B<rmconn> - Use this command to remove connections from FSP and BPA nodes to HMC nodes.
=head1 SYNOPSIS
B<rmconn> [B<-h>| B<--help>]
B<rmconn> [B<-v>| B<--version>]
B<rmconn> [B<-V>| B<--verbose>] noderange
=head1 DESCRIPTION
This command is used to disconnect FSP and BPA nodes from HMC nodes, according to the connection information defined in ppc talbe in xCAT DB.
Note: If a CEC (FSP node represents) belongs to a frame with a BPA installed, this CEC cannot be disconnected individually. Instead, the whole frame (BPA node represents) should be disconnected.
=head1 OPTIONS
=over 5
=item B<-h|--help>
Display usage message.
=item B<-V|--verbose>
Verbose output.
=back
=head1 RETURN VALUE
0 The command completed successfully.
1 An error has occurred.
=head1 EXAMPLES
=over 3
=item 1.
To disconnect all FSP nodes in node group fsp from their HMC nodes:
