Starting the library lookaside (LLA) address space
Use the START LLA command to start the LLA address space.
S LLA[,SUB=MSTR][,REUSASID=YES][,LLA=xx]
The parameters are:
LLA
Invokes the LLA procedure and creates the LLA address space.
The
START LLA command is initially issued by the system from the logical
parmlib member IEACMD00. Use this command if LLA stops, either because
of an error or as a result of a STOP LLA command.
SUB=MSTR
Indicates that the master subsystem will process
the task. If you omit this parameter, the system issues message CSV209I
indicating that the request to start LLA is ended and the system re-issues
the command with SUB=MSTR.
REUSASID=YES
Indicates that a reusable ASID should be assigned to the LLA
address space.
LLA=xx
Indicates which CSVLLAnn parmlib member LLA is to use. If you do not supply a CSVLLAxx member by the
LLA=xx parameter of the LLA procedure on the first starting
of LLA for this IPL, or if you specify a parameter of LLA=NONE, LLA
will, by default, manage only the libraries that are accessed through
the LNKLST concatenation. If you have started LLA successfully with
a CSVLLAxx member and then stop LLA, a subsequent start of
LLA will use that CSVLLAxx member unless you supply another
CSVLLAxx member. If you want to get back to the default settings,
specify LLA=NONE in a subsequent start of LLA.
Note:
System performance is degraded if LLA stops.
LLA provides better performance when VLF services are available,
so it is better (although not necessary) to start VLF before starting
LLA. However, the operation of LLA does not depend upon VLF.
Place the S LLA and S VLF commands in either the IEACMD00 or COMMANDxx
members of the logical parmlib data set.
If F LLA, UPDATE=xx command is done in between start
and stop, the update is not honored by the restarted LLA which is
brought up without specifying LLA=xx.