You use this procedure to activate the IBM®
z/OS® automatic
restart management (ARM) feature on the angel.
Before you begin
To use automatic restart management (ARM) with angel, you must activate the ARM component itself,
which means you must:
- Allocate an ARM couple data set.
- Start the automatic restart management policy.
- Install the latest version of the angel process, regardless of which product it is bundled
with.
If ARM is not active, angel issues an error message to the hardcopy log.
About this task
You are not required to change the ARM policy. However, you need to modify this policy if you
want to create custom restart groups.
This procedure includes steps that can enable the z/OS automatic restart manager on the angel.
Procedure
The angel can use ARM services to restart automatically during unexpected failures. Use these
steps to use the angel with ARM.
-
if the ARM is not started, issue these operator commands to start the ARM policy.
SETXCF COUPLE,TYPE=ARM,PCOUPLE=(dsname,vvvvvv) SETXCF
START,POLICY,TYPE=ARM
where
dsname
- The data set name for the couple data set
vvvvvv
- The volume serial of the volume on which the couple data set resides
-
Update the angel proc.
-
Issue the angel START command with the ARMEL option specified with the
elementName.
START BBGZANGL, ARMEL=<elementName>
You can specify an element name by coding the
ARMEL parameter on the
operator START command to successfully register with ARM services. The ARMEL is 1 - 16 characters
inclusive, and must use the following characters only: A-Z 0-9 # $ @ _
Note: The element name must be
unique on the LPAR. Two angels cannot be registered with an element name that is already in use with
the ARM services.
- Optional:
You can check the status by displaying all registered address spaces (including the address
spaces of server instances). Issue the command
Results
The z/OS automatic
restart manager feature is now active. Any further failures automatically restart the angel. The
angel is unregistered from ARM after a clean shutdown.