Oops.. forgot about the 32m. Rob Schramm
On Mon, Jun 20, 2016, 1:14 PM Tom Marchant < [email protected]> wrote: > On Mon, 20 Jun 2016 01:16:42 +0000, Rob Schramm wrote: > > >Any region size in excess of 16m gives you that amount above the line plus > >everything that is available below the line. REGION=64M is 64M above and > >(assuming you have a 10M below the line YBTLRMV) gives you the 10M below > as > >well. Been that way for as long as I remember. This also assumes there > are > >no exits messing with the REGION. > > Not quite. From the JCL Reference: > > <quote> > If your installation does not change the IBM-supplied default limits in > the IEALIMIT > or IEFUSI exit routine modules, then specifying various values for the > region size > has the following results: > > ... > > A value greater than 16,384K or 16M and less than or equal to 32,768K or > 32M -- > gives the job step all the storage available below 16 megabytes. The > resulting size > of the region below 16 megabytes depends on system options and what system > software is installed. The extended region size is the default value of 32 > megabytes. > > A value greater than 32,768K or 32M and less than or equal to 2,096,128K > or 2047M > -- gives the job step all the storage available below 16 megabytes. The > resulting > size of the region below 16 megabytes depends on system options and what > system > software is installed. The extended region size is the specified value. If > the region > size specified is not available above 16 megabytes, the job step receives > whatever > storage is available above 16 megabytes, up to the requested amount, and > the > resulting size of the region above 16 megabytes depends on system options > and > what system software is installed. > </quote> > > -- > Tom Marchant > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > -- Rob Schramm The Art of Mainframe, Inc ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
