Thank you for your mail.
ibv_rc_pingpong seems working between servers and client. Also udaddy,
ucmatose, rping etc are working.
root@gluster1:~# ibv_rc_pingpong -d mlx5_0 -g 0
local address: LID 0x0000, QPN 0x0001e4, PSN 0x10090e, GID
fe80::ee0d:9aff:fec0:1dc8
remote address: LID 0x0000, QPN 0x00014c, PSN 0x09402b, GID
fe80::ee0d:9aff:fec0:1b14
8192000 bytes in 0.01 seconds = 7964.03 Mbit/sec
1000 iters in 0.01 seconds = 8.23 usec/iter
root@cinder:~# ibv_rc_pingpong -g 0 -d mlx5_0 gluster1
local address: LID 0x0000, QPN 0x00014c, PSN 0x09402b, GID
fe80::ee0d:9aff:fec0:1b14
remote address: LID 0x0000, QPN 0x0001e4, PSN 0x10090e, GID
fe80::ee0d:9aff:fec0:1dc8
8192000 bytes in 0.01 seconds = 8424.73 Mbit/sec
1000 iters in 0.01 seconds = 7.78 usec/iter
Thank you.
Necati.
On 25-04-2018 12:27, Raghavendra Gowdappa wrote:
Is infiniband itself working fine? You can run tools like
ibv_rc_pingpong to find out.
On Wed, Apr 25, 2018 at 12:23 PM, Necati E. SISECI <[email protected]
<mailto:[email protected]>> wrote:
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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