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.
-- Wendy > -----Original Message----- > From: ewg-boun...@lists.openfabrics.org [mailto:ewg- > boun...@lists.openfabrics.org] On Behalf Of Steffen Müthing > Sent: Tuesday, August 05, 2014 2:39 AM > To: 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 8888 > steffen.mueth...@iwr.uni-heidelberg.de > > > > > _______________________________________________ > ewg mailing list > ewg@lists.openfabrics.org > http://lists.openfabrics.org/mailman/listinfo/ewg _______________________________________________ ewg mailing list ewg@lists.openfabrics.org http://lists.openfabrics.org/mailman/listinfo/ewg