[ofa-general] NFS over RDMA

[Philip Frey1]

Steve, all,

many thanks for your help!

I am running a Fedora provided kernel (see below) and OFED-1.4.
Running 'install.pl' in 'custom' mode did never ask about NFS. Neither
did setting the 'nfsrdma=y' change anything. 'find' told me that there is
nothing in OFED-1.4 that contains 'nfs' but there are nfs files in the 
release
candidates.

I will first try OFED-1.4.1 on my Fedora 9 (2.6.27.12-78.2.8.fc9.x86_64)
and move to the 2.6.28 kernel provided by kernel.org if it does not work.

Cheers,
 Philip



From:
Steve Wise <swise at opengridcomputing.com>
To:
Jeff Becker <Jeffrey.C.Becker at nasa.gov>
Cc:
Philip Frey1 <PHF at zurich.ibm.com>, Tobias Abt1/Zurich/IBM at IBMCH, 
"general at lists.openfabrics.org" <general at lists.openfabrics.org>
Date:
03/05/2009 04:36 PM
Subject:
Re: [ofa-general] NFS over RDMA



The stuff shipped in ofed-1.4 isn't very stable.

I suggest either ofed-1.4.1-rc1 or just a stock 2.6.28 kernel (see my 
earlier email).

Steve.


Jeff Becker wrote:
> Hi. If you use install.pl, I think you need to select custom install
> (not "install all"). This will allow you to pick the nfsrdma option.
>
> -jeff
>
> Vu Pham wrote:
> 
>> The easiest steps to have nfsrdma up and running:
>> Download OFED-1.4.1-rc1 from 
>> http://www.openfabrics.org/downloads/OFED/ofed-1.4.1/
>> and build/install nfsrdma. It is running on 2.6.27/26/25 and RHEL 5.2 
>> default kernels
>>
>> Or
>> + Download kernel 2.6.27 from kernel.org
>> + Build the kernel 2.6.27 with IB driver (and other modules ie. 
>> user_mad, addr_trans, ib_mthca,  mlx4_ib... ), nfs client/server, 
>> sunrpc... as modules
>> + Boot up with new kernel
>> + Follow the attached README
>>
>> NOTE: You can also download and run nfsrdma on latest development 
kernel 
>> 2.6.29-rc7; however, it does not work on Mellanox ConnectX HCA due to a 

>> bug on Fast memory registration work request. We are debugging it now
>>
>> -vu
>> 
>> 
>>> Hello,
>>>
>>> I want to try NFS over RDMA. According to the documentation enclosed
>>> within the OFED-1.4 release, it should be as simple as setting 
>>> "nfsrdma=y".
>>>
>>> Unfortunately there is no such option. The interactive menu offered by
>>> './install.pl' does not mention NFS neither.
>>>
>>> Is there an updated version of the documentation on how to run NFS 
over
>>> RDMA? I have noticed, that it is part of the vanilla Linux kernel but 
>>> I still did
>>> not manage to get it up and running.
>>>
>>> Many thanks for your advice,
>>>  Philip
>>>
>>> -- 
>>>   Philip Frey 
>>>   IBM Zurich Research Laboratory
>>>   Saumerstrasse 4                                   |  Phone: +41 44 
>>> 724 8613
>>>   CH-8803 Rueschlikon/Switzerland  |  Email: phf at zurich.ibm.com
>>> 
------------------------------------------------------------------------
>>>
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>>>
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http://openib.org/mailman/listinfo/openib-general
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>>> 
>> 
>> 
>
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