On 2/24/2015 7:33 AM, Atul Yadav wrote:
> Hi Rosenstock,
> 
> Thanks for responding.
> 
> As per our requirement we want to achieve IB bonding for  HCA and Switch
> level fail-over.
> 
> bond0 (Active- Passive)
> Please provide opensm configuration parameter

You need to do something along the following lines:

First, create 2 config files (say opensm-qib0.conf and opensm-qib1.conf)
with the following variables changed as follows:

opensm-qib0.conf:
# The port GUID on which the OpenSM is running
guid 0x00117500006f5f4c

# Log file to be used
log_file /var/log/opensm-qib0/opensm.log

opensm-qib1.conf:
# The port GUID on which the OpenSM is running
guid 0x00117500006f5f4a

# Log file to be used
log_file /var/log/opensm-qib1/opensm.log


then make sure that the following directories exist:
/var/cache/opensm-qib0
/var/log/opensm-qib0
/var/cache/opensm-qib1
/var/log/opensm-qib1


and then:
export OSM_CACHE_DIR=/var/cache/opensm-qib0
export OSM_TMP_DIR=/var/log/opensm-qib0
opensm -F opensm-qib0.conf &

export OSM_CACHE_DIR=/var/cache/opensm-qib1
export OSM_TMP_DIR=/var/log/opensm-qib1
opensm -F opensm-qib1.conf &


A similar alternative configuration approach is described in:
https://www.mail-archive.com/linux-rdma@vger.kernel.org/msg03557.html

-- Hal

> 
> [root@SRDCB0970RTGMS opensm]# ibstat
> CA 'qib0'
>         CA type: InfiniPath_QLE7342
>         Number of ports: 2
>         Firmware version:
>         Hardware version: 2
>         Node GUID: 0x00117500006f5f4c
>         System image GUID: 0x00117500006f5f4c
>         Port 1:
>                 State: Active
>                 Physical state: LinkUp
>                 Rate: 40
>                 Base lid: 1
>                 LMC: 0
>                 SM lid: 1
>                 Capability mask: 0x0761086a
>                 Port GUID: 0x00117500006f5f4c
>                 Link layer: InfiniBand
>         Port 2:
>                 State: Down
>                 Physical state: Disabled
>                 Rate: 10
>                 Base lid: 65535
>                 LMC: 0
>                 SM lid: 65535
>                 Capability mask: 0x07610868
>                 Port GUID: 0x00117500006f5f4d
>                 Link layer: InfiniBand
> CA 'qib1'
>         CA type: InfiniPath_QLE7342
>         Number of ports: 2
>         Firmware version:
>         Hardware version: 2
>         Node GUID: 0x00117500006f5f4a
>         System image GUID: 0x00117500006f5f4c
>         Port 1:
>                 State: Initializing
>                 Physical state: LinkUp
>                 Rate: 40
>                 Base lid: 65535
>                 LMC: 0
>                 SM lid: 65535
>                 Capability mask: 0x07610868
>                 Port GUID: 0x00117500006f5f4a
>                 Link layer: InfiniBand
>         Port 2:
>                 State: Down
>                 Physical state: Disabled
>                 Rate: 10
>                 Base lid: 65535
>                 LMC: 0
>                 SM lid: 65535
>                 Capability mask: 0x07610868
>                 Port GUID: 0x00117500006f5f4b
>                 Link layer: InfiniBand
> 
> [root@SRDCB0970RTGMS opensm]#
> 
> [root@SRDCB0970RTGMS ~]# ibstat -p
> 0x00117500006f5f4c
> 0x00117500006f5f4d
> 0x00117500006f5f4a
> 
> 0x00117500006f5f4b 
> 
> 
> [root@SRDCB0970RTGMS ~]# cat /etc/sysconfig/network-scripts/ifcfg-bond0
> DEVICE=bond0
> IPADDR=192.168.1.1
> NETMASK=255.255.255.0
> BROADCAST=192.168.1.255
> ONBOOT=yes
> BOOTPROTO=none
> USERCTL=no
> MTU=65520
> BONDING_OPTS=" mode=1 primary=ib0 updelay=0 downdelay=0"
> [root@SRDCB0970RTGMS ~]# cat /etc/sysconfig/network-scripts/ifcfg-ib*
> DEVICE=ib0
> USERCTL=no
> ONBOOT=yes
> MASTER=bond0
> SLAVE=yes
> BOOTPROTO=none
> TYPE=Infiniband
> PRIMARY=yes
> DEVICE=ib1
> USERCTL=no
> ONBOOT=yes
> MASTER=bond0
> SLAVE=yes
> BOOTPROTO=none
> TYPE=Infiniband
> DEVICE=ib2
> USERCTL=no
> ONBOOT=yes
> MASTER=bond0
> SLAVE=yes
> BOOTPROTO=none
> TYPE=Infiniband
> DEVICE=ib3
> USERCTL=no
> ONBOOT=yes
> MASTER=bond0
> SLAVE=yes
> BOOTPROTO=none
> TYPE=Infiniband
> [root@SRDCB0970RTGMS ~]#
> 
> 
> 
> Thank You
> 
> Atul Yadav
> 
> 
> 
>  
> 
> On Tue, Feb 24, 2015 at 5:55 PM, Hal Rosenstock <h...@dev.mellanox.co.il
> <mailto:h...@dev.mellanox.co.il>> wrote:
> 
>     On 2/24/2015 5:19 AM, Atul Yadav wrote:
>     > Hi Team,
>     >
>     > We are trying to setup the HCA and Switch level failover.
>     >
>     > Operating System:- Centos 6.5
>     >
>     > Please guide us
> 
>     To run OpenSM on multiple ports/HCAs on the same machine for the same
>     subnet, multiple instances of OpenSM need to be invoked one per port/HCA
>     and need separate but similar configuration.
> 
>     -- Hal
> 
>     >
>     > Thank You
>     >
>     > Atul Yadav
>     >
>     >
>     >
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> 
> 

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