IMS input

Products

• MICS Resource Management

Issue/Introduction

Which file from the IMS exit would be the input to LDESA?

//*************************************************************** 
//** SYSTEM LOG DATASETS OUTPUT/TP34S ** 
//*************************************************************** 
//DFSSLOGP DD DSN=SIMSV2.SLDSP.COR2.D19087.T2051560.V08, 
// LABEL=RETPD=07,VOL=(,,,99), 
// DISP=(,CATLG,CATLG),UNIT=(TP34S,,DEFER), 
// DCB=(BLKSIZE=32760,BUFNO=20,DEN=4) 
//DFSSLOGS DD DSN=SIMSV2.SLDSS.COR2.D19087.T2051560.V08, 
// LABEL=RETPD=07,VOL=(,,,99), 
// DISP=(,CATLG,CATLG),UNIT=(TP34S,,DEFER), 
// DCB=(BLKSIZE=32760,BUFNO=20,DEN=4) 
//*************************************************************** 
//** RECOVERY LOG DATASET OUTPUT/DASD ** 
//*************************************************************** 
//RLDSDD1 DD DSN=SIMSV2.RLDSP.COR2.D19087.T2051560.V08, 
// UNIT=SYSDA,DISP=(,CATLG,CATLG), 
// [email protected], 
// DCB=(BUFNO=20,BLKSIZE=22528)
 

Environment

Release: 14.1
Component: MICS

Resolution

DFSSLOGP DD is for primary output SLDS dataset and DFSSLOGS is for secondary SLDS output dataset. 

The purpose of the secondary output SLDS is that it is used for dual archiving.

So the answer is you can use one of these two, primary or secondary, because they should be identical.

Found this informaiton at the IBM site:
https://www.ibm.com/support/knowledgecenter/en/SSEPH2_15.1.0/com.ibm.ims15.doc.sur/ims_logarchive.htm


DFSSLOGP DD (for primary output SLDS)

DFSSLOGS DD (for secondary output SLDS)

Defines the SLDS used for output. Its format will depend on the device type used. If the SLDS is on DASD, you must allocate sufficient space to contain the log being archived. The SLDS block size can be specified and can be different from the input data set block size. If not specified, the block size of the input data set is used. The secondary SLDS is optional and specifies dual archiving. If the input is a batch SLDS and the Log Archive utility is run with DBRC present, dual output can be created only if dual SLDS records are already known to DBRC.

If dual SLDSs are being created, they can have different block sizes. However, if FEOV is specified, it is ignored unless the block size of both data sets are equal and both are allocated to tape. If tape is specified, it must have a standard label. You can specify 2 through 99 write buffers.

 

Additional Information

DFSSLOGP DD (for primary output SLDS) 
DFSSLOGS DD (for secondary output SLDS)  


We recommend using the Primary one.