Documentation, Support, and Training
Understanding Switch Specifications
Understanding InfiniBand Cabling
Understanding the Installation
Install the Switch in the Rack
Verifying the InfiniBand Fabric
Administrative Command Overview
Monitoring the InfiniBand Fabric
Controlling the InfiniBand Fabric
Perform Comprehensive Diagnostics for the Entire Fabric
Perform Comprehensive Diagnostics for a Route
Determine Changes to the InfiniBand Fabric Topology
Find 1x or SDR or DDR Links in the Fabric
Determine Which Links Are Experiencing Significant Errors
Controlling the Subnet Manager
Set the Subnet Manager Priority
Start the Subnet Manager With the opensmd Daemon
Stop the Subnet Manager With the opensmd Daemon
Understanding Service Procedures
If a port is found to be problematic, you can disable it.
On the management controller, type:
# ibportstate lid port disable
where:
lid is the LID of the node.
port is the port of the node.
For example:
# ibportstate 24 8 disable Initial PortInfo: # Port info: Lid 24 port 8 LinkState:.......................Active PhysLinkState:...................LinkUp LinkWidthSupported:..............1X or 4X LinkWidthEnabled:................1X or 4X LinkWidthActive:.................4X LinkSpeedSupported:..............2.5 Gbps or 5.0 Gbps or 10.0 Gbps LinkSpeedEnabled:................2.5 Gbps or 5.0 Gbps or 10.0 Gbps LinkSpeedActive:.................10.0 Gbps After PortInfo set: # Port info: Lid 24 port 8 LinkState:.......................Down PhysLinkState:...................Disabled #
Switch Reference, ibportstate command