[Lustre-discuss] Lustre Solution Delivery

[Sam Bigger]

Chris,

Just a tip on the Lustre help scenario. Don't wait till the last minute to get the Lustre guy
involved. If they can't just drop in one of the pre-built kernels (like Redhat ur Suse) it's going
to take some work. They will need to know if there is any wiggle room on which OS and/or kernel
revision is used. Some customers/demos have very specific requirements on this, some are more
relaxed, as in anything that's come out in the last year. So, they are going to need hardware details 
like the exact OS requirements & kernel revision requirements,
type of disk storage (DDN, Engenio/LSI, other). They also need to know the IB stack (OFED, etc)
and if it's a switch dependant stack, then the brand of switch (i.e- voltaire, topspin, silverstorm) so they
know what options to compile the Lustre source with. If you are using CentOS, then you may get
by with a prebuilt redhat kernel that comes with an older version of OFED IB support in it. But, if
the customer requires the latest version of OFED, then you're in for some work. 

-Sam

At 04:18 PM 4/28/2008, Chris Wood wrote:
>ALl: 
>
>We have in Hillsboro a test rig for our HPC Storage and Archive Solution, 
>and are charaterizing performance as I write this. Currently, it's the 
>SAM-QFS part with multiple QFS data movers. 
>
>WHen we finish that part (2-3 weeks), we plan to add the Lustre part 
>(We're going to need some technical assistance then) and test 
>several configurations for bandwidth etc. 
>
>Net: Stay tuned - We'll have numbers and best practices to implement. 
>
>CW
>
>
>Larry McIntosh wrote: 
>>
>>Brennan,
>>
>>One needs SAM-QFS Linux client on a given node that is a lustre client.  There 
>>can be multiples of these within a cluster.  
>>
>>This client(s) can then move (copy data) between SAM and Lustre.
>>
>>This has been put in place at a number of places for Sun customers such as DKRZ in Germany.
>>
>>This is a very basic solution today and we would like to see a tighter integration 
>>between the Lustre and SAM development efforts to have this as a more robust offering and 
>>SAM SW support for newer Linux Kernels.
>>
>>It is my understanding that this is underway.  However for the time being it will require 
>>the aforementioned type of client.
>>
>>Larry
>>
>>
>>Brennan wrote On 03/26/08 14:47,: 
>>>
>>>What is the process for integrating a Lustre+SAMFS solution into an  
>>>existing customer environment. The plan is to have CRS build the  
>>>Lustre component, but Lustre and SAMFS will need to configured and  
>>>integrated into the customer computing environment. I am very  
>>>familiar  with the SAMFS integration, but not Lustre integration.
>>>
>>>Do we have resources in PS to provide the integration? Is this done  
>>>by the CFS organization?
>>>
>>>Also, a small scale benchmark of the solution may be required. Which  
>>>Benchmark center could provide Lustre support?
>>>
>>>Thanks,
>>>
>>>Jim Brennan
>>>Digital Media Systems
>>>Sun Systems Group
>>>Universal City, CA
>>>(310) 901-86777
>>>  
>
>
>-- 
>=======================================
>Chris Wood
>CTO - Storage & Data Management Practice
>Sun Microsystems 
>Office: +1 408 276 3773
>Mobile: +1-408-218-7313 (Preferred)
>Email: <mailto:chris.wood at sun.com>chris.wood at sun.com
>========================================
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