1,Mellanox offical vma Installation guide personal reading summarize
VMA是一个消息加速器messaging accelerator(MPI-Massage passing Interface);
The VMA library is delivered as a user-space library
install the default VMA version compiled with MLNX_OFED
linux系统环境下VMA安装完成后的一些设置
IGMP work in v2 on all interfaces
在/etc/sysctl.conf添加如下行
net.ipv4.conf.all.force_igmp_version = 2
IGMP(Internet Group Management Protocol)相关知识！！！
2,when running over InfiniBand ,configure ipoib mode to be datagram
a,修改 set_ipoib_cm=no 在/etc/infiniband/openib.conf
b,验证UD mode!
cat /sys/class/net/ib0/mode
hca_self_test.ofed 
“/sbin/connectx_port_config -s
安装genisoimage包
