smcd-device - Man Page

Name

smcd-device — Print information about SMC-D devices

smcr-device — Print information about SMC-R devices

Synopsis

smcd [ OPTIONS ] device { COMMAND | help }

smcd device [ show ] [ all ]

smcr [ OPTIONS ] device { COMMAND | help }

smcr device [ show ] [ all ] [ netdev NETDEV ] [ ibdev IBDEV ]

Description

The smcd device command displays SMC-D devices and their properties. The smcr device command displays SMC-R devices and their properties.

smcd,smcr device show

inspect the device properties

all (default): List all devices.
netdev NETDEV: SMC-R only: limit the command output to the device with the specified network device name.
ibdev IBDEV: SMC-R only: limit the command output to the device port with the specified RoCE device name.

Output

InfiniBand port of the RoCE device. According to the InfiniBand conventions, the port count starts at 1. Consequently, devices where each port is represented as a separate device will indicate the port as the first port for all ports.

IB-State

State of the RoCE device port.

INACTIVE: The RoCE device port is inactive.
ACTIVE: The RoCE device port is active.

Type

Type of the underlying PCI device.

RoCE_Express: Underlying used device is RoCE Express.
RoCE_Express2: Underlying used device is RoCE Express 2.
ISM: Underlying used device is ISM.

Crit / InUse

Show whether the device is critical i.e. without failover possibility(SMC-R) or whether the device is in use.(SMC-D)

Yes: For SMC-R, there is at least one link group running on the device with state "SINGLE" or locally "ASYMMETRIC" which means one or more link groups without a failover device in case of a link failure. In case of SMC-D, there is at least one link group running on the ISM device.
No: For SMC-R, there is no link group running on the device with state "SINGLE" or locally "ASYMMETRIC" which means the link group(s) have a fallback device in case of a failure. In case of SMC-D, there is no link group running on the ISM device.