필요 패키지

rdma
libibverbs
opensm (한대에만 설치하면 됨-마스터서버)
librdmacm, librdmacm-utils, ibacm
libibverbs-utils
infiniband-diags, ibutils
perftest, qperf

[user@host]# yum install rdma
[user@host]# dracut -f
[user@host]# systemctl enable rdma

IPoIB : IP 네트워크 에뮬레이션 레이어 (* Default)
SRP : SCSI Request Protocol
SRPT : STR Target mode
ISER : low-level iSCSI layer
RDS : Reliable Datagram Service (Not support in RHEL7)

*	soft	memlock	unlimited
*	hard	memlock	unlimited

[user@host]# systemctl enable opensm

[user@host]# ibstat
CA 'mlx4_0'
        CA type: MT4099
        Number of ports: 2
        Firmware version: 2.30.8000
        Hardware version: 0
        Node GUID: 0x0002c90300f81030
        System image GUID: 0x0002c90300f81033
        Port 1:
                State: Active
                Physical state: LinkUp
                Rate: 40
                Base lid: 1
                LMC: 0
                SM lid: 1
                Capability mask: 0x0251486a
                Port GUID: 0x0002c90300f81031
                Link layer: InfiniBand
        Port 2:
                State: Down
                Physical state: Polling
                Rate: 10
                Base lid: 0
                LMC: 0
                SM lid: 0
                Capability mask: 0x02514868
                Port GUID: 0x0002c90300f81032
                Link layer: InfiniBand