKS gcc-3.4' should be '2.6.18-ovz028stab053.5 mod_unload 686 4KSTACKS gcc-3.4'
lvfs: version magic '2.6.18-ovz028stab053.5 SMP mod_unload 686 REGPARM 4KSTACKS gcc-3.4' should be '2.6.18-ovz028stab053.5 mod_unload 686 4KSTACKS gcc-3.4'
lnet: version magic '2.6.18-ovz028stab053.5 SMP mod_unload 686 REGPARM 4KSTACKS gcc-3.4' should be '2.6.18-ovz028stab053.5 mod_unload 686 4KSTACKS gcc-3.4'
obdclass: version magic '2.6.18-ovz028stab053.5 SMP mod_unload 686 REGPARM 4KSTACKS gcc-3.4' should be '2.6.18-ovz028stab053.5 mod_unload 686 4KSTACKS gcc-3.4'
ptlrpc: version magic '2.6.18-ovz028stab053.5 SMP mod_unload 686 REGPARM 4KSTACKS gcc-3.4' should be '2.6.18-ovz028stab053.5 mod_unload 686 4KSTACKS gcc-3.4'
mdc: version magic '2.6.18-ovz028stab053.5 SMP mod_unload 686 REGPARM 4KSTACKS gcc-3.4' should be '2.6.18-ovz028stab053.5 mod_unload 686 4KSTACKS gcc-3.4'
lov: version magic '2.6.18-ovz028stab053.5 SMP mod_unload 686 REGPARM 4KSTACKS gcc-3.4' should be '2.6.18-ovz028stab053.5 mod_unload 686 4KSTACKS gcc-3.4'
lustre: version magic '2.6.18-ovz028stab053.5 SMP mod_unload 686 REGPARM 4KSTACKS gcc-3.4' should be '2.6.18-ovz028stab053.5 mod_unload 686 4KSTACKS gcc-3.4'

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Re: OpenVZ and Lustre [message #29116 is a reply to message #29115]

Sat, 05 April 2008 13:36

rickb
Messages: 368
Registered: October 2006

Senior Member

you need to download the kernel source, and compile the kernel and those modules on the same system.

Rick

-------------
Common Terms I post with: http://wiki.openvz.org/Category:Definitions

UBC. Learn it, love it, live it: http://wiki.openvz.org/Proc/user_beancounters

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Re: OpenVZ and Lustre [message #29117 is a reply to message #29107]

Sat, 05 April 2008 13:47

rafale
Messages: 11
Registered: January 2008

Junior Member

Ok rickb but that's what I did Confused

I first installed the kernel-smp-2.6.18-ovz028stab053.5.i686.rpm kernel on the node. Then I reboot on this kernel.

I download the vanilla source code 2.6.18 (kernel.org) then I applied the openvz patch : patch-ovz028stab053.5-combined.gz

And I finally use Lustre source code (1.6.4.3) to make the rpms for the client (patchless method)

Am I wrong doing that?

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Re: OpenVZ and Lustre [message #29141 is a reply to message #29117]

Mon, 07 April 2008 05:57

gorilych
Messages: 4
Registered: April 2008
Location: Novosibirsk

Junior Member

try to install src rpm and check if it helps.
http://download.openvz.org/kernel/branches/2.6.18/028stab053 .5/kernel-2.6.18-ovz028stab053.5.src.rpm

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Re: OpenVZ and Lustre [message #29328 is a reply to message #29107]

Thu, 10 April 2008 16:36

seanfulton
Messages: 105
Registered: May 2007

Senior Member

Let me know how you make out with this. I tried GFS and it didn't work the way I wanted, and the OpenVZ team suggested staying away from NFS. I am trying to provide an environment where I can fail a VE over to another piece of hardware, preferably using a shared drive among three or more machines.

I'd be interested in knowing your config and how you make out.

Please let me know.

sean

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