Use the MODIFY LLA command to cause the library lookaside (LLA)
program to build a new copy of all or part of the library directory
indexes and then replace the old copy with this new copy.
F LLA,{REFRESH }
{UPDATE=xx}
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The parameters are:
- LLA
- The name of the job.
- REFRESH
- Causes LLA to build a new copy of all the library directory
indexes for the complete set of data sets currently managed by LLA.
This procedure is necessary when an installation makes changes to
the LLA directories.
- UPDATE=xx
- Causes LLA to rebuild a specified part of the directory. xx identifies
the CSVLLAxx parmlib member or the data set pointed to by the IEFPARM
DD statement in the START LLA procedure. CSVLLAxx contains libraries
LLA is to manage.
Note: - Use the MODIFY LLA command rather than stopping and restarting
LLA to change the library directory indexes; system performance is
slowed anytime LLA is stopped.
- The MODIFY LLA command does not reload (or refresh) modules that
are already loaded, for example, modules in long-running or never-ending
tasks. The refreshed version does not get picked up unless the module
is loaded after the MODIFY LLA completes. To refresh such a module,
the system programmer has two options:
- If the module has no co-requisite requirement in LPALIB, you can
use the subsystem’s command to replace the module, or stop and
then restart the long-running or never-ending task.
- Re-IPL the system with the CLPA option.