I test rdma network with ceph, when nodes exceed 16, most of osds down; when nodes less 16 nodes , cluster health is ok;
who can help me?
error log output :
2021-11-29 10:53:06.884 7f0839fec700 -1 --2- 10.94.48.70:0/559149 >> [v2:10.94.48.66:7045/3543288,v1:10.94.48.66:7047/3543288] conn(0x5585a4b3ec00 0x5585bd816700 unknown :-1 s=BANNER_CONNECTING pgs=0 cs=0 l=1 rev1=0 rx=0 tx=0)._handle_peer_banner peer [v2:10.94.48.66:7045/3543288,v1:10.94.48.66:7047/3543288] is using msgr V1 protocol
2021-11-29 10:53:07.264 7f083a7ed700 -1 Infiniband send_msg send returned error 111: (111) Connection refused
2021-11-29 10:53:07.264 7f083a7ed700 -1 Infiniband send_msg send returned error 111: (111) Connection refused
2021-11-29 10:53:07.264 7f083a7ed700 -1 Infiniband send_msg send returned error 111: (111) Connection refused
2021-11-29 10:53:07.264 7f083a7ed700 -1 Infiniband send_msg send returned error 111: (111) Connection refused
2021-11-29 10:53:07.264 7f083a7ed700 -1 Infiniband send_msg send returned error 111: (111) Connection refused
follow ¡°Bring Up Ceph RDMA - Developer's Guide¡±, my cluster conf:
#----------------------- RDMA ---------------------
ms_type = async+rdma
ms_cluster_type = async+rdma
ms_public_type = async+rdma
ms_async_rdma_device_name = mlx5_bond_0
ms_async_rdma_polling_us = 0
ms_async_rdma_local_gid = 0000:0000:0000:0000:0000:ffff:0a5e:3046
[osd]
osd_memory_target = 4294967296
nodes env:
[store@xxxxxxxxxxxxxxxxxxxx ~]$ ulimit
unlimited
[store@xxxxxxxxxxxxxxxxxxxx ~]$ ibdev2netdev
mlx5_0 port 1 ==> enp94s0f0 (Down)
mlx5_1 port 1 ==> enp94s0f1 (Down)
mlx5_bond_0 port 1 ==> bond0 (Up)
[store@xxxxxxxxxxxxxxxxxxxx ~]$ sudo cat /usr/lib/systemd/system/ceph-osd@.service
[Unit]
Description=Ceph object storage daemon osd.%i
PartOf=ceph-osd.target
After=network-online.target local-fs.target time-sync.target
Before=remote-fs-pre.target ceph-osd.target
Wants=network-online.target local-fs.target time-sync.target remote-fs-pre.target ceph-osd.target
[Service]
LimitNOFILE=1048576
LimitNPROC=1048576
LimitMEMLOCK=infinity
EnvironmentFile=-/etc/sysconfig/ceph
Environment=CLUSTER=ceph
ExecStart=/usr/bin/ceph-osd -f --cluster ${CLUSTER} --id %i --setuser ceph --setgroup ceph
ExecStartPre=/usr/lib/ceph/ceph-osd-prestart.sh --cluster ${CLUSTER} --id %i
ExecReload=/bin/kill -HUP $MAINPID
LockPersonality=true
MemoryDenyWriteExecute=true
[Install]
WantedBy=ceph-osd.target
[store@xxxxxxxxxxxxxxxxxxxx ~]$ cat /etc/security/limits.conf
root soft nofile 10000000
root hard nofile 10000000
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