TUNE INDEX

File assignments for the batch command facility (z/VSE)

//DLBL      userdb,'user.userdb',,DA
//EXTENT    SYSnnn,nnnnnn
//ASSIGN    SYSnnn,DISK,VOL=vvvvvv,SHR

userdb	Filename of the user file
user.userdb	File-ID of the user file

Central version

To execute TUNE INDEX under the central version:

Remove the TLBL and ASSGN statements for the tape journal file from the previous JCL.

Insert the following statement:

// DLBL SYSCTL,file-id,0,SD
// EXTENT SYSnnn,vvvvvv,1,0,1,1
// ASSGN SYSnnn,DISK,VOL=vvvvvv,SHR

file-id	Data set name of the sysctl file
SYSnnn	Logical unit of the volume for which the extent is effective
vvvvvv	Volume serial number