Although we did add backports for RHEL 7 into OFED-3.5-2-MIC, we only tested
the core components, MPI, and IPoIB and not NFS/RDMA or SRP,
so there may be issues with NFS/RMDA that will have to wait till OFED-3.12-1 to
get resolved.
From: ewg-boun...@lists.openfabrics.org
[mailto:ewg-boun...@lists.openfabrics.org] On Behalf Of Jeff Becker
Sent: Tuesday, August 05, 2014 9:49 AM
To: Steffen Müthing; Cheng, Wendy
Cc: ewg@lists.openfabrics.org
Subject: Re: [ewg] Problem with NFS/RDMA on CentOS 7 with OFED-MIC-3.5-2-rc1
Hello,
I do the OFED distro ports for NFSRDMA. It will be supported on CENTOS 7 in
OFED 3.12.1 (coming soon). Not sure how this relates to MPSS/OFED.
-jeff
On 08/05/2014 09:07 AM, Steffen Müthing wrote:
Hi Wendy,
thanks for the response!
Am 05.08.2014 um 18:04 schrieb Cheng, Wendy
wendy.ch...@intel.commailto:wendy.ch...@intel.com:
Did you mount the NFS share on MIC or on host ? Be aware that 3.3 MPSS/OFED
does not support NFS/RDMA yet; that is, mounting NFS/RDMA on MIC is NOT
supported at this moment.
I'm aware of that restriction. I was just mounting a host-exported share on a
different host.
Steffen
-- Wendy
-Original Message-
From:
ewg-boun...@lists.openfabrics.orgmailto:ewg-boun...@lists.openfabrics.org
[mailto:ewg-
boun...@lists.openfabrics.orgmailto:boun...@lists.openfabrics.org] On Behalf
Of Steffen Müthing
Sent: Tuesday, August 05, 2014 2:39 AM
To: ewg@lists.openfabrics.orgmailto:ewg@lists.openfabrics.org
Subject: [ewg] Problem with NFS/RDMA on CentOS 7 with OFED-MIC-3.5-2-
rc1
Hi,
I'm trying to get the new 3.3 MPSS stack to work together with OFED-MIC-
3.5-2-rc1 on CentOS 7, but I've run into a problem with NFS/RDMA: While I
can mount file systems and traverse them, I cannot access any files larger
than about 800 bytes. Trying to cat such a file results in errors like
this:
cat: gcc.lua: Input/output error
or, when copying:
[root@node01 files]# cp test.txt /tmp
cp: error reading 'test.txt': Input/output error
cp: failed to extend '/tmp/test.txt': Input/output error
[root@node01 files]#
At the same time, trying to write a file that is larger than 800 bytes to a
server
running CentOS 7 tends to freeze that server, while writing to a CentOS 6.5
server works just fine (I just can't access the data afterwards).
On the other hand, exporting an NFS share on a CentOS 7 server and
mounting it on a CentOS 6.5 client works without any problem.
We are using Mellanox ConnectX-3 VPI adapters (mlx_4 driver) and are
currently running kernel version 3.10.0-123.4.4.el7.x86_64. Does someone
have an idea of what might be going wrong here?
Thank you!
Steffen Müthing
---
Steffen Müthing
Interdisciplinary Center for Scientific Computing Heidelberg University
Im Neuenheimer Feld 368
69120 Heidelberg
Germany
+49 6221 54
steffen.mueth...@iwr.uni-heidelberg.demailto:steffen.mueth...@iwr.uni-heidelberg.de
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