通过sminfo确认master的guid,然后使用ibstat在每台局域网中的机器上执行,找到对应的Port
sminfo sminfo: sm lid 62 sm guid <strong>0x98039b0300e24101</strong>, activity count 1932118 priority 14 state 3 SMINFO_MASTER ibstat CA 'mlx4_0' CA type: MT4099 Number of ports: 2 Firmware version: 2.36.5150 Hardware version: 1 Node GUID: 0x0002c903001996a0 System image GUID: 0x0002c903001996a3 Port 1: State: Active Physical state: LinkUp Rate: 40 Base lid: 67 LMC: 0 SM lid: 62 Capability mask: 0x0251486a Port GUID: 0x0002c903001996a1 Link layer: InfiniBand Port 2: State: Active Physical state: LinkUp Rate: 40 Base lid: 64 LMC: 0 SM lid: 62 Capability mask: 0x02514868 Port GUID: 0x0002c903001996a2 Link layer: InfiniBand CA 'mlx4_1' CA type: MT4099 Number of ports: 2 Firmware version: 2.42.5000 Hardware version: 1 Node GUID: 0x0002c90300449310 System image GUID: 0x0002c90300449313 Port 1: State: Active Physical state: LinkUp Rate: 40 Base lid: 5 LMC: 0 SM lid: 62 Capability mask: 0x02514868 Port GUID: 0x0002c90300449311 Link layer: InfiniBand Port 2: State: Active Physical state: LinkUp Rate: 40 Base lid: 9 LMC: 0 SM lid: 62 Capability mask: 0x02514868 Port GUID: 0x0002c90300449312 Link layer: InfiniBand