[Lustre-discuss] [HPDD-discuss] lustre lnet infiniband config

Tue Sep 30 10:34:43 PDT 2014

I knew I had it somewhere

http://lists.lustre.org/pipermail/lustre-discuss/2012-November/016988.html

Mike

On Tue, Sep 30, 2014 at 10:32 AM, Mike Ware <charnobyl3000 at gmail.com> wrote:

> I had a similar issue using the Mellanox packages. If i remember correctly
> I had to recompile the drivers against the Lustre kernel for  the install.
> I believe Mellanox had an article on this but I don't have the link.
>
> Mike
>
> On Tue, Sep 30, 2014 at 8:07 AM, Parinay Kondekar <
> parinay.kondekar at seagate.com> wrote:
>
>> IMO you should try out strace to see if anything is noticed.
>> "Write failed: Broken pipe" is quite common message and difficult to
>> conclude anything with.
>>
>> Regards
>> parinay
>>
>> On Tue, Sep 30, 2014 at 8:16 PM, aayush agrawal <
>> aayush.agrawal at calsoftinc.com> wrote:
>>
>>>  Hi Parinay,
>>>
>>> Yes, I see ib0 in output of ifconfig -a.
>>> I also tried with options lnet networks=*o2ib0*(ib0) but no luck.
>>> While loading lnet I do see error in var/log/messages:
>>>
>>> kernel: LNet: HW CPU cores: 32, npartitions: 4
>>> alg: No test for crc32 (crc32-table)
>>> kernel: alg: No test for adler32 (adler32-zlib)
>>> kernel: alg: No test for crc32 (crc32-pclmul)
>>> kernel: padlock: VIA PadLock Hash Engine not detected.
>>> modprobe: FATAL: Error inserting padlock_sha
>>> (/lib/modules/2.6.32_358/kernel/drivers/crypto/padlock-sha.ko): No such
>>> device
>>>
>>> But as per below link this should not be a problem?
>>> https://jira.hpdd.intel.com/browse/LU-1599
>>>
>>> modprobe lnet completes successfully and I see "Write failed: Broken
>>> pipe" after running "lctl network up" and after this session gets logout
>>> from the server.
>>>
>>> Thanks,
>>> Aayush.
>>>
>>>
>>> On 9/30/2014 7:21 PM, Parinay Kondekar wrote:
>>>
>>>  - what is the output of 'ifconfig -a' , do you see ib0  there ?
>>> mentioning 'options lnet networks=*o2ib0*(ib0)' should be enough.
>>>  - anything in syslog ?
>>>
>>>  HTH
>>>
>>> On Tue, Sep 30, 2014 at 6:03 PM, aayush agrawal <
>>> aayush.agrawal at calsoftinc.com> wrote:
>>>
>>>>  Hi,
>>>>
>>>> I am trying to build lustre 2.5.0 against
>>>> MLNX_OFED_LINUX-2.2-1.0.1-rhel6.4-x86_64 on CentOS6.4 with kernel version
>>>> 2.6.32-358.
>>>> But I am not able to set lnet config settings properly. I used settings
>>>> suggested in lustre 2.x manual. But then not able to get network up using
>>>> lctl.
>>>>
>>>> Details:
>>>>
>>>> I have two server machines, one for mgs+mdt and second for oss and one
>>>> client machine. I want to setup Infiniband on all these machines.
>>>> I could run below steps successfully for all the three machines:
>>>> 1. Run script mlnxofedinstall
>>>>     # ./mlnxofedinstall  -vvv --add-kernel-support --without-32bit
>>>> --without-fw-update --hpc
>>>> 2. Restart openibd service
>>>>     #  /etc/init.d/openibd restart
>>>> 3. configure ib0 interface.
>>>> 4. configure lustre with o2ib
>>>>     # ./configure --with-linux=Path_to_linux-2.6.32-358.18.1.el6
>>>> --with-o2ib=/usr/src/ofa_kernel/default/
>>>>
>>>> 5. make lustre rpms:
>>>>     # make rpms
>>>> This gave me below compilation error
>>>> I looked online for this error and found bug registered on the same:
>>>> https://jira.hpdd.intel.com/browse/LU-4266
>>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__jira.hpdd.intel.com_browse_LU-2D4266&d=AAMCAw&c=IGDlg0lD0b-nebmJJ0Kp8A&r=c-1Cg_VH2lcYI_JXS3gypPA6xWmYsO2Md6-EoqjeIzk&m=q_uNuYFdGrDiFyB8x0KjRuPV4TbYGJf20PKQKambrfE&s=Gu0enSN8vm3fdyqEtx0cJjPMhWf9o_TCXmJhHez9HKE&e=>
>>>> Below patch from above link solved the problem and hence I could build
>>>> lustre rpms:
>>>> http://review.whamcloud.com/#/c/8451/1
>>>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__review.whamcloud.com_-23_c_8451_1&d=AAMCAw&c=IGDlg0lD0b-nebmJJ0Kp8A&r=c-1Cg_VH2lcYI_JXS3gypPA6xWmYsO2Md6-EoqjeIzk&m=q_uNuYFdGrDiFyB8x0KjRuPV4TbYGJf20PKQKambrfE&s=BqWJdkdWSRVMHWQkLWAhYaV0yfRwJZDUb61TfAgRss0&e=>
>>>>
>>>> Now first I want to do the Infiniband setup for mgs and mdt on single
>>>> machine which also has Ethernet IP. Then I want to format and mount mgs and
>>>> mdt.
>>>> So I installed above created lustre rpms and then added below line in
>>>> /etc/modprobe.d/lustre.conf
>>>> options lnet networks=o2ib(ib0)
>>>>
>>>> Then I rebooted the machine to remove all lustre related modules
>>>> including lnet and then ran modprobe lnet command to add above
>>>> parameters and the ran lctl network up which is giving me below error:
>>>> LNET configure error 100: Network is down
>>>>
>>>> I looked online and found below discussion on same error:
>>>> http://lists.lustre.org/pipermail/lustre-discuss/2010-June/013510.html
>>>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.lustre.org_pipermail_lustre-2Ddiscuss_2010-2DJune_013510.html&d=AAMCAw&c=IGDlg0lD0b-nebmJJ0Kp8A&r=c-1Cg_VH2lcYI_JXS3gypPA6xWmYsO2Md6-EoqjeIzk&m=q_uNuYFdGrDiFyB8x0KjRuPV4TbYGJf20PKQKambrfE&s=aCgXfqCUyJ7IXVRJHjqpk2HCS1_dsKDuaKJrDPmWp4I&e=>
>>>>
>>>> As per suggestion in above mail I tried with below line in
>>>> /etc/modprobe.d/lustre.conf.  In below command for IB_IP, I have given
>>>> infiniband IP.
>>>> options lnet *networks=o2ib(ib0)* routes="tcp0 IB_IP at o2ib"
>>>> This command hangs for around 2 to 3 minutes and then gives error:
>>>> Write failed: Broken pipe. Same is the case for "options lnet
>>>> *networks=o2ib(ib0)*"
>>>> But if I set: options lnet *networks=tcp0(eth0),o2ib(ib0)*
>>>> routes="tcp1 IB_IP at o2ib" then it gives LNET configure error 100:
>>>> Network is down.
>>>>
>>>> It seems that for network=o2ib(ibo) I am getting error Write failed:
>>>> Broken pipe.
>>>> Am I missing anything while following above steps? Or how do I resolve
>>>> above error?
>>>>
>>>> Thanks,
>>>> Aayush.
>>>>
>>>> <html>
>>>> _______________________________________________
>>>> HPDD-discuss mailing list
>>>> HPDD-discuss at lists.01.org
>>>>
>>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.01.org_mailman_listinfo_hpdd-2Ddiscuss&d=AAICAg&c=IGDlg0lD0b-nebmJJ0Kp8A&r=c-1Cg_VH2lcYI_JXS3gypPA6xWmYsO2Md6-EoqjeIzk&m=q_uNuYFdGrDiFyB8x0KjRuPV4TbYGJf20PKQKambrfE&s=0hW3r7x0NhgbZ7zgaZKr9K_fk7_E8bs0f-GAlH89rgM&e=
>>>>
>>>>
>>>
>>>
>>
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>
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