[ofa-general] Installing nfs-rdma with OFED-1.4.1

Fri Jun 26 10:15:14 PDT 2009

Hi Ross. The easiest way to install NFSRDMA is to do a custom install
and select it manually from the kernel-ib modules. Also be sure to
select rnfs-utils since that includes a special mount.rnfs that is
needed to understand RDMA mounts.

-jeff

Ross Smith wrote:
> Latest news:  I've bodged the installation, but I'm having problems
> with nfs.mount now.
>
> Since everything worked with nfs-rdma on the development server, I
> manually copied the kerel-ib rpm file from there, and installed that
> on top of the default infiniband install on the live server, using the
> command:
>
> # rpm -iv --replacepkgs kernel-ib.......
>
> With that done modprobe xprtrdma now works.
>
> Since the kernel-ib file appears to be the only one modified as
> nfsrdma support is added, I assume this is all that's needed.  Can
> anybody confirm if this is ok, or whether I'm going to break things
> horribly by doing this?
>
> I also have nfs v1.1.6 installed, but it doesn't seem to understand
> the rdma option.  The system is still using tcp by default, and if I
> try to use rdma, I get this:
>
> # mount -o rdma, port=20049 server:path /mnt
> mount.nfs: Unsupported nfs mount option: rdma
>
> However, nfs is definitely the correct version:
> # mount.nfs -V
> mount.nfs (linux nfs-utils 1.1.6)
>
> Even using the mount.rnfs utility supplied with OFED doesn't help:
> # rpm -iv rnfs-utils-1.1.5-2.OFED.i386.rpm
> # mount.rnfs server:path /mnt -o rdma,port=20049
> mount.rnfs: Unsupported nfs mount option: rdma
>
> And if I use mount.rnfs without the rdma option, "cat /proc/mounts"
> reports that it's just using tcp.
>
> I'm getting read speeds of around 400MB/s using regular NFS which
> isn't bad, but I know I can achieve over 900MB/s with this server over
> Infiniband, so there's still some way to go.
>
> Ross
>
>
>
> On Fri, Jun 26, 2009 at 2:06 PM, Ross Smith<myxiplx at googlemail.com> wrote:
>   
>> Ok, I've made a little more progress.
>>
>> The issue with nfs-utils was solved by installing efsprogs-devel, and
>> mount.nfs is now reporting that it's running v1.1.6.
>>
>> I still can't install OFED with nfs-rdma on the live server though, it
>> appears that it's unable to use the rpm package to install with nfs
>> support.
>>
>> I've now discovered how to use the ofed.conf file, and this is the
>> procedure I'm following:
>>
>> - On the development server, I run install.pl and perform a standard install
>> - Once that finishes, I edit the resulting ofed.conf and add nfsrdma=y
>> - Still on the development server I run:
>>  # install.pl -c ofed.conf
>> - That can be seen to install most items from the rpm, and to
>> recompile kernel-ib with the nfsrdma option.
>> - I then package up the OFED folder with tar, and send it to the live server
>> - On the live server I run the same command:
>>  # install.pl -c ofed.conf
>>
>> Despite it running with exactly the same options, I get the error:
>>
>> "/lib/modules/2.6.18......./build/scripts is required to build kernel-ib RPM.
>> Please install the corresponding kernel-source or kerenel-devel RPM."
>>
>> If I exclude the nfsrdma option and repeat all the above steps, the
>> script installs fine from the pre-compiled RPM.
>>
>> It looks to me like a problem with the install script when choosing nfs-rdma.
>>
>> Does anybody have any suggestions as to how I can work around this?
>> Am I able to simply install the RPM files manually?
>>
>> Ross
>>
>>
>>
>> On Fri, Jun 26, 2009 at 12:25 PM, Ross Smith<myxiplx at googlemail.com> wrote:
>>     
>>> Thanks Robert,
>>>
>>> Looking through your notes, we've followed similar steps.  I should
>>> mention that I do have Infiniband working on this server, including
>>> ipoib.  It's purely the nfs-rdma part I'm struggling with.
>>>
>>> My latest attempt has been to attempt a custom install, selecting
>>> nfs-rdma manually.  That worked fine on the development server, but
>>> when I attempted to run it on the live server I had an error:
>>>
>>> "/lib/modules/....../build/scripts is required to build kernel-ib RPM.
>>> Please install the corresponding kernel-source or kernel-devel RPM.
>>> tk rpm is required to install ibutils"
>>>
>>> The problem is, for XenServer, you can't get the kernel-source on the
>>> live server, instead Citrix ship a DDK (driver development kit)
>>> virtual machine, which is a pre-built system with all the kernel
>>> sources you need.
>>>
>>> OFED builds fine on the DDK machine, and for the default installation,
>>> I can compile everything there and then transfer the OFED folder (with
>>> the compiled RPM files) to the live server.  At that point install.pl
>>> runs fine, without needing to re-compile things.
>>>
>>> However, it appears that when I choose some elements in the custom
>>> install, it is not using these RPM files, and is trying to compile
>>> kernel-ib again from scratch.
>>>
>>> I have attached a file listing the custom modules I have chosen in
>>> case it helps.
>>>
>>> Ross
>>>
>>>
>>>
>>> On Fri, Jun 26, 2009 at 11:42 AM, Robert Dunkley<Robert at saq.co.uk> wrote:
>>>       
>>>> Hi Ross,
>>>>
>>>> I installed OFED 1.3.1 (Older I know) with other options OK on a Centos
>>>> 5.2 Dom0 (Separate Xen install on Centos, not "Xen Server"), here is
>>>> some notes I took (I used the GUI installer)
>>>>
>>>> Hope this helps,
>>>>
>>>> Rob
>>>>
>>>> 1.      Download the OFED package from
>>>> http://www.openfabrics.org/downloads/OFED/
>>>> 2.      Extract it: tar -xvzf OFED-1.3.1.tgz
>>>> 3.      Check for the dependencies by running ./install.pl and choosing
>>>> documentation ("0").
>>>> 4.      Install all required dependencies using yum install package nam.
>>>> For Centos dependencies try: yum install gcc libstdc++-devel
>>>> libsysfs-devel tcl tcl-devel tk pciutils-devel kernel-devel rpm-build
>>>> gcc libtool bison flex tcl-devel swig gcc-c++ libtool kernel-xen-devel
>>>> zlib-devel You may need to run the yum command three times (It takes a
>>>> few runs for all the dependencies to sort themselves out)
>>>> 5.      It is recommended you now upgrade the kernel to make sure the
>>>> sources match it. For centos do: yum upgrade kernel (Or yum upgrade
>>>> kernel-xen for Xen setups)
>>>> 6.      Run ./install.pl again but this time choose to install ("2") and
>>>> choose custom install ("4").  See the appendix for a recommendation on
>>>> which modules to install.
>>>> 7.      Install should now complete, if it fails check the log (Most
>>>> likely you have not installed a required software package - go back to
>>>> step 3)
>>>> 8.      Say yes to configuring IPOIB (If you plan to use it) and
>>>> manually set the IP and subnet. When it asks for a network it wants the
>>>> base network address (If given an IP of 192.168.10.12 on a 255.255.255.0
>>>> subnet then the "Network" would be 192.168.10.0)
>>>> 9.      Reboot
>>>> 10.     Check the install using /etc/init.d/openibd status. This should
>>>> show one interface for each Infiniband port (First will be "ib0"). You
>>>> should also see quite a few modules loaded, the important ones are
>>>> (mlx4_ib & mlx4_core - QLogic drivers, mthca - Mellanox driver, ib_core
>>>> & ib_addr - core services, rdma_ucm & rdma_cm - RDMA, ib_cm & ib_ipoib -
>>>> IPOIB and ib_uverbs - Direct/Verb)
>>>> 11.     Run ibstat - This should display the installed devices and their
>>>> firmware versions and hardware / GUI IDs. If you need to update the
>>>> firmware for Mellanox see
>>>> http://www.mellanox.com/support/firmware_download.php I find it easier
>>>> to update using Windows and the WinOF software (Windows equivalent of
>>>> OFED - Available here: http://www.openfabrics.org/downloads/WinOF/ ).
>>>>
>>>> -----Original Message-----
>>>> From: general-bounces at lists.openfabrics.org
>>>> [mailto:general-bounces at lists.openfabrics.org] On Behalf Of Ross Smith
>>>> Sent: 26 June 2009 11:36
>>>> To: nfs-rdma-devel at lists.sourceforge.net; general at lists.openfabrics.org
>>>> Cc: Yehonatan Yossef
>>>> Subject: [ofa-general] Installing nfs-rdma with OFED-1.4.1
>>>>
>>>> Hello everyone,
>>>>
>>>> Can anybody help me get nfs-rdma installed on CentOS 5.2 (actually
>>>> Citrix XenServer), with OFED-1.4.1?
>>>>
>>>> The default install of OFED doesn't include nfs-rdma, and I'm
>>>> struggling to work out which components I do and don't need for a
>>>> custom build.
>>>>
>>>> What I would like to include is:
>>>> - Core infiniband components
>>>> - Drivers for Mellanox Infinihost III Lx (MHES14)
>>>> - IPoIB
>>>> - nfs-rdma
>>>> - troubleshooting and diagnostic tools (ibstat, ibtracert, ibswitches,
>>>> ibhosts, etc...)
>>>>
>>>> My last attempt was following the instructions from OFED 1.4 - I
>>>> edited ofed.conf to add nfsrdma=y, and attempted a default install.
>>>> However after running install.pl, that change appears to have been
>>>> overwritten.
>>>>
>>>> I am also having problems updating mount.nfs on this machine.  Both
>>>> nfs-utils-1.1.6 and nfs-utils-1.2.0 fail to install with the error:
>>>> "blkid/blkid.h: No such file or directory", and I cannot yet find a
>>>> source for this file.
>>>>
>>>> Finally, my understanding is that nfs-rdma is in beta status for
>>>> CentOS 5.2, but I couldn't see any open bugs on the tracker, are there
>>>> any issues I should be aware of?
>>>>
>>>> thanks,
>>>>
>>>> Ross
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