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2opashowmc(8)           Master map: IFSFFCLIRG (Man Page)          opashowmc(8)
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NAME

7       opashowmc
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11       (Linux)  Displays  the  Intel(R) Omni-Path Multicast groups created for
12       the fabric along with the  Intel(R)  Omni-Path  Host  Fabric  Interface
13       (HFI)  ports  which  are a member of each multicast group. This command
14       can be helpful when attempting to analyze or debug  Intel(R)  Omni-Path
15       multicast usage by applications or ULPs such as IPoIB.
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Syntax

18       opashowmc [-v] [-t portsfile] [-p ports]
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Options

21       --help    Produces full help text.
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24       -v        Returns verbose output and shows name of each member.
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27       -t portsfile
28                 Specifies  the  file  with  list  of  local HFI ports used to
29                 access fabric(s)  for  analysis.  Default  is  /etc/opa/ports
30                 file.
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33       -p ports  Specifies  the  list  of  local HFI ports used to access fab‐
34                 ric(s) for analysis.
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37                 Default is first active port. The first HFI in the system  is
38                 1. The first port on an HFI is 1. Uses the format hfi:port,
39                 for example:
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43                 0:0       First active port in system.
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49                 0:y       Port y within system.
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55                 x:0       First active port on HFI x.
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61                 x:y       HFI x, port y.
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Examples

66       opashowmc
67       opashowmc -p '1:1 1:2 2:1 2:2'
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Environment Variables

70       The following environment variables are also used by this command:
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72       PORTS     List of ports, used in absence of -t and -p.
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75       PORTS_FILE
76                 File containing list of ports, used in absence of -t and -p.
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80Copyright(C) 2015-2018         Intel Corporation                  opashowmc(8)