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管理网卡

ibv_devinfo

查看设备信息

> ibv_devinfo

这个命令可以方便的看到网卡端口的连接状态和协议

link_layer: InfiniBand 说明网卡运行在 IB 模式

ibv_devices

显示系统中目前所有设备

> ibv_devices

    device                 node GUID
    ------              ----------------
    mlx4_0              480fcfffffeaa8a0

ibstat

查看网卡状态

> ibstat

CA 'mlx4_0'
    CA type: MT4103
    Number of ports: 2
    Firmware version: 2.42.5700
    Hardware version: 0
    Node GUID: 0x480fcfffffeaa8a0
    System image GUID: 0x480fcfffffeaa8a3
    Port 1:
        State: Initializing
        Physical state: LinkUp
        Rate: 40
        Base lid: 0
        LMC: 0
        SM lid: 0
        Capability mask: 0x02594868
        Port GUID: 0x480fcfffffeaa8a1
        Link layer: InfiniBand
    Port 2:
        State: Down
        Physical state: Polling
        Rate: 10
        Base lid: 0
        LMC: 0
        SM lid: 0
        Capability mask: 0x02594868
        Port GUID: 0x480fcfffffeaa8a2
        Link layer: InfiniBand

查看网络中的 ib 设备

ibnodes