VCS config files

/etc/VRTSvcs/conf/config/main.cf
config file for vcs, usually changed using hagui or haclus command. 
Once cluster is live, config is in memory, and this file is only backup. 
Changes to it will be ignored if cluster is up. Cluster start does read this file, 
so easy manual chage of config if cluster is down.
/etc/init.d/vx*
vxvm-relocover
 starts several deamon, which also take argument and [...]

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Veritas Cluster Config

gabconfig -a : display link config info.  a = ??gab port, ie loaded ok by kernel.    
b = iofencing port.  h = cluster port. 
GAB Port Memberships
===============================================================
Port a gen   1ea001 membership 01
Port b gen   1ea00f membership 01
Port h gen   1ea012 membership 01
vxfenadm -i  /dev/rdsk/emcpower0c
  Display serial number of the device (LUN, disk)
vxfenadm -g  /dev/rdsk/emcpower0c
  Show IO Fencing info
graceful shutdown [...]

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Veritas Cluster Server (VCS) Cheat sheet

Creating Service Group
# haconf -makerw àTo open Cluster configuration
#hagrp -add <service_group_name> àTo create service group
#hagrp -modify [...]

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