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CAT6201W

VSN=volser BASE CHAIN INVALIDLY CHAINED TO VSN=volser

Reason:

TLMSVCVS: The base volume (volume sequence one) of a multivolume chain is chained to another volume.

Action:

Dump/restore the Volume Master File. Perform one of the following manual actions if the problem recurs.

• Break volume chains (UPV volser,CHV=BRKCHN). This breaks all volume chains associated with the problem volume, resulting in an initialized volume. Volume sequence, volume count, file sequence and file count will be zero. Other fields will be blank.
• Establish a single volume data set to break volume chains associated with the problem volume (UPV volser, EXPDT=60001). Volume sequence and count, and file sequence and count will be 1. Other fields remain the same.
• Reestablish volume and data set chains (UPV & CHD). All data related fields should be updated if needed.

The following is an example:

A multivolume data set chain is invalid.

   VSN=000001  VOLSEQ=1 VOLCNT=2 FILESEQ=1 FILECNT=1
   VSN=000002  VOLSEQ=2 VOLCNT=3 FILESEQ=1 FILECNT=1
   VSN=000003  VOLSEQ=3 VOLCNT=3 FILESEQ=1 FILECNT=1
   VSN 000001 IS CHAINED TO 000010.(INVALID CHAIN)
   VSN 000002 IS CHAINED TO 000002 (BASE VOLUME=000001)
   VSN 000003 IS CHAINED TO 000003 (BASE VOLUME=000001)

The following is one solution to the problem:

   UPV 000001,CHV=BRKCHN (CLEAR AND BREAK CHAINS)
   UPV 000002,EXPDT=60001 (SINGLE VOLUME DATA SET)
   UPV 000003,EXPDT=60001 (SINGLE VOLUME DATA SET)
   UPD 000001,DSN=PAYROLL.MASTER.SYSTEM,CDATE=81100
   UPD 000001,CTIME=15.30.00,CJOB=PAY,CSTEP=PAY01
   UPV 000001,CHV=000002,VOLSEQ=2 (CHAIN THE VOLUMES)
   UPV 000010,CHV=000002,VOLSEQ=3 (CHAIN THE VOLUMES)
   UPV 0001E0,EXPDT=60001 (SINGLE VOLUME DATA SET)

The above restored the three (3) volume data sets and released one volume (000010) from volume chains.