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D.5. Debugging and Testing Services and Resource Ordering
You can debug and test services and resource ordering with the
rg_test utility. rg_test is a command-line utility that is run from a shell or a terminal (it is not available in Conga or system-config-cluster.) Table D.2, “rg_test Utility Summary” summarizes the actions and syntax for the rg_test utility.
| Action | Syntax |
|---|---|
Display the resource rules that rg_test understands. | rg_test rules |
| Test a configuration (and /usr/share/cluster) for errors or redundant resource agents. | rg_test test /etc/cluster/cluster.conf |
| Display the start and stop ordering of a service. |
Display start order:
rg_test noop /etc/cluster/cluster.conf start service
Display stop order:
rg_test noop /etc/cluster/cluster.conf stop service
|
| Explicitly start or stop a service. | Important
Only do this on one node, and always disable the service in rgmanager first.
Start a service:
rg_test test /etc/cluster/cluster.conf start service
Stop a service:
rg_test test /etc/cluster/cluster.conf stop service
|
| Calculate and display the resource tree delta between two cluster.conf files. | rg_test delta
For example:
rg_test delta /etc/cluster/cluster.conf.bak /etc/cluster/cluster.conf
|
