Monitoring The Infiniband Fabric; Checking Network Health; Testing The Extended Network Connectivity - Oracle Exalytics In-Memory Machine Owner's Manual

7.5 Monitoring the InfiniBand Fabric

You can monitor many aspects of the InfiniBand fabric by running InfiniBand
commands on the Sun Datacenter InfiniBand Switch 36, which is included in the
Oracle Exadata Database Machine.
For more information about these commands, see the
Switch 36 Command

7.6 Checking Network Health

After establishing InfiniBand network connectivity, you can verify the status of the
basic InfiniBand network connectivity with
command on the Exalytics machine.
The
ibstat
# ibstat
CA 'mlx4_0'
The physical state of connected ports is shown as

7.7 Testing the Extended Network Connectivity

After verifying the basic InfiniBand network connectivity, you can run the
ibswitches
Reference.
command displays the basic status, as in the following example:
CA type: MT26428
Number of ports: 2
Firmware version: 2.7.8130
Hardware version: b0
Node GUID: 0x0021280001cf577e
System image GUID: 0x0021280001cf5781
Port 1:
State: Active
Physical state: LinkUp
Rate: 40
Base lid: 106
LMC: 0
SM lid: 54
Capability mask: 0x02510868
Port GUID: 0x0021280001cf577f
Link layer: IB
Port 2:
State: Active
Physical state: LinkUp
Rate: 40
Base lid: 95
LMC: 0
SM lid: 54
Capability mask: 0x02510868
Port GUID: 0x0021280001cf5780
Link layer: IB
, and commands on the switch CLI.
ibnetdiscover
Monitoring the InfiniBand Fabric
Sun Datacenter InfiniBand
, by using the
rds-ping rds-info -l
.
LinkUp
Chapter 7
ibstat
,
ibhosts
7-5