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Dear Gluster-Users, I am experiencing RDMA problems. I have installed Ubuntu 16.04.4 running with 4.15.0-13-generic
kernel, MLNX_OFED_LINUX-4.3-1.0.1.0-ubuntu16.04-x86_64 to 4
different servers. All of them has Mellanox ConnectX-4 LX dual
port NICs. These four servers are connected via Mellanox SN2100
Switch. I have installed GlusterFS Server v3.10 (from Ubuntu PPA) to 3 servers. These 3 boxes are running as gluster cluster. Additionally, I have installed Glusterfs Client to the last one. I have created Gluster Volume with this command: # gluster volume create db transport rdma replica 3 arbiter 1 gluster1:/storage/db/ gluster2:/storage/db/ cinder:/storage/db force (network.ping-timeout is 3) Then I have mounted this volume using mount command below. mount -t glusterfs -o transport=rdma gluster1:/db /db After mountings "/db", I can access the files. The problem is, when I reboot one of the cluster nodes, fuse
client gives this error below and hangs. [2018-04-17 07:42:55.506422] W [MSGID: 103070]
[rdma.c:4284:gf_rdma_handle_failed_send_completion]
0-rpc-transport/rdma: send work request on `mlx5_0' returned
error wc.status = 5, wc.vendor_err = 245, post->buf =
0x7f8b92016000, wc.byte_len = 0, post->reused = 135 When I change transport mode from rdma to tcp, fuse client works
well. No hangs. I also tried Gluster 3.8, 3.10, 4.0.0 and 4.0.1 (from Ubuntu
PPAs) on Ubuntu 16.04.4 and Centos 7.4. But results were the same. Thank you. Necati. |
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