Displaying the status of ARM-registered address spaces

WebSphere® Application Server for the z/OS® operating system 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.

About this task

ARM is used to restart all address spaces that are registered with ARM if they go down. Address spaces that are canceled are not restarted even if they are registered.

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 (ARM) 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:

Procedure

  1. Initialize all servers.
  2. Display all registered address spaces (including the address spaces of server instances). Issue the following command:
    d xcf,armstatus,detail



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Last updated: Oct 22, 2010 2:27:32 AM CDT
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