Brocade Fabric OS Message Reference - Supporting Fabric OS v5.3.0 (53-1000437-01, June 2007)

Fabric OS Message Reference 99
53-1000437-01
FABR-1029
13
FABR-1029
Message <timestamp>, [FABR-1029], <sequence-number>,, INFO, <system-name>, Port <port
number> negotiated <flow control mode description> (mode = <received flow control
mode>).
Probable Cause Indicates that a different flow control mode, as described in the message, is negotiated with the
port at the other end of the link. The flow control is a mechanism of throttling the transmitter port
to avoid buffer overrun at the receiving port. There are three types of flow control modes:
• VC_RDY mode: Virtual-channel flow control mode. This is a proprietary protocol.
• R_RDY mode: Receiver-ready flow control mode. This is the Fibre Channel standard protocol,
that uses R_RDY primitive for flow control.
• DUAL_CR mode: Dual-credit flow control mode. In both of the previous modes, the buffer
credits are fixed, based on the port configuration information. In this mode, the buffer credits
are negotiated as part of exchange link parameter (ELP) exchange. This mode also uses the
R_RDY primitive for flow control.
Recommended
Action
No action is required.
Severity INFO
FABR-1030
Message <timestamp>, [FABR-1030], <sequence-number>,, INFO, <system-name>, fabric: Domain
<new domain ID> (was <old domain ID>).
Probable Cause Indicates that the domain ID has changed as specified.
Recommended
Action
No action is required.
Severity INFO
FABR-1031
Message <timestamp>, [FABR-1031], <sequence-number>, FFDC, WARNING, <system-name>,
Maximum number of retries sending ILS from port
<port number> exceeded.
Probable Cause Indicates that fabric exhausted the maximum number of retries sending internal link service (ILS)
to the iswitchd demon on the specified E_port.
Recommended
Action
Run the top command to see if iswitchd is extremely busy or if another process is using excessive
CPU resources.
Severity WARNING