The NCHANNELS parameter specifies the maximum number of channels configured in the system. There must be a channel entry for every type of channel: real, virtual and NONEX. In addition, there must be at least one virtual channel configured in the system.
Note:
The default value of NCHANNELS is 480 and the default value of NCALLS is 400 as of December 2001.
To check the current value of NCHANNELS, execute the following command:
/etc/conf/bin/idtune -g NCHANNELS
To check the the current value of NCALLS, execute the following command:
/etc/conf/bin/idtune -g NCALLS
To change the values of NCHANNELS and NCALLS to the recommended defaults, do the following:
/etc/conf/bin/idtune -g NCHANNELS 448
/etc/conf/bin/idtune -g NCALLS 400
stop_vs
/etc/conf/bin/idbuild -B