WebSphere Application Server for the z/OS platform ships with all control regions issuing Automatic Restart Management (ARM) registration commands. If your installation enables ARM, you can use ARM to display the status of all ARM-registered address spaces, including the address spaces of server instances.
Each WebSphere Application Server for z/OS controller registers with ARM. If a controller terminates abnormally or the system fails, ARM will try to restart the failing address spaces. In doing this, ARM will ensure that dependent address spaces are grouped together and will start in the appropriate order. In general, the default ARM policy will restart WebSphere Application Server for z/OS in place. If you are using a sysplex, see Automatic restart management for setup guidelines to ensure that no cross-system restarts are performed.
Perform the following steps to use ARM to display the status of ARM registered address spaces (including the address spaces of server instances:
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