On 5/1/19 8:50 AM, Faraz Hussain wrote:
Unfortunately I get this:
root@lustwzb34:/root # systemctl status rdma
Unit rdma.service could not be found.
You're missing this RPM then, which might explain a lot:
$ rpm -qi rdma-core
Name: rdma-core
Version : 17.2
Release : 3.el7
Arc
Congrats!
On Wed, May 1, 2019 at 10:36 AM Joe Landman wrote:
> Hi folks,
>
>Apologies for OT conversation, I'll keep it very brief. My team is
> looking for excellent HPC/Cloud/networking/support folk. Feel free to
> ping me at email below or jlandman over at cray dot com, and I can point
>
What does this say?
systemctl status rdma
Unfortunately I get this:
root@lustwzb34:/root # systemctl status rdma
Unit rdma.service could not be found.
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To change your su
Quoting John Hearns :
On the RHEL 6.9 servers run ibstatus also
And sminfo
Unfortunately, the RHEL 6.9 machines don't appear to have all the
Infiniband utilities installed. All I see is:
[root@lustwzb25 ~]# ib
ibacm ibdiagnet ibdmchkibis
Quoting John Hearns :
What does ibstatus give you
[hussaif1@lustwzb33 ~]$ ibstatus
Infiniband device 'mlx4_0' port 1 status:
default gid: fe80::::4a0f:cfff:fef5:b650
base lid:0x0
sm lid: 0x0
state: 4: ACTIVE
Hi folks,
Apologies for OT conversation, I'll keep it very brief. My team is
looking for excellent HPC/Cloud/networking/support folk. Feel free to
ping me at email below or jlandman over at cray dot com, and I can point
you to the URLs.
And, I forgot to mention, I'm now over at Cray as
On 5/1/19 7:05 AM, Faraz Hussain wrote:
[hussaif1@lustwzb34 ~]$ sminfo
ibwarn: [10407] mad_rpc_open_port: can't open UMAD port ((null):0)
sminfo: iberror: failed: Failed to open '(null)' port '0'
Sorry I'm late to this.
What does this say?
systemctl status rdma
You should see something alon
On the RHEL 6.9 servers run ibstatus also
And sminfo
On Wed, 1 May 2019 at 16:23, John Hearns wrote:
> link_layer: Ethernet
>
> E….
>
> On Wed, 1 May 2019 at 16:18, Faraz Hussain wrote:
>
>>
>> Quoting John Hearns :
>>
>> > What does ibstatus give you
>>
>> [hussaif1@lustwzb33
link_layer: Ethernet
E….
On Wed, 1 May 2019 at 16:18, Faraz Hussain wrote:
>
> Quoting John Hearns :
>
> > What does ibstatus give you
>
> [hussaif1@lustwzb33 ~]$ ibstatus
> Infiniband device 'mlx4_0' port 1 status:
> default gid: fe80::::4a0f:cfff:fef5:b6
Quoting John Hearns :
E.. you are not running a subnet manager?
DO you have an Infiniband switch or are you connecting two servers
back-to-back?
Unfortunately, I am not familiar with a subnet manager. These are
sixteen machines in an HP enclosure. Fourteen of them are running RHEL
6
I think I he wrong track regarding the subnet manager, sorry.
What does ibstatus give you
On Wed, 1 May 2019 at 15:31, John Hearns wrote:
> E.. you are not running a subnet manager?
> DO you have an Infiniband switch or are you connecting two servers
> back-to-back?
>
> Also - have you
E.. you are not running a subnet manager?
DO you have an Infiniband switch or are you connecting two servers
back-to-back?
Also - have you considered using OpenHPC rather tyhan installing CentOS on
two servers?
When you expand this manual installation is going to be painful.
On Wed, 1 May 2
What hardware and what Infiniband switch you have
Run these commands: ibdiagnet smshow
Unfortunately ibdiagnet seems to give some errors:
[hussaif1@lustwzb34 ~]$ ibdiagnet
--
Load Plugins from:
/usr/share/ibdiagnet2.1.1/plugins/
(You can specify more paths to be looked in with
Hi Faraz. Could to make another summary for us?
What hardware and what Infiniband switch you have
Run these commands: ibdiagnet smshow
You originally had the OpenMPI which was provided by CentOS ??
You compiled the OpenMPI from source??
How are you bringing the new OpenMPI version itno
Hi Faraz,
Have you tried any other MPI distributions (eg. MPICH, MVAPICH)?
Regards,
Benson
On 4/30/19 11:20 PM, Gus Correa wrote:
It may be using IPoIB (TCP/IP over IB), not verbs/rdma.
You can force it to use openib (verbs, rdma) with (vader is for
in-node shared memory):
mpirun --mca b
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