To start LLT

1. On each node, run the following command to start LLT:

   For RHEL 7, SLES 12, and supported RHEL distributions:

   # systemctl start llt

   For earlier versions of RHEL, SLES, and supported RHEL distributions:

   # /etc/init.d/llt start

   If LLT is configured correctly on each node, the console output resembles:

   Loading LLT Driver...
   Starting LLT: 
   LLT: loading module...
   Loaded   kernel_version on kernel kernel_version
   LLT: configuring module
   where, kernel_version is the kernel version 
   of the Linux operating system

2. On each node, run the following command to verify that LLT is running:

   # /sbin/lltconfig
   LLT is running

To start GAB

1. On each node, run the following command to start GAB:

   For RHEL 7, SLES 12, and supported RHEL distributions:

   # systemctl start gab

   For earlier versions of RHEL, SLES, and supported RHEL distributions:

   # /etc/init.d/gab start

   If GAB is configured correctly on each node, the console output resembles:

   GAB: Starting
   GAB: Starting Done

2. On each node, run the following command to verify that GAB is running:

   # /sbin/gabconfig -a
   GAB Port Memberships
   ===================================
   Port a gen a36e0003 membership 01

To start VCS

• On each node, type:

  For RHEL 7, SLES 12, and supported RHEL distributions:

  # systemctl start vcs

  For earlier versions of RHEL, SLES, and supported RHEL distributions:

  # /etc/init.d/vcs start

  If VCS is configured correctly on each node, the engine log file at /var/VRTSvcs/log/engine_A.log resembles:

  VCS NOTICE V-16-1-10619 'HAD' starting on: sys1
  VCS NOTICE V-16-1-10620 Waiting for local cluster configuration 
  status
  VCS NOTICE V-16-1-10625 Local cluster configuration valid
  VCS NOTICE V-16-1-11034 Registering for cluster membership
  VCS NOTICE V-16-1-11035 Waiting for cluster membership
  GAB INFO V-15-1-20036 Port h gen   265f06 membership ;1
  GAB INFO V-15-1-20038 Port h gen   265f06 k_jeopardy 0
  GAB INFO V-15-1-20040 Port h gen   265f06    visible 0
  VCS INFO V-16-1-10077 Received new cluster membership
  VCS NOTICE V-16-1-10082 System (sys1) is in Regular Membership 
  - Membership: 0x2
  VCS NOTICE V-16-1-10073 Building from local configuration
  VCS NOTICE V-16-1-10066 Entering RUNNING state
  GAB INFO V-15-1-20036 Port h gen   265f07 membership 01
  VCS INFO V-16-1-10077 Received new cluster membership
  VCS NOTICE V-16-1-10082 System (sys2) is in Regular Membership 
  - Membership: 0x3