[Lustre-discuss] Lustre 1.8.7 - Setup prototype in Research field - STUCK !

[Kevin Van Maren]

You can get the Oracle downloads from:
http://downloads.lustre.org/public/lustre/v1.8/lustre_1.8.7/

Basically, build Lustre for your kernel on the clients, but use the Lustre server kernel on the servers.

Kevin


On Feb 7, 2012, at 9:09 AM, "Charles Cummings" <Ccummings at harthosp.org> wrote:

> Hello Everyone,
>  
> being the local crafty busy admin for a neuroscience research branch, Lustre seems the only way to go however I'm a bit stuck and need some thoughtful guidance.
>  
> My goal  is to setup a virtual OS environment which is a replica of our
> Direct attached storage head node running SLES 11.0 x86 64   Kernel:  2.6.27.19-5 default #1 SMP
> and our (2) Dell blade clusters running CentOS 5.3 x86 64   Kernel: 2.6.18-128.el5 #1 SMP
> which I now have running as a) SLES 11 same kernel MDS  b) SLES 11 same kernel OSS   and   c) CentOS 5.3 x86 65 same kernel
> and then get Lustre running across it.
>  
> The trouble began when i was informed that the Lustre rpm kernel numbers MUST match the OS kernel number EXACTLY due to modprobe errors and mount errors on the client,
> and some known messages on the servers after the rpm installs.
>  
> My only direct access to Oracle Lustre downloads is through another person with an Oracle ID who's not very willing to help - i.e. this route is painful
>  
> So to explain why I'm stuck:
>  
> a) access to oracle downloads is not easy
> b) there is so much risk with altering kernels, given all the applications and stability of the environment you could literally trash the server and spend days recovering - in addition to it being the main storage / resource for research
> c) I can't seem to find after looking Lustre RPMs that match my kernel environment specifically, i.e. the SLES 11 AND CENTOS 5.3
> d) I've never created rpms to a specific kernel version and that would be a deep dive into new territory and frankly another gamble
>  
> What's the least painful and least risky to get Lustre working in this prototype which will then lend to production (equally least painful) given these statements - Help !
> Cliff, I could use some details on how specifically wamcloud can fit this scenero - and thanks for all the enlightenment.
>  
>  
> thanks for your help
> Charles 
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