INFINIBAND: ibv_* Commands To Check Infiniband (IB) Devices/Ports Status & Properties/Values (GUID, MTU, LID, Firmware version etc.) (How To Doc)

Below ibv command can be used (on the host using IB) to check the IB device and GUID information.

ibv_devices

Below is snippet of above command.

    device                 node GUID
    ------              ----------------
    mlx4_0              0010e000ZZZZ7030

Below ibv command can be used to check GUID, Ports Status, MTU, LID, Firmware version etc. 

ibv_devinfo

Below is snippet of above command.

# ibv_devinfo
hca_id: mlx4_0
        transport:                      InfiniBand (0)
        fw_ver:                         2.11.1282
        node_guid:                      0010:e000:ZZZZ:7030
        sys_image_guid:                 0010:e000:ZZZZ:7033
        vendor_id:                      0x02c9
        vendor_part_id:                 4099
        hw_ver:                         0x0
        board_id:                       ORC1090120019
        phys_port_cnt:                  2
                port:   1
                        state:                  PORT_ACTIVE (4)
                        max_mtu:                2048 (4)
                        active_mtu:             2048 (4)
                        sm_lid:                 50
                        port_lid:               125
                        port_lmc:               0x00
                        link_layer:             IB

 

Products to which Article Applies

All hosts using Infiniband.                      
Additional References:
http://man7.org/linux/man-pages/man1/ibv_devinfo.1.html

tarun boyella