SYNTAX
bigstart [-d] action [id]
- -d
Lists the execution order of the services for the specified action command. - action
Performs whatever action is specified. Values are startup, shutdown, active, standby, status, reinit and restart. - id
The specific service on which the specified action would be acted upon. That is, for example, bigstart shutdown named will shutdown the service named.
ACTIONS
- startup
The target program commences. Bigstart startup is called from /etc/rc before rc.local is executed. - shutdown
The target program should shut down gracefully. - active
The target program takes any action necessary whenits host BIG-IP becomes the active unit. Bigstart active is called when the BIG-IP becomes the active
BIG-IP. - standby
The target program takes any action necessary when its host BIG-IP becomes the standby unit. - reinit
The target program initializes itself from its configuration data. - restart
The target program is to be restarted. Typically this means the program will be stopped then started. - status
The target program responds by providing some status information.
SCRIPT AND ACTION DIRECTORIES
The scripts for each of the services are in the /etc/bigstart/scripts directory.
Each of the actions have their own individual action directories in /etc/bigstart/action. Files in the action directories are actually symbolic links pointing to the actual scripts in the /etc/bigstart/scripts directory.
SYMBOLIC LINK FORMAT
Each symbolic link in the action directories follow this naming convention:
SNNString
NN - two digit number that determines the execution order of the services.
String - name of the service
The contents of, say, /etc/bigstart/startup will correspond to the output of the command bigstart -d startup.
CASE STUDY: PREVENT A SERVICE FROM RUNNING ON STARTUP
Scenario: In our setup, the name service named of the BIG-IP is not being used. Hence, it was decided to be not started during device startup.
Procedure:
- Verify the status of the named service:
bigip:# bigstart status named
bigstart: status named
status named: (pid=1130) is running
bigip:# - Shutdown the service:
bigip:# bigstart shutdown named
bigip:# - Remove the named symbolic link in the startup action directory:
bigip:# cd /etc/bigstart/startup
bigip:/etc/bigstart/startup# ls *named*
S10named
bigip:/etc/bigstart/startup# rm S10named
remove S10named? y
bigip:/etc/bigstart/startup#
Verification
- Verify that the service is not in the execution order for the startup action.
bigip:# bigstart -d startup
...
<output omitted>
... - Verify status of the current running status of the service:
bigip:# bigstart status named
bigstart: status named
status named: is not running
bigip:#
