> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Edward Jaffe
> 
> [ snip ]
> 
> Hmmm. When a data set is migrated, the VTOC entry is removed. 
> But, the catalog entry is still there (though the volume ID 
> is changed to MIGRAT).
> 
> Can't IDCAMS tell from the catalog whether the migrated data 
> set is VSAM or not? And, if VSAM, what kind of VSAM data set it is??

Apparently not.  Here's a LISTCAT of a migrated VSAM dataset:

NONVSAM ------- TECH.CICSTECH.DFHWSBTS
     IN-CAT --- CATALOG.SC02.TECH     
     HISTORY                          
       DATASET-OWNER-----(NULL)     CREATION--------2007.168

       RELEASE----------------2     EXPIRATION------0000.000

       ACCOUNT-INFO-----------------------------------(NULL)

     SMSDATA

       STORAGECLASS -----SCDEVE     MANAGEMENTCLASS---MCDEVE

       DATACLASS --------(NULL)     LBACKUP ---XXXX.XXX.XXXX

     VOLUMES

       VOLSER------------MIGRAT     DEVTYPE------X'78048083'
FSEQN------------------0 
     ASSOCIATIONS--------(NULL)

     ATTRIBUTES

***  

Note the NONVSAM indication on the first line.

Same dataset after HRECALL:

CLUSTER ------- TECH.CICSTECH.DFHWSBTS
     IN-CAT --- CATALOG.SC02.TECH     
     HISTORY                          
      DATASET-OWNER-----(NULL)     CREATION--------2007.163

      RELEASE----------------2     EXPIRATION------0000.000

    SMSDATA

      STORAGECLASS -----SCDEVE     MANAGEMENTCLASS---MCDEVE

      DATACLASS --------(NULL)     LBACKUP ---0000.000.0000

      BWO STATUS------00000000     BWO TIMESTAMP---00000 00:00:00.0

      BWO---------------(NULL)

    RLSDATA

      LOG ------------------UNDO   RECOVERY REQUIRED --(NO)     FRLOG
------------(NULL)
      VSAM QUIESCED -------(NO)    RLS IN USE ---------(NO)

      LOGSTREAMID-----------------------------(NULL)

      RECOVERY TIMESTAMP LOCAL-----X'0000000000000000'

      RECOVERY TIMESTAMP GMT-------X'0000000000000000'

    PROTECTION-PSWD-----(NULL)     RACF----------------(NO)

    ASSOCIATIONS

      DATA-----TECH.CICSTECH.DFHWSBTS.DATA

      INDEX----TECH.CICSTECH.DFHWSBTS.INDEX    
[ remainder snipped ]

Note this time it's a CLUSTER.

    -jc-

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