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<[email protected]> 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<[email protected]> 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<[email protected]> 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: [email protected] >>>> [mailto:[email protected]] On Behalf Of Ross Smith >>>> Sent: 26 June 2009 11:36 >>>> To: [email protected]; [email protected] >>>> 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 >>>> _______________________________________________ >>>> general mailing list >>>> [email protected] >>>> http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general >>>> >>>> To unsubscribe, please visit >>>> http://openib.org/mailman/listinfo/openib-general >>>> >>>> The SAQ Group >>>> >>>> Registered Office: 18 Chapel Street, Petersfield, Hampshire GU32 3DZ >>>> SAQ is the trading name of SEMTEC Limited. 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