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IB网络的配置与IB网络测试调研

2018-02-27 16:55 148 查看

一 配置IB网络

1.1.将MLNX_OFED_LINUX-4.1-1.0.2.0-rhel7.2-x86_64.tgz上传到制定目录下解压

tar -zxvf MLNX_OFED_LINUX-4.1-1.0.2.0-rhel7.2-x86_64.tgz

1.2.进入MLNX_OFED_LINUX-4.1-1.0.2.0-rhel7.2-x86_64执行

./mlnxofedinstall

1.3.在此操作中会有报错,根据错误信息安装依赖

yum install -y tcl
yum install -y gcc-gfortran
yum install -y tk

1.4.再次执行./mlnxofedinstall经过等待驱动安装成功

1.5.在/etc/sysconfig/network-scripts/ifcfg-ib0配置:ifcfg-ib0

TYPE="Infiniband"
DEVICE="ib0"
ONBOOT="yes"
IPADDR="10.10.10.1"
NETMASK="255.255.255.0"

1.6.重启机器

1.7.执行/etc/init.d/openibd restart

二 测试IB网络

2.1 网卡信息查看

ibnodes命令,会发现端口连接的信息

[root@test01 ~]# ibnodes
Ca  : 0x0002c903000ae254 ports 2 "up75 HCA-1"
Ca  : 0x0002c903000ec606 ports 2 "m04 HCA-1"

2.1.1 ifconfig会发现ib端口

ib0       Link encap:UNSPEC  HWaddr A0-00-02-20-FE-80-00-00-00-00-00-00-00-00-00-00
UP BROADCAST MULTICAST  MTU:4092  Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:256
RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

ib1       Link encap:UNSPEC  HWaddr A0-00-03-00-FE-80-00-00-00-00-00-00-00-00-00-00
inet addr:10.10.10.1  Bcast:10.10.10.255  Mask:255.255.255.0
inet6 addr: fe80::202:c903:e:c608/64 Scope:Link
UP BROADCAST RUNNING MULTICAST  MTU:2044  Metric:1
RX packets:54575 errors:0 dropped:0 overruns:0 frame:0
TX packets:67623 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:256
RX bytes:3174514 (3.1 MB)  TX bytes:891903946 (891.9 MB)

2.1.2 ibstatus可以查看网卡状态

[root@test01 ~]# ibstatus
Infiniband device 'mlx4_0' port 1 status:
default gid:     fe80:0000:0000:0000:0002:c903:000e:c607
base lid:    0x0
sm lid:      0x0
state:       1: DOWN
phys state:  2: Polling
rate:        10 Gb/sec (4X)
link_layer:  InfiniBand

Infiniband device 'mlx4_0' port 2 status:
default gid:     fe80:0000:0000:0000:0002:c903:000e:c608
base lid:    0x1
sm lid:      0x1
state:       4: ACTIVE
phys state:  5: LinkUp
rate:        40 Gb/sec (4X QDR)
link_layer:  InfiniBand

2.2 2台机器无需交换机连通使用opensm(需root权限)

[root@test01 ~]# opensm
-------------------------------------------------
OpenSM 4.7.0.MLNX20160523.25f7c7a
Command Line Arguments:
Log File: /var/log/opensm.log
-------------------------------------------------
OpenSM 4.7.0.MLNX20160523.25f7c7a

Using default GUID 0x2c903000ec608
Entering DISCOVERING state

Entering MASTER state

2.2.1 此时可以互ping:

[root@test01 ~]# ping 10.10.10.2
PING 10.10.10.2 (10.10.0.2) 56(84) bytes of data.
64 bytes from 10.10.10.2: icmp_seq=1 ttl=64 time=0.294 ms
64 bytes from 10.10.10.2: icmp_seq=2 ttl=64 time=0.155 ms
64 bytes from 10.10.10.2: icmp_seq=3 ttl=64 time=0.151 ms
64 bytes from 10.10.10.2: icmp_seq=4 ttl=64 time=0.155 ms
^C
--- 10.0.0.2 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3000ms
rtt min/avg/max/mdev = 0.151/0.188/0.294/0.063 ms

2.3 速度测试

2.3.1 一台机器开启opensm(需root权限),使用ib_send_bw

2.3.2 把一台机器作为server:

[root@test01 ~]# ib_send_bw -a -c UD -d mlx_0 -i 2

************************************
* Waiting for client to connect... *
************************************

2.3.3把另外一台机器作为client:

[root@test02 ~]# ib_send_bw -a -c UD -d mlx4_0 -i 2 10.10.10.1
Max msg size in UD is MTU 4096
Changing to this MTU
---------------------------------------------------------------------------------------
Send BW Test
Dual-port       : OFF      Device         : mlx4_0
Number of qps   : 1        Transport type : IB
Connection type : UD       Using SRQ      : OFF
TX depth        : 128
CQ Moderation   : 100
Mtu             : 4096[B]
Link type       : IB
Max inline data : 0[B]
rdma_cm QPs     : OFF
Data ex. method : Ethernet
---------------------------------------------------------------------------------------
local address: LID 0x02 QPN 0x0238 PSN 0xf162c2
remote address: LID 0x01 QPN 0x021a PSN 0xbc213c
---------------------------------------------------------------------------------------
#bytes     #iterations    BW peak[MB/sec]    BW average[MB/sec]   MsgRate[Mpps]
2          1000             5.72               5.20           2.727911
4          1000             11.49              11.34          2.972020
8          1000             22.99              22.61          2.963387
16         1000             45.98              45.31          2.969666
32         1000             91.70              90.55          2.967229
64         1000             183.14             180.77         2.961664
128        1000             366.79             361.35         2.960143
256        1000             727.44             718.16         2.941597
512        1000             1088.50            1044.70        2.139549
1024       1000             1264.96            1263.29        1.293610
2048       1000             1407.22            1406.43        0.720094
4096       1000             1492.93            1492.75        0.382143

2.4 延迟测试

2.4.1 一台机器开启opensm(需root权限),使用ib_send_lat

2.4.2 把一台机器作为server:

[root@test01 ~]# ib_send_lat -a -c UD -d mlx4_0 -i 2

************************************
* Waiting for client to connect... *
************************************

2.4.3 把另外一台机器作为client:

[root@test02 ~]# ib_send_lat -a -c UD -d mlx4_0 -i 2 10.10.10.1
Max msg size in UD is MTU 4096
Changing to this MTU
---------------------------------------------------------------------------------------
Send Latency Test
Dual-port       : OFF      Device         : mlx4_0
Number of qps   : 1        Transport type : IB
Connection type : UD       Using SRQ      : OFF
TX depth        : 1
Mtu             : 4096[B]
Link type       : IB
Max inline data : 188[B]
rdma_cm QPs     : OFF
Data ex. method : Ethernet
---------------------------------------------------------------------------------------
local address: LID 0x02 QPN 0x0239 PSN 0x29d370
remote address: LID 0x01 QPN 0x021b PSN 0xbc98c4
---------------------------------------------------------------------------------------
#bytes #iterations    t_min[usec]    t_max[usec]  t_typical[usec]
2       1000          1.25           14.72        1.34
4       1000          1.24           88.94        1.27
8       1000          1.20           77.49        1.22
16      1000          1.21           66.69        1.23
32      1000          1.23           61.58        1.25
64      1000          1.27           12.92        1.30
128     1000          1.42           6.98         1.44
256     1000          1.94           173.62       1.97
512     1000          2.22           41.65        2.25
1024    1000          2.79           37.47        2.81
2048    1000          3.91           18.85        3.94
4096    1000          6.16           38.06        6.20
---------------------------------------------------------------------------------------
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