Produces full help text.
Specifies the HFI, numbered 1..n. Using 0 specifies that the -p port port is a system-wide port number. (Default is 0.)
Specifies the port, numbered 1..n. Using 0 specifies the first active port. (Default is 0.)
Specifies the text describing the reason hosts are being disabled. reason is saved in the reason field of the output file.
Information about the links disabled is written to a CSV file. By default, this file is named /opa/disabled:hfi:port.csv where the hfi:port part of the file name is replaced by the HFI number and the port number being operated on (such as 1:1 or 2:1). This CSV file can be used as input to opaenableports.
The list is of the form: NodeGUID;PortNum;NodeType;NodeDesc;NodeGUID; PortNum;NodeType;NodeDesc;Reason For each listed link, the switch port closer to this is the one that has been disabled.